Modern Periodic Table Of Elements

CLassification Of Elements In Periodic Table
Hydrogen Alkaline Earth Metals Alkali Metals
Metalloids Non Metals Black Metals Halogens
Transition Metals Noble Gases Lanthanides Series Actinides Series

H ➡ Symbol
1 ➡ Atomic Number

Note: Click on each block in Periodic table to read about given element.
Lan Ser Stand for Lanthnides Series &
Act Ser stands for Actinides series

IA
VIIIA
H
1
IIA
IIIA
IVA
VA
VIA
VIIA
He
2
Li
3
Be
4
B
5
C
6
N
7
O
8
F
9
Ne
10
Na
11
Mg
12
IIIB
IVB
VB
VIB
VIIB
VIIIB
IX
X
IB
IIB
Al
13
Si
14
P
15
S
16
Cl
17
Ar
18
K
19
Ca
20
Sc
21
Ti
22
V
23
Cr
24
Mn
25
Fe
26
Co
27
Ni
28
Cu
29
Zn
30
Ga
31
Ge
32
As
33
Se
34
Br
35
Kr
36
Rb
37
Sr
38
Y
39
Zr
40
Nb
41
Mo
42
Tc
43
Ru
44
Rh
45
Pd
46
Ag
47
Cd
48
In
49
Sn
50
Sb
51
Te
52
I
53
Xe
54
Cs
55
Ba
56
Hf
72
Ta
73
W
74
Re
75
Os
76
Ir
77
Pt
78
Au
79
Hg
80
Tl
81
Pb
82
Bi
83
Po
84
At
85
Rn
86
Fr
87
Ra
88
Rf
104
Db
105
Sg
106
Bh
107
Hs
108
Mt
109
Ds
110
Rg
111
Cn
112
Nh
113
Fl
114
Mc
115
Lv
116
Ts
117
Og
118

Lan

Ser ⇾
La
57
Ce
58
Pr
59
Nd
60
Pm
61
Sm
62
Eu
63
Gd
64
Tb
65
Dy
66
Ho
67
Er
68
Tm
69
Yb
70
Lu
71

Act

Ser ⇾
Ac
89
Th
90
Pa
91
U
92
Np
93
Pu
94
Am
95
Cm
96
Bk
97
Cf
98
Es
99
Fm
100
Md
101
No
102
Lr
103

Understanding the Periodic Table:
In 1869, Mendeleev proposed a periodic law on the basis of physical and chemical properties empirically.  He stated that " The properties of the elements are a periodic function of their atomic weight."In certain cases Mendeleev left gaps, which were modified by Moseley.
In 1913, Henry Moseley discovered the modern periodic table. He proposed a modern periodic law and stated that " The physical and chemical properties of elements are the periodic function of their atomic number."
The periodic table is a tabular arrangement of the chemical elements, organized on the basis of their atomic numbers, electron configurations, and recurring chemical properties. The elements are presented in order of increasing atomic number. The standard long form of the periodic table includes seven periods (horizontal rows) and eight groups (vertical columns).

Groups and Periods:
Groups (Vertical columns):
Elements in the same group have similar chemical properties and the same number of valence electrons. For example, all elements in Group IA (the alkali metals) have one valence electron and are highly reactive.
There are two types of group in the periodic table
  • Sub Group A (IA-VIIIA) referred to as representative elements.
  • Sub Group B  (IB - VIIIB) referred to as transition elements.

Periods (Horizontal rows):
Periods indicate the number of electron shells an element has. As we move from left to right across a period, the number of electrons and protons increases, which generally decreases the atomic radius and increases the electronegativity and ionization energy.

Periods (Horizontal Rows):
  • Period 1 (H ⟶ He),
  • Period 2 (Li ⟶ Ne),
  • Period 3 (Na ⟶ Ar),
  • Period 4 (K ⟶ Kr),
  • Period 5 (Rb ⟶ Xe),
  • Period 6 (Cs ⟶ Rn)
  • Period 7 (Fr ⟶ Og)

Blocks:
The periodic table is divided into blocks that correspond to the type of atomic orbital being filled with valence electrons. These blocks are the s-block, p-block, d-block, and f-block.
  • The s-block elements includes Groups IA and IIA.
  • The p-block elements includes Groups IIIA to VIIIA.
  • The d-block includes all the Sub Group B.
  • The f-block, which is typically shown below the main body of periodic table, includes two horizontal series of fourteen elements in each, generally known as the lanthanides and actinides.

Special Element Groups:
Certain groups of elements have special names.
For example:
  • Group IA elements are known as alkali metals.
  • Group IIA elements are alkaline earth metals.
  • Group VIIA elements are halogens.
  • Group VIII A elements are noble gases. 
  • The transition metals, found in the d-block, are known for their ability to form variable oxidation states and colored compounds.
  • The f-block elements, comprising the lanthanides and actinides, are often referred to as inner transition metals.

ELEMENTS

HYDROGEN

  • Symbol: H
  • Atomic Number: 1
  • Atomic mass: 1.0078 amu
  • Block: s-block element
  • Electronic Configuration: 1s1
  • Position in Periodic Table: Period 1, Group IA
  • Nature: Hydrogen is a unique element in the periodic table due to its properties and characteristics. It is partially resemble with the elements of Group IA (alkali metals), Group IVA (Carbon family)and with Group VIIA (Halogen), but does not resemble completely with any of the groups.
  • Electronic Structure:

HELIUM

  • Symbol: He
  • Atomic Number: 2
  • Atomic mass: 4.002602 u
  • Block: s-block element
  • Position in Periodic Table: Period 1, Group VIII
  • Nature: Noble gas
  • Electronic Configuration: 1s2

LITHIUM

  • Symbol: Li
  • Atomic Number: 3
  • Atomic mass: 6.941 u
  • Block: s-block element
  • Position in Periodic Table: Period 2, Group IA
  • Nature: Alkali Earth Metals
  • Electronic Configuration: 1s2 2s1

BERYLLIUM

  • Symbol: Be
  • Atomic Number: 4
  • Atomic mass: 9.012182 u
  • Block: s-block element
  • Position in Periodic Table: Period 2, Group IIA
  • Nature: Alkaline Earth Metals
  • Electronic Configuration: 1s2 2s2

BORON

  • Symbol: B
  • Atomic Number: 5
  • Atomic mass: 10.811 u
  • Block: p-block element
  • Position in Periodic Table: Period 2, Group IIIA
  • Nature: Metalloids
  • Electronic Configuration: 1s2 2s2 2p1

Carbon

  • Symbol: C
  • Atomic Number: 6
  • Atomic mass: 12.011 u
  • Block: p-block element
  • Position in Periodic Table: Period 2, Group IVA
  • Nature: Non Metals
  • Electronic Configuration: 1s2 2s2 2p2

NITROGEN

  • Symbol: N
  • Atomic Number: 7
  • Atomic mass: 14.0067 u
  • Block: p-block element
  • Position in Periodic Table: Period 2, Group VA
  • Nature: Non Metals
  • Electronic Configuration: 1s2 2s2 2p3

OXYGEN

  • Symbol: O
  • Atomic Number: 8
  • Atomic mass: 15.999 u
  • Block: p-block element
  • Position in Periodic Table: Period 2, Group VIA
  • Nature: Non Metals
  • Electronic Configuration: 1s2 2s2 2p4

FLUORINE

  • Symbol: F
  • Atomic Number: 9
  • Atomic mass: 20.1797 u
  • Block: p-block element
  • Position in Periodic Table: Period 2, Group VIIA
  • Nature: Halogens
  • Electronic Configuration: 1s2 2s2 2p5

NEON

  • Symbol: Ne
  • Atomic Number: 10
  • Atomic mass: 18.998403 u
  • Block: p-block element
  • Position in Periodic Table: Period 2, Group VIII
  • Nature: Noble Gas
  • Electronic Configuration: 1s2 2s2 2p6

SODIUM

  • Symbol: Na
  • Atomic Number: 11
  • Atomic mass: 22.989769 u
  • Block: s-block element
  • Position in Periodic Table: Period 3, Group IA
  • Nature: Alkali Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s1

MAGNESIUM

  • Symbol: Mg
  • Atomic Number: 12
  • Atomic mass: 24.305 u
  • Block: s-block element
  • Position in Periodic Table: Period 3, Group IIA
  • Nature: Alkaline Earth Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2

ALUMINIUN

  • Symbol: Al
  • Atomic Number: 13
  • Atomic mass:  26.981539 u
  • Block: p-block element
  • Position in Periodic Table: Period 3, Group IIIA
  • Nature: Black Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p1

SILICON

  • Symbol: Si
  • Atomic Number: 14
  • Atomic mass: 28.0855 u
  • Block: p-block element
  • Position in Periodic Table: Period 3, Group IVA
  • Nature: Metalloids
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p2

PHOSPHORUS

  • Symbol: P
  • Atomic Number: 15
  • Atomic mass: 30.973762 u
  • Block: p-block element
  • Position in Periodic Table: Period 3, Group VA
  • Nature: Non Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p3

SULPHUR

  • Symbol: S
  • Atomic Number: 16
  • Atomic mass: 32.065 u
  • Block: p-block element
  • Position in Periodic Table: Period 3, Group VIA
  • Nature: Non Metal
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p4

CHLORINE

  • Symbol: Cl
  • Atomic Number: 17
  • Atomic mass: 35.453 u
  • Block: p-block element
  • Position in Periodic Table: Period 3, Group VIIA
  • Nature: Halogens
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p5

ARGON

  • Symbol: Ar
  • Atomic Number: 18
  • Atomic mass: 39.948 u
  • Block: p-block element
  • Position in Periodic Table: Period 3, Group VIII
  • Nature: Noble Gas
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6

POTASSIUM

  • Symbol: K
  • Atomic Number: 19
  • Atomic mass: 39.0983 u
  • Block: s-block element
  • Position in Periodic Table: Period 4, Group IA
  • Nature: Alkali Metal
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 4s1

CALCIUM

  • Symbol: Ca
  • Atomic Number: 20
  • Atomic mass: 40.078 u
  • Block: s-block element
  • Position in Periodic Table: Period 4, Group IIA
  • Nature: Alkaline Earth Metal
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 4s2

SCANDIUM

  • Symbol: Sc
  • Atomic Number: 21
  • Atomic mass: 44.955912 u
  • Block: d-block element
  • Position in Periodic Table: Period 4, Group IIIB
  • Nature: Transition Metal
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d1 4s2

TITANIUM

  • Symbol: Ti
  • Atomic Number: 22
  • Atomic mass: 47.867 u
  • Block: d-block element
  • Position in Periodic Table: Period 4, Group IVB
  • Nature: Transition Metal
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d2 4s2

VANADIUM

  • Symbol: V
  • Atomic Number: 23
  • Atomic mass: 50.9415 u
  • Block: d-block element
  • Position in Periodic Table: Period 4, Group VB
  • Nature: Transition Metal
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d3 4s2

CHROMIUM

  • Symbol: Cr
  • Atomic Number: 24
  • Atomic mass: 51.9961 u
  • Block: d-block element
  • Position in Periodic Table: Period 4, Group VIB
  • Nature: Transition Metal
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d4 4s2

MANGANESE

  • Symbol: Mn
  • Atomic Number: 25
  • Atomic mass: 54.938044 u
  • Block: d-block element
  • Position in Periodic Table: Period 4, Group VIIB
  • Nature: Transition Metal
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d5 4s2

IRON (FERRUM)

  • Symbol: Fe
  • Atomic Number: 26
  • Atomic mass: 55.845 u
  • Block: d-block element
  • Position in Periodic Table: Period 4, Group VIIIB
  • Nature: Transition Metal
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d6 4s2

COBALT

  • Symbol: Co
  • Atomic Number: 27
  • Atomic mass: 58.933195 u
  • Block: d-block element
  • Position in Periodic Table: Period 4, Group VIIIB (By Modern IUPAC Style Group 9)
  • Nature: Transition Metal
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d7 4s2

NICKEL

  • Symbol: Ni
  • Atomic Number: 28
  • Atomic mass: 58.6934 u
  • Block: d-block element
  • Position in Periodic Table: Period 4, Group VIIIB (By Modern IUPAC Style Group 10)
  • Nature: Transition Metal
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d8 4s2 (Or 3d9 4s1)

COPPER (CUPRUM)

  • Symbol: Cu
  • Atomic Number: 29
  • Atomic mass: 63.546 u
  • Block: d-block element
  • Position in Periodic Table: Period 4, Group IB (By Modern IUPAC Style Group 11)
  • Nature: Transition Metal
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s1

ZINC

  • Symbol: Zn
  • Atomic Number: 30
  • Atomic mass: 65.38 u
  • Block: d-block element
  • Position in Periodic Table: Period 4, Group IIB (By Modern IUPAC Style Group 12)
  • Nature: Transition Metal
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2

GALLIUM

  • Symbol: Ga
  • Atomic Number: 31
  • Atomic mass: 69.723 u
  • Block: p-block element
  • Position in Periodic Table: Period 4, Group IIIA
  • Nature: Black Metal
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p1

GERMANIUM

  • Symbol: Ge
  • Atomic Number: 32
  • Atomic mass: 72.64 u
  • Block: p-block element
  • Position in Periodic Table: Period 4, Group IVA
  • Nature: Metalloid
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p2

ARSENIC

  • Symbol: As
  • Atomic Number: 33
  • Atomic mass: 74.9216 u
  • Block: p-block element
  • Position in Periodic Table: Period 4, Group VA
  • Nature: Metalloid
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p3

SELENIUM

  • Symbol: Se
  • Atomic Number: 34
  • Atomic mass: 78.96 u
  • Block: p-block element
  • Position in Periodic Table: Period 4, Group VIA
  • Nature: Non Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p4

BROMINE

  • Symbol: Br
  • Atomic Number: 35
  • Atomic mass: 79.904 u
  • Block: p-block element
  • Position in Periodic Table: Period 4, Group VIIA
  • Nature: Halogens
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p5

KRYPTON

  • Symbol: Kr
  • Atomic Number: 36
  • Atomic mass: 83.798 u
  • Block: p-block element
  • Position in Periodic Table: Period 4, Group VIII
  • Nature: Noble gas
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6

RUBIDIUM

  • Symbol: Rb
  • Atomic Number: 37
  • Atomic mass: 85.4678 u
  • Block: s-block element
  • Position in Periodic Table: Period 5, Group IA
  • Nature: Alkali Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s1

STRONTIUM

  • Symbol: Sr
  • Atomic Number: 38
  • Atomic mass: 87.62 u
  • Block: s-block element
  • Position in Periodic Table: Period 5, Group IIA
  • Nature: Alkaline Earth Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s2

YTTRIUM

  • Symbol: Y
  • Atomic Number: 39
  • Atomic mass: 88.90585 u
  • Block: d-block element
  • Position in Periodic Table: Period 5, Group IIIB
  • Nature: Transition Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d1 5s2

ZIRCONIUM

  • Symbol: Zr
  • Atomic Number: 40
  • Atomic mass: 91.224 u
  • Block: d-block element
  • Position in Periodic Table: Period 5, Group IVB
  • Nature: Transition Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d2 5s2

NIOBIUM

  • Symbol: Nb
  • Atomic Number: 41
  • Atomic mass: 92.90638 u
  • Block: d-block element
  • Position in Periodic Table: Period 5, Group VB
  • Nature: Transition Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d4 5s1

MOLYBDENUM

  • Symbol: Mo
  • Atomic Number: 42
  • Atomic mass: 95.95 u
  • Block: d-block element
  • Position in Periodic Table: Period 5, Group VIB
  • Nature: Transition Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d5 5s1

TECHNETIUM

  • Symbol: Tc
  • Atomic Number: 43
  • Atomic mass: 98 u
  • Block: d-block element
  • Position in Periodic Table: Period 5, Group VIIB
  • Nature: Transition Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d5 5s2

RUTHENIUM

  • Symbol: Ru
  • Atomic Number: 44
  • Atomic mass: 101.07 u
  • Block: d-block element
  • Position in Periodic Table: Period 5, Group VIIIB
  • Nature: Transition Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d7 5s1

RHODIUM

  • Symbol: Rh
  • Atomic Number: 45
  • Atomic mass: 102.9055 u
  • Block: d-block element
  • Position in Periodic Table: Period 5, Group VIIIB (By Modern IUPAC Style Group 9)
  • Nature: Transition Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d8 5s1

PALLADIUM

  • Symbol: Pd
  • Atomic Number: 46
  • Atomic mass: 106.42 u
  • Block: d-block element
  • Position in Periodic Table: Period 5, Group VIIIB (By Modern IUPAC Style Group 10)
  • Nature: Transition Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10

SILVER (ARGENTUM)

  • Symbol: Ag
  • Atomic Number: 47
  • Atomic mass: 107.8682 u
  • Block: d-block element
  • Position in Periodic Table: Period 5, Group IB (By Modern IUPAC Style Group 11)
  • Nature: Transition Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s1

CADMIUM

  • Symbol: Cd
  • Atomic Number: 48
  • Atomic mass: 112.414 u
  • Block: d-block element
  • Position in Periodic Table: Period 5, Group IIB (By Modern IUPAC Style Group 12)
  • Nature: Transition Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2

INDIUM

  • Symbol: In
  • Atomic Number: 49
  • Atomic mass: 114.818 u
  • Block: p-block element
  • Position in Periodic Table: Period 5, Group IIIA
  • Nature: Black Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p1

TIN (STANNUM)

  • Symbol: Sn
  • Atomic Number: 50
  • Atomic mass: 118.71 u
  • Block: p-block element
  • Position in Periodic Table: Period 5, Group IVA
  • Nature: Black Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p2

ANTIMONY (STANNUM)

  • Symbol: Sb
  • Atomic Number: 51
  • Atomic mass: 121.76 u
  • Block: p-block element
  • Position in Periodic Table: Period 5, Group VA
  • Nature: Metalloids
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p3

TELLURIUM

  • Symbol: Te
  • Atomic Number: 52
  • Atomic mass: 127.6 u
  • Block: p-block element
  • Position in Periodic Table: Period 5, Group VIA
  • Nature: Metalloids
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p4

IODINE

  • Symbol: I
  • Atomic Number: 53
  • Atomic mass: 126.90447 u
  • Block: p-block element
  • Position in Periodic Table: Period 5, Group VIIA
  • Nature: Halogens
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p5

XENON

  • Symbol: Xe
  • Atomic Number: 54
  • Atomic mass: 131.293 u
  • Block: p-block element
  • Position in Periodic Table: Period 5, Group VIIIA
  • Nature: Noble Gas
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6

CESIUM

  • Symbol: Cs
  • Atomic Number: 55
  • Atomic mass: 132.90545 u
  • Block: s-block element
  • Position in Periodic Table: Period 6, Group IA
  • Nature: Alkali Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 6s1

Barium

  • Symbol: Ba
  • Atomic Number: 56
  • Atomic mass: 137.327 u
  • Block: s-block element
  • Position in Periodic Table: Period 6, Group IIA
  • Nature: Alkaline Earth Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 6s2

Lanthanum

  • Symbol: La
  • Atomic Number: 57
  • Atomic mass: 138.90547 u
  • Block: f-block element
  • Position in Periodic Table: Period 6, Group -
  • Nature: Lanthanides Series
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 5d1 6s2

CERIUM

  • Symbol: Ce
  • Atomic Number: 58
  • Atomic mass: 140.116 u
  • Block: f-block element
  • Position in Periodic Table: Period 6, Group -
  • Nature: Lanthanides Series
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f1 5s2 5p6 5d1 6s2

PRASEODYMIUM

  • Symbol: Pr
  • Atomic Number: 59
  • Atomic mass: 140.90765 u
  • Block: f-block element
  • Position in Periodic Table: Period 6, Group -
  • Nature: Lanthanides Series
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f3 5s2 5p6 6s2

Neodymium

  • Symbol: Nd
  • Atomic Number: 60
  • Atomic mass: 144.242 u
  • Block: f-block element
  • Position in Periodic Table: Period 6, Group -
  • Nature: Lanthanides Series
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f4 5s2 5p6 6s2

PROMETHIUM

  • Symbol: Pm
  • Atomic Number: 61
  • Atomic mass: 145 u
  • Block: f-block element
  • Position in Periodic Table: Period 6, Group -
  • Nature: Lanthanides Series
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f5 5s2 5p6 6s2

SAMARIUM

  • Symbol: Sm
  • Atomic Number: 62
  • Atomic mass: 150.36 u
  • Block: f-block element
  • Position in Periodic Table: Period 6, Group -
  • Nature: Lanthanides Series
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f6 5s2 5p6 6s2

EUROPIUM

  • Symbol: Eu
  • Atomic Number: 63
  • Atomic mass: 151.964 u
  • Block: f-block element
  • Position in Periodic Table: Period 6, Group -
  • Nature: Lanthanides Series
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f7 5s2 5p6 6s2

GADOLINIUM

  • Symbol: Gd
  • Atomic Number: 64
  • Atomic mass: 157.25 u
  • Block: f-block element
  • Position in Periodic Table: Period 6, Group -
  • Nature: Lanthanides Series (Rare Earth Metals)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f7 5s2 5p6 5d1 6s2

TERBIUM

  • Symbol: Tb
  • Atomic Number: 65
  • Atomic mass: 158.92535 u
  • Block: f-block element
  • Position in Periodic Table: Period 6, Group -
  • Nature: Lanthanides Series (Rare Earth Metals)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f9 5s2 5p6 6s2

DYSPROSIUM

  • Symbol: Dy
  • Atomic Number: 66
  • Atomic mass: 162.5 u
  • Block: f-block element
  • Position in Periodic Table: Period 6, Group -
  • Nature: Lanthanides Series (Rare Earth Element)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f10 5s2 5p6 6s2

HOLMIUM

  • Symbol: Ho
  • Atomic Number: 67
  • Atomic mass: 164.93032 u
  • Block: f-block element
  • Position in Periodic Table: Period 6, Group -
  • Nature: Lanthanides Series (Rare Earth Element)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f11 5s2 5p6 6s2

Erbium

  • Symbol: Er
  • Atomic Number: 68
  • Atomic mass: 167.259 u
  • Block: f-block element
  • Position in Periodic Table: Period 6, Group -
  • Nature: Lanthanides Series (Rare Earth Element)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f12 5s2 5p6 6s2

THULIUM

  • Symbol: Tm
  • Atomic Number: 69
  • Atomic mass: 168.93421 u
  • Block: f-block element
  • Position in Periodic Table: Period 6, Group -
  • Nature: Lanthanides Series (Metal)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f13 5s2 5p6 6s2

YTTERBIUM

  • Symbol: Yb
  • Atomic Number: 70
  • Atomic mass: 173.04 u
  • Block: f-block element
  • Position in Periodic Table: Period 6, Group -
  • Nature: Lanthanides Series (Metal)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 6s2

LUTETIUM

  • Symbol: Lu
  • Atomic Number: 71
  • Atomic mass: 174.967 u
  • Block: d-block element
  • Position in Periodic Table: Period 6, Group IIIB
  • Nature: Lanthanides Series (Rare earth element - Transition Metal)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d1 6s2

HAFNIUM

  • Symbol: Hf
  • Atomic Number: 72
  • Atomic mass: 178.49 u
  • Block: d-block element
  • Position in Periodic Table: Period 6, Group IVB
  • Nature: Transition Metal
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d2 6s2

TANTALUM

  • Symbol: Ta
  • Atomic Number: 73
  • Atomic mass: 180.94788 u
  • Block: d-block element
  • Position in Periodic Table: Period 6, Group VB
  • Nature: Transition Metal
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d3 6s2

WOLFRAM (TUNGSTEN)

  • Symbol: W
  • Atomic Number: 74
  • Atomic mass: 183.84 u
  • Block: d-block element
  • Position in Periodic Table: Period 6, Group VIB
  • Nature: Rare Earth Metal
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d4 6s2

RHENIUM

  • Symbol: Re
  • Atomic Number: 75
  • Atomic mass: 186.207 u
  • Block: d-block element
  • Position in Periodic Table: Period 6, Group VIIB
  • Nature: Transition Metal
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d5 6s2

OSMIUM

  • Symbol: Os
  • Atomic Number: 76
  • Atomic mass: 190.23 u
  • Block: d-block element
  • Position in Periodic Table: Period 6, Group VIIIB
  • Nature: Transition Metal
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d6 6s2

IRIDIUM

  • Symbol: Ir
  • Atomic Number: 77
  • Atomic mass: 192.217 u
  • Block: d-block element
  • Position in Periodic Table: Period 6, Group VIIIB (By Modern IUPAC Style Group 9)
  • Nature: Transition Metal
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d7 6s2

PLATINUM

  • Symbol: Pt
  • Atomic Number: 78
  • Atomic mass: 195.084 u
  • Block: d-block element
  • Position in Periodic Table: Period 6, Group VIIIB (By Modern IUPAC Style Group 10)
  • Nature: Transition Metal
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d9 6s1

AURUM (GOLD)

  • Symbol: Au
  • Atomic Number: 79
  • Atomic mass: 196.96657 u
  • Block: d-block element
  • Position in Periodic Table: Period 6, Group IB (By Modern IUPAC Style Group 11)
  • Nature: Transition Metal (Noble metal)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s1

HYDRARGYRUM (MERCURY)

  • Symbol: Hg
  • Atomic Number: 80
  • Atomic mass: 200.59 u
  • Block: d-block element
  • Position in Periodic Table: Period 6, Group IIB (By Modern IUPAC Style Group 12)
  • Nature: Liquid Metal
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2

THALLIUM

  • Symbol: Tl
  • Atomic Number: 81
  • Atomic mass: 204.3833 u
  • Block: p-block element
  • Position in Periodic Table: Period 6, Group IIIA
  • Nature: Black Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6p1

PLUMBUM (LEAD)

  • Symbol: Pb
  • Atomic Number: 82
  • Atomic mass: 207.2 u
  • Block: p-block element
  • Position in Periodic Table: Period 6, Group IVA
  • Nature: Black Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6p2

BISMUTH

  • Symbol: Bi
  • Atomic Number: 83
  • Atomic mass: 208.9804 u
  • Block: p-block element
  • Position in Periodic Table: Period 6, Group VA
  • Nature: Black Metals (Post transition metal)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6p3

POLONIUM

  • Symbol: Po
  • Atomic Number: 84
  • Atomic mass: 209 u
  • Block: p-block element
  • Position in Periodic Table: Period 6, Group VIA
  • Nature: Metalloid (Radioactive metal)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6p4

ASTATINE

  • Symbol: At
  • Atomic Number: 85
  • Atomic mass: 210 u
  • Block: p-block element
  • Position in Periodic Table: Period 6, Group VIIA
  • Nature: Halogens
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6p5

RADON

  • Symbol: Rn
  • Atomic Number: 86
  • Atomic mass: 222 u
  • Block: p-block element
  • Position in Periodic Table: Period 6, Group VIIIA
  • Nature: Noble Gases
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6p6

FRANCIUM

  • Symbol: Fr
  • Atomic Number: 87
  • Atomic mass: 223 u
  • Block: s-block element
  • Position in Periodic Table: Period 7, Group IA
  • Nature: Alkali Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6p6 7s1

RADIUM

  • Symbol: Ra
  • Atomic Number: 88
  • Atomic mass: 226 u
  • Block: s-block element
  • Position in Periodic Table: Period 7, Group IIA
  • Nature: Alkaline Earth Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6p6 7s2

ACTINIUM

  • Symbol: Ac
  • Atomic Number: 89
  • Atomic mass: 227 u
  • Block: f-block element
  • Position in Periodic Table: Period 7, Group -
  • Nature: Radioactive Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6p6 6d1 7s2

THORIUM

  • Symbol: Th
  • Atomic Number: 90
  • Atomic mass: 232.03806 u
  • Block: f-block element
  • Position in Periodic Table: Period 7, Group -
  • Nature: Radioactive Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6p6 6d2 7s2

PROTACTINIUM

  • Symbol: Pa
  • Atomic Number: 91
  • Atomic mass: 231.03588 u
  • Block: f-block element
  • Position in Periodic Table: Period 7, Group -
  • Nature:Actinides Series (Radioactive Metals)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f2 6s2 6p6 6d1 7s2

URANIUM

  • Symbol: U
  • Atomic Number: 92
  • Atomic mass: 238.02891 u
  • Block: f-block element
  • Position in Periodic Table: Period 7, Group -
  • Nature:Actinides Series (Radioactive Metals)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f3 6s2 6p6 6d1 7s2

NEPTUNIUM

  • Symbol: Np
  • Atomic Number: 93
  • Atomic mass: 237.0482 u
  • Block: f-block element
  • Position in Periodic Table: Period 7, Group -
  • Nature:Actinides Series (Radioactive Metals)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f4 6s2 6p6 6d1 7s2

PLUTONIUM

  • Symbol: Pu
  • Atomic Number: 94
  • Atomic mass: 244 u
  • Block: f-block element
  • Position in Periodic Table: Period 7, Group -
  • Nature:Actinides Series (Radioactive Metals)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f6 6s2 6p6 7s2

AMERICIUM

  • Symbol: Am
  • Atomic Number: 95
  • Atomic mass: 243 u
  • Block: f-block element
  • Position in Periodic Table: Period 7, Group -
  • Nature:Actinides Series (Radioactive Metals)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f7 6s2 6p6 7s2

CURIUM

  • Symbol: Cm
  • Atomic Number: 96
  • Atomic mass: 247 u
  • Block: f-block element
  • Position in Periodic Table: Period 7, Group -
  • Nature:Actinides Series (Transuranic & Radioactive Metals)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f7 6s2 6p6 6d1 7s2

BERKILIUM

  • Symbol: Bk
  • Atomic Number: 97
  • Atomic mass: 247 u
  • Block: f-block element
  • Position in Periodic Table: Period 7, Group -
  • Nature:Actinides Series (Transuranium Element)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f9 6s2 6p6 7s2

CALIFORNIUM

  • Symbol: Cf
  • Atomic Number: 98
  • Atomic mass: 251 u
  • Block: f-block element
  • Position in Periodic Table: Period 7, Group -
  • Nature:Actinides Series (Transuranium Element)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f10 6s2 6p6 7s2

EINSTEINIUM

  • Symbol: Es
  • Atomic Number: 99
  • Atomic mass: 252 u
  • Block: f-block element
  • Position in Periodic Table: Period 7, Group -
  • Nature:Actinides Series (Transuranium Element)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f11 6s2 6p6 7s2

FERMIUM

  • Symbol: Fm
  • Atomic Number: 100
  • Atomic mass: 257 u
  • Block: f-block element
  • Position in Periodic Table: Period 7, Group -
  • Nature:Actinides Series
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f12 6s2 6p6 7s2

NOBELIUM

  • Symbol: No
  • Atomic Number: 102
  • Atomic mass:  259 u
  • Block: f-block element
  • Position in Periodic Table: Period 7, Group -
  • Nature:Actinides Series (Transuranic & Radioactive Element)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 7s2

LAWRENCIUM

  • Symbol: Lr
  • Atomic Number: 103
  • Atomic mass:  262 u
  • Block: d-block element
  • Position in Periodic Table: Period 7, Group - (IIIB)
  • Nature:Actinides Series (Transuranic & Radioactive Metal)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 7s2 7p1

RUTHERFORDIUM

  • Symbol: Rf
  • Atomic Number: 104
  • Atomic mass:  267 u
  • Block: d-block element
  • Position in Periodic Table: Period 7, Group IVB
  • Nature:Transition & Radioactive Element
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d2 7s2

DUBNIUM

  • Symbol: Db
  • Atomic Number: 105
  • Atomic mass:  268 u
  • Block: d-block element
  • Position in Periodic Table: Period 7, Group VB
  • Nature:Transition & Radioactive Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d3 7s2

SEABORGIUM

  • Symbol: Sg
  • Atomic Number: 106
  • Atomic mass:  269 u
  • Block: d-block element
  • Position in Periodic Table: Period 7, Group VIB
  • Nature:Transition & Radioactive Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d4 7s2

BOHRIUM

  • Symbol: Bh
  • Atomic Number: 107
  • Atomic mass: 264 or 270 or 278 u (Unconfirmed)
  • Block: d-block element
  • Position in Periodic Table: Period 7, Group VIIB
  • Nature:Transition & Radioactive Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d5 7s2

HASSIUM

  • Symbol: Hs
  • Atomic Number: 108
  • Atomic mass:  269 or 271 u (Unconfirmed)
  • Block: d-block element
  • Position in Periodic Table: Period 7, Group VIIIB
  • Nature:Transition & Radioactive Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d6 7s2

MEITNERIUM

  • Symbol: Mt
  • Atomic Number: 109
  • Atomic mass:  278 u (282 Unconfirmed)
  • Block: d-block element
  • Position in Periodic Table: Period 7, Group VIIIB (By Modern IUPAC Style Group 9)
  • Nature:Transition & Radioactive Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d7 7s2

DARMSTADTIUM

  • Symbol: Ds
  • Atomic Number: 110
  • Atomic mass:  281 u
  • Block: d-block element
  • Position in Periodic Table: Period 7, Group VIIIB (By Modern IUPAC Style Group 10)
  • Nature:Transition & Radioactive Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d8 7s2

ROENTGENIUM

  • Symbol: Rg
  • Atomic Number: 111
  • Atomic mass:  282 u (286 Unconfirmed)
  • Block: d-block element
  • Position in Periodic Table: Period 7, Group IB (By Modern IUPAC Style Group 11)
  • Nature:Transition & Radioactive Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d9 7s2

COPERNICIUM

  • Symbol: Cn
  • Atomic Number: 112
  • Atomic mass:  285 u
  • Block: d-block element
  • Position in Periodic Table: Period 7, Group IIB (By Modern IUPAC Style Group 12)
  • Nature:Transition & Radioactive Metals
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d10 7s2

NIHONIUM

  • Symbol: Nh
  • Atomic Number: 113
  • Atomic mass:  286 u
  • Block: p-block element
  • Position in Periodic Table: Period 7, Group IIIA
  • Nature:Black Metals (Radioactive & Transactinide Element)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d10 7s2 7p1

FLEROVIUM

  • Symbol: Fl
  • Atomic Number: 114
  • Atomic mass:  289 u
  • Block: p-block element
  • Position in Periodic Table: Period 7, Group IVA
  • Nature:Black Metals (Radioactive Element)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d10 7s2 7p2

MOSCOVIUM

  • Symbol: Mc
  • Atomic Number: 115
  • Atomic mass:  290 u
  • Block: p-block element
  • Position in Periodic Table: Period 7, Group VA
  • Nature:Black Metals (Radioactive & Transactinide Element)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d10 7s2 7p3

LIVERMORIUM

  • Symbol: Lv
  • Atomic Number: 116
  • Atomic mass:  293 u
  • Block: p-block element
  • Position in Periodic Table: Period 7, Group VIA
  • Nature:Black Metals (Radioactive & Transactinide Series)
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d10 7s2 7p4

TENNESSINE

  • Symbol: Ts
  • Atomic Number: 117
  • Atomic mass:  294 u
  • Block: p-block element
  • Position in Periodic Table: Period 7, Group VIIA
  • Nature: Halogens
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d10 7s2 7p5

OGANESSON

  • Symbol: Og
  • Atomic Number: 118
  • Atomic mass:  294 u
  • Block: p-block element
  • Position in Periodic Table: Period 7, Group VIIIA
  • Nature: Noble Gases
  • Electronic Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d10 7s2 7p6



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