Periodic Table of the Elements

Introduction:

This page should be familiar to anyone who did Chemistry in High School. For even more information, we recommend a visit to the Visual Elements Periodic Table which is an arts and science collaborative project from the Royal Society of Chemistry (RSC).

Group:123456789 101112131415161718
Period                   
1

1

H

H - Hydrogen
Atomic No.1
Atomic Weight:1.008

                 

2

He

He - Helium
Atomic No.2
Atomic Weight:4.003

2

3

Li

Li - Lithium
Atomic No.3
Atomic Weight:6

4

Be

Be - Berylium
Atomic No.4
Atomic Weight:9.012

           

5

B

B - Boron
Atomic No.5
Atomic Weight:10.81

6

C

C - Carbon
Atomic No.6
Atomic Weight:12.011

7

N

N - Nitrogen
Atomic No.7
Atomic Weight:14.007

8

O

O - Oxygen
Atomic No.8
Atomic Weight:15.999

9

F

F - Fluorine
Atomic No.9
Atomic Weight:18.998

10

Ne

Ne - Neon
Atomic No.10
Atomic Weight:20.180

3

11

Na

Na - Sodium
Atomic No.11
Atomic Weight:22.990

12

Mg

Mg - Magnesium
Atomic No.12
Atomic Weight:24.305

           

13

Al

Al - Aluminium
Atomic No.13
Atomic Weight:26.982

14

Si

Si - Silicon
Atomic No.14
Atomic Weight:28.085

15

P

P - Phosphorous
Atomic No.15
Atomic Weight:30.974

16

S

S - Sulphur
Atomic No.16
Atomic Weight:32.06

17

Cl

Cl - Chlorine
Atomic No.17
Atomic Weight:35.45

18

Ar

Ar - Argon
Atomic No.18
Atomic Weight:39.95

4

19

K

K - Potassium
Atomic No.19
Atomic Weight:39.098

20

Ca

Ca - Calcium
Atomic No.20
Atomic Weight:40.078

21

Sc

Sc - Scandium
Atomic No.21
Atomic Weight:44.956

22

Ti

Ti - Titanium
Atomic No.22
Atomic Weight:47.867

23

V

V - Vanadium
Atomic No.23
Atomic Weight:50.942

24

Cr

Cr - Chromium
Atomic No.24
Atomic Weight:51.996

25

Mn

Mn - Manganese
Atomic No.25
Atomic Weight:54.938

26

Fe

Fe - Iron
Atomic No.26
Atomic Weight:55.845

27

Co

Co - Cobalt
Atomic No.27
Atomic Weight:58.933

28

Ni

Ni - Nickel
Atomic No.28
Atomic Weight:58.693

29

Cu

Cu - Copper
Atomic No.29
Atomic Weight:63.546

30

Zn

Zn - Zinc
Atomic No.30
Atomic Weight:65.38

31

Ga

Ga - Gallium
Atomic No.31
Atomic Weight:69.723

32

Ge

Ge - Germanium
Atomic No.32
Atomic Weight:72.630

33

As

As - Arsenic
Atomic No.33
Atomic Weight:74.922

34

Se

Se - Selenium
Atomic No.34
Atomic Weight:78.971

35

Br

Br - Bromine
Atomic No.35
Atomic Weight:79.904

36

Kr

Kr - Krypton
Atomic No.36
Atomic Weight:83.798

5

37

Rb

Rb - Rubidium
Atomic No.37
Atomic Weight:85.468

38

Sr

Sr - Strontium
Atomic No.38
Atomic Weight:87.62

39

Y

Y - Yttrium
Atomic No.39
Atomic Weight:88.906

40

Zr

Zr - Zirconium
Atomic No.40
Atomic Weight:91.224

41

Nb

Nb - Niobium
Atomic No.41
Atomic Weight:92.906

42

Mo

Mo - Molybdenum
Atomic No.42
Atomic Weight:95.95

43

Tc

Tc - Technetium
Atomic No.43
Atomic Weight:(98)

44

Ru

Ru - Ruthenium
Atomic No.44
Atomic Weight:101.07

45

Rh

Rh - Rhodium
Atomic No.45
Atomic Weight:102.96

46

Pd

Pd - Paladium
Atomic No.46
Atomic Weight:106.42

47

Ag

Ag - Silver
Atomic No.47
Atomic Weight:107.868

48

Cd

Cd - Cadmium
Atomic No.48
Atomic Weight:112.414

49

In

In - Indium
Atomic No.49
Atomic Weight:114.818

50

Sn

Sn - Tin
Atomic No.50
Atomic Weight:118.710

51

Sb

Sb - Antimony
Atomic No.51
Atomic Weight:121.760

52

Te

Te - Tellurium
Atomic No.52
Atomic Weight:127.60

53

I

I - Iodine
Atomic No.53
Atomic Weight:126.904

54

Xe

Xe - Xenon
Atomic No.54
Atomic Weight:131.293

6

55

Cs

Cs - Cesium
Atomic No.55
Atomic Weight:132.905

56

Ba

Ba - Barium
Atomic No.56
Atomic Weight:137.327

Lanthanoids

57

La

La - Lanthanum
Atomic No.57
Atomic Weight:138.905

58

Ce

Ce - Cerium
Atomic No.58
Atomic Weight:140.116

59

Pr

Pr - Praseodymium
Atomic No.59
Atomic Weight:140.908

60

Nd

Nd - Neodymium
Atomic No.60
Atomic Weight:144.242

61

Pm

Pm - Prometheum
Atomic No.61
Atomic Weight:(145)

62

Sm

Sm - Samarium
Atomic No.62
Atomic Weight:150.36

63

Eu

Eu - Europium
Atomic No.63
Atomic Weight:151.964

64

Gd

Gd - Gadolinium
Atomic No.64
Atomic Weight:157.25

65

Tb

Tb - Terbium
Atomic No.65
Atomic Weight:158.925

66

Dy

Dy - Dysprosium
Atomic No.66
Atomic Weight:162.500

67

Ho

Ho - Holmium
Atomic No.67
Atomic Weight:164.930

68

Er

Er - Erbium
Atomic No.68
Atomic Weight:167.259

69

Tm

Tm - Thulium
Atomic No.69
Atomic Weight:168.934

70

Yb

Yb - Ytterbium
Atomic No.70
Atomic Weight:173.045

71

Lu

Lu - Lutetium
Atomic No.71
Atomic Weight:174.967

72

Hf

Hf - Hafnium
Atomic No.72
Atomic Weight:178.486

73

Ta

Ta - Tantalum
Atomic No.73
Atomic Weight:180.948

74

W

W - Tungsten
Atomic No.74
Atomic Weight:183.84

75

Re

Re - Rhenium
Atomic No.75
Atomic Weight:186.207

76

Os

Os - Osmium
Atomic No.76
Atomic Weight:190.23

77

Ir

Ir - Iridium
Atomic No.77
Atomic Weight:192.217

78

Pt

Pt - Platinum
Atomic No.78
Atomic Weight:195.084

79

Au

Au - Gold
Atomic No.79
Atomic Weight:196.967

80

Hg

Hg - Mercury
Atomic No.80
Atomic Weight:200.592

81

Tl

Tl - Thallium
Atomic No.81
Atomic Weight:204.38

82

Pb

Pb - Lead
Atomic No.82
Atomic Weight:207.2

83

Bi

Bi - Bismuth
Atomic No.83
Atomic Weight:208.980

84

Po

Po - Polonium
Atomic No.84
Atomic Weight:[209]

85

At

At - Astatine
Atomic No.85
Atomic Weight:[210]

86

Rn

Rn - Radon
Atomic No.86
Atomic Weight:[222]

7

87

Fr

Fr - Francium
Atomic No.87
Atomic Weight:[223]

88

Ra

Ra - Radium
Atomic No.88
Atomic Weight:[226]

Actinoids

89

Ac

Ac - Actinium
Atomic No.89
Atomic Weight:[227]

90

Th

Th - Thorium
Atomic No.90
Atomic Weight:232.038

91

Pa

Pa - Protactinium
Atomic No.91
Atomic Weight:231.036

92

U

U - Uranium
Atomic No.92
Atomic Weight:238.029

93

Np

Np - Neptunium
Atomic No.93
Atomic Weight:[237]

94

Pu

Pu - Plutonium
Atomic No.94
Atomic Weight:[244]

95

Am

Am - Americium
Atomic No.95
Atomic Weight:[243]

96

Cm

Cm - Curium
Atomic No.96
Atomic Weight:[247]

97

Bk

Bk - Berkelium
Atomic No.97
Atomic Weight:[247]

98

Cf

Cf - Californium
Atomic No.98
Atomic Weight:[251]

99

Es

Es - Einsteinium
Atomic No.99
Atomic Weight:[252]

100

Fm

Fm - Fermium
Atomic No.100
Atomic Weight:[257]

101

Md

Md - Mendelevium
Atomic No.101
Atomic Weight:[258]

102

No

No - Nobelium
Atomic No.102
Atomic Weight:[259]

103

Lr

Lr - Lawrencium
Atomic No.103
Atomic Weight:[262]

104

Rf

Rf - Rutherfordium
Atomic No.104
Atomic Weight:[267]

105

Db

Db - Dubnium
Atomic No.105
Atomic Weight:[268]

106

Sg

Sg - Seaborgium
Atomic No.106
Atomic Weight:[269]

107

Bh

Bh - Bohrium
Atomic No.107
Atomic Weight:[270]

108

Hs

Hs - Hassium
Atomic No.108
Atomic Weight:[269]

109

Mt

Mt - Meltnerium
Atomic No.109
Atomic Weight:[278]

110

Ds

Ds - Darmstadtium
Atomic No.110
Atomic Weight:[281]

111

Rg

Rg - Roentgenium
Atomic No.111
Atomic Weight:[280]

112

Cn

Cn - Copernicium
Atomic No.112
Atomic Weight:[285]

113

Nh

Nh - Nihonium
Atomic No.113
Atomic Weight:[286]

114

Uuq

Fi - Flerovium
Atomic No.114
Atomic Weight:[289]

115

Mc

Mc - Moscovium
Atomic No.115
Atomic Weight:[289]

116

Lv

Lv - Livermorium
Atomic No.116
Atomic Weight:[293]

117

Ts

Ts - Tennessine
Atomic No.117
Atomic Weight:[294]

118

Og

Og - Oganesson
Atomic No.118
Atomic Weight:[294]

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