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Element Index - Atomic Number

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Atomic Number Index
Atomic
Number
Element Symbol   Atomic
Number
Element Symbol

1

hydrogen

H

 

2

helium

He

3

lithium

Li

 

4

beryllium

Be

5

boron

B

 

6

carbon

C

7

nitrogen

N

 

8

oxygen

O

9

fluorine

F

 

10

neon

Ne

11

sodium

Na

 

12

magnesium

Mg

13

aluminum

Al

 

14

silicon

Si

15

phosphorus

P

 

16

sulfur

S

17

chlorine

Cl

 

18

argon

Ar

19

potassium

K

 

20

calcium

Ca

21

scandium

Sc

 

22

titanium

Ti

23

vanadium

V

 

24

chromium

Cr

25

manganese

Mn

 

26

iron

Fe

27

cobalt

Co

 

28

nickel

Ni

29

copper

Cu

 

30

zinc

Zn

31

gallium

Ga

 

32

germanium

Ge

33

arsenic

As

 

34

selenium

Se

35

bromine

Br

 

36

krypton

Kr

37

rubidium

Rb

 

38

strontium

Sr

39

yttrium

Y

 

40

zirconium

Zr

41

niobium

Nb

 

42

molybdenum

Mo

43

technetium

Tc

 

44

ruthenium

Ru

45

rhodium

Rh

 

46

palladium

Pd

47

silver

Ag

 

48

cadmium

Cd

49

indium

In

 

50

tin

Sn

51

antimony

Sb

 

52

tellurium

Te

53

iodine

I

 

54

xenon

Xe

55

cesium

Cs

 

56

barium

Ba

57

lanthanum

La

 

58

cerium

Ce

59

praseodymium

Pr

 

60

neodymium

Nd

61

promethium

Pm

 

62

samarium

Sm

63

europium

Eu

 

64

gadolinium

Gd

65

terbium

Tb

 

66

dysprosium

Dy

67

holmium

Ho

 

68

erbium

Er

69

thulium

Tm

 

70

ytterbium

Yb

71

lutetium

Lu

 

72

hafnium

Hf

73

tantalum

Ta

 

74

tungsten

W

75

rhenium

Re

 

76

osmium

Os

77

iridium

Ir

 

78

platinum

Pt

79

gold

Au

 

80

mercury

Hg

81

thallium

Tl

 

82

lead

Pb

83

bismuth

Bi

 

84

polonium

Po

85

astatine

At

 

86

radon

Rn

87

francium

Fr

 

88

radium

Ra

89

actinium

Ac

 

90

thorium

Th

91

protactinium

Pa

 

92

uranium

U

93

neptunium

Np

 

94

plutonium

Pu

95

americium

Am

 

96

curium

Cm

97

berkelium

Bk

 

98

californium

Cf

99

einsteinium

Es

 

100

fermium

Fm

101

mendelevium

Md

 

102

nobelium

No

103

lawrencium

Lr

 

104

rutherfordium

Rf

105

dubnium

Db

 

106

seaborgium

Sg

107

bohrium

Bh

 

108

hassium

Hs

109

meitnerium

Mt

 

110

darmstadtium

Ds

111

roentgenium

Rg

 

112

ununbium

Uub

113

ununtrium

Uut

 

114

ununquadium

Uuq

115

ununpentium

Uup

 

116

ununhexium

Uuh

118

ununoctium

Uuo