1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1 

H

1

Brint
 

He

2

Helium
2 

Li

3

Lithium

Be

4

Beryllium
 

B

5

Bor

C

6

Carbon

N

7

Kvælstof

O

8

Ilt

F

9

Fluor

Ne

10

Neon
3 

Na

11

Natrium

Mg

12

Magnesium
 

Al

13

Aluminium

Si

14

Silicium

P

15

Fosfor

S

16

Svovl

Cl

17

Klor

Ar

18

Argon
4 

K

19

Kalium

Ca

20

Calcium

Sc

21

Scandium

Ti

22

Titan

V

23

Vanadium

Cr

24

Krom

Mn

25

Mangan

Fe

26

Jern

Co

27

Kobolt

Ni

28

Nikkel

Cu

29

Kobber

Zn

30

Zink

Ga

31

Gallium

Ge

32

Germanium

As

33

Arsen

Se

34

Selen

Br

35

Brom

Kr

36

Krypton
5 

Rb

37

Rubidium

Sr

38

Strontium

Yt

39

Yttrium

Zr

40

Zirconium

Nb

41

Niobium

Mo

42

Molybdæn

Tc

43

Technetium

Ru

44

Ruthenium

Rh

45

Rhodium

Pd

46

Palladium

Ag

47

Sølv

Cd

48

Cadmium

In

49

Indium

Sn

50

Tin

Sb

51

Antimon

Te

52

Tellur

I

53

Jod

Xe

54

Xenon
6 

Cs

55

Cæsium

Ba

56

Barium
57 - 71

Hf

72

Hafnium

Ta

73

Tantal

W

74

Wolfram

Re

75

Rhenium

Os

76

Osmium

Ir

77

Iridium

Pt

78

Platin

Au

79

Guld

Hg

80

Kviksølv

Ti

81

Thallium

Pb

82

Bly

Bi

83

Bismuth

Po

84

Polonium

At

85

Astat

Rn

86

Radon
7 

Fr

87

Francium

Ra

88

Radium
89 - 103

Rf

104

Rutherfordium

Db

105

Dubnium

Sg

106

Seaborgium

Bh

107

Bohrium

Hs

108

Hassium

Mt

109

Meitnerium

Ds

110

Darmstadtium

Rg

111

Røntgenium

Cn

112

Copernicium

Nh

113

Nihonium

Fl

114

Flerovium

Mc

115

Moscovium

Lv

116

Livermorium

Ts

117

Tennessine

Og

118

Organesson
  Det periodiske system - 2016 MatNat.dk
   

La

57

Lanthan

Ce

58

Cerium

Pr

59

Praseodym

Nd

60

Neodym

Pm

61

Promethium

Sm

62

Samarium

Eu

63

Europium

Gd

64

Gadolinium

Tb

65

Terbium

Dy

66

Dysprosium

Ho

67

Holmium

Er

68

Erbium

Tm

69

Thulium

Yb

70

Ytterbium

Lu

71

Lutetium
   

Ac

89

Actinium

Th

90

Thorium

Pa

91

Protactinium

U

92

Uran

Np

93

Neptunium

Pu

94

Plutonium

Am

95

Americium

Cm

96

Curium

Bk

97

Berkelium

Cf

98

Californium

Es

99

Einsteinium

Fm

100

Fermium

Md

101

Mendelevium

No

102

Nobelium

Lr

103

Lawrencium