Periodiska systemet och grundämnen

1

H

Väte

1.0079 u

2

He

Helium

4.0026 u

3

Li

Litium

6.941 u

4

Be

Beryllium

9.0122 u

5

B

Bor

10.811 u

6

C

Kol

12.0107 u

7

N

Kväve

14.0067 u

8

O

Syre

15.9994 u

9

F

Fluor

18.9984 u

10

Ne

Neon

20.1797 u

11

Na

Natrium

22.9898 u

12

Mg

Magnesium

24.305 u

13

Al

Aluminium

26.9815 u

14

Si

Kisel

28.0855 u

15

P

Fosfor

30.9738 u

16

S

Svavel

32.065 u

17

Cl

Klor

35.453 u

18

Ar

Argon

39.948 u

19

K

Kalium

39.0983 u

20

Ca

Kalcium

40.078 u

21

Sc

Skandium

44.9559 u

22

Ti

Titan

47.867 u

23

V

Vanadin

50.9415 u

24

Cr

Krom

51.9961 u

25

Mn

Mangan

54.938 u

26

Fe

Järn

55.845 u

27

Co

Kobolt

58.9332 u

28

Ni

Nickel

58.6934 u

29

Cu

Koppar

63.546 u

30

Zn

Zink

65.38 u

31

Ga

Gallium

69.723 u

32

Ge

Germanium

72.63 u

33

As

Arsenik

74.9216 u

34

Se

Selen

78.96 u

35

Br

Brom

79.904 u

36

Kr

Krypton

83.798 u

37

Rb

Rubidium

85.4678 u

38

Sr

Strontium

87.62 u

39

Y

Yttrium

88.9059 u

40

Zr

Zirkonium

91.224 u

41

Nb

Niob

92.9064 u

42

Mo

Molybden

95.96 u

43

Tc

Teknetium

98 u

44

Ru

Rutenium

101.07 u

45

Rh

Rodium

102.9055 u

46

Pd

Palladium

106.42 u

47

Ag

Silver

107.8682 u

48

Cd

Kadmium

112.411 u

49

In

Indium

114.818 u

50

Sn

Tenn

118.71 u

51

Sb

Antimon

121.76 u

52

Te

Tellur

127.6 u

53

I

Jod

126.9045 u

54

Xe

Xenon

131.293 u

55

Cs

Cesium

132.9055 u

56

Ba

Barium

137.327 u

57

La

Lantan

138.9055 u

58

Ce

Cerium

140.116 u

59

Pr

Praseodym

140.9077 u

60

Nd

Neodym

144.242 u

61

Pm

Prometium

145 u

62

Sm

Samarium

150.36 u

63

Eu

Europium

151.964 u

64

Gd

Gadolinium

157.25 u

65

Tb

Terbium

158.9254 u

66

Dy

Dysprosium

162.5 u

67

Ho

Holmium

164.9303 u

68

Er

Erbium

167.259 u

69

Tm

Tulium

168.9342 u

70

Yb

Ytterbium

173.054 u

71

Lu

Lutetium

174.9668 u

72

Hf

Hafnium

178.49 u

73

Ta

Tantal

180.9479 u

74

W

Volfram

183.84 u

75

Re

Rhenium

186.207 u

76

Os

Osmium

190.23 u

77

Ir

Iridium

192.217 u

78

Pt

Platina

195.084 u

79

Au

Guld

196.9666 u

80

Hg

Kvicksilver

200.59 u

81

Tl

Tallium

204.3833 u

82

Pb

Bly

207.2 u

83

Bi

Vismut

208.9804 u

84

Po

Polonium

209 u

85

At

Astat

210 u

86

Rn

Radon

222 u

87

Fr

Francium

223 u

88

Ra

Radium

226 u

89

Ac

Aktinium

227 u

90

Th

Torium

232.0381 u

91

Pa

Protaktinium

231.0359 u

92

U

Uran

238.0289 u

93

Np

Neptunium

237 u

94

Pu

Plutonium

244 u

95

Am

Americium

243 u

96

Cm

Curium

247 u

97

Bk

Berkelium

247 u

98

Cf

Californium

251 u

99

Es

Einsteinium

252 u

100

Fm

Fermium

257 u

101

Md

Mendelevium

258 u

102

No

Nobelium

259 u

103

Lr

Lawrencium

266 u

104

Rf

Rutherfordium

267 u

105

Db

Dubnium

268 u

106

Sg

Seaborgium

269 u

107

Bh

Bohrium

270 u

108

Hs

Hassium

269 u

109

Mt

Meitnerium

278 u

110

Ds

Darmstadtium

281 u

111

Rg

Röntgenium

281 u

112

Cn

Copernicium

285 u

113

Nh

Nihonium

286 u

114

Fl

Flerovium

289 u

115

Mc

Moscovium

289 u

116

Lv

Livermorium

293 u

117

Ts

Tenness

294 u

118

Og

Oganesson

294 u