IA VIIIA

1

H

1.01

IIA

Atomic Number

Symbol

Atomic mass

  • Metals
  • Transition Metals
  • Metaloids
  • Nonmetals
  • Lanthanides
  • Actinides
IIIA IVA VA VIA VIIA

2

He

4.00

3

Li

6.94

4

Be

9.01

5

B

10.81

6

C

12.01

7

N

14.01

8

O

16.00

9

F

19.00

10

Ne

20.18

11

Na

22.99

12

Mg

24.31

IIIB IVB VB VIB VIB VIIIB IB IIB

13

Al

26.98

14

Si

28.09

15

P

30.97

16

S

32.06

17

Cl

35.45

18

Ar

39.95

19

K

39.10

20

Ca

40.08

21

Sc

44.96

22

Ti

47.90

23

V

50.94

24

Cr

52.00

25

Mn

54.94

26

Fe

55.85

27

Co

58.93

28

Ni

58.71

29

Cu

63.55

30

Zn

65.38

31

Ga

69.72

32

Ge

72.59

33

As

74.92

34

Se

78.96

35

Br

79.90

36

Kr

83.80

37

Rb

85.47

38

Sr

87.62

39

Y

88.91

40

Zr

91.22

41

Nb

92.91

42

Mo

95.94

43

Tc

(98)

44

Ru

101.07

45

Rh

102.91

46

Pd

106.4

47

Ag

107.87

48

Cd

112.40

49

In

114.82

50

Sn

118.69

51

Sb

121.75

52

Te

127.60

53

I

126.90

54

Xe

131.30

55

Cs

132.91

56

Ba

137.34

57

La*

138.91

72

Hf

178.49

73

Ta

180.95

74

W

183.85

75

Re

186.21

76

Os

190.2

77

Ir

192.22

78

Pt

195.09

79

Au

196.97

80

Hg

200.59

81

Tl

204.37

82

Pb

207.2

83

Bi

208.96

84

Po

(209)

85

At

(210)

86

Rn

(222)

87

Fr

(223)

88

Ra

226.03

89

Ac*

(227)

104

Rf

(261)

105

Db

(262)

106

Sg

(263)

107

Bh

(262)

108

Hs

(265)

109

Mt

(266)

110

Uun

(269)

111

Uuu

(272)

112

Uub

(285)

113

Uut

(284)

*Lanthanides:

58

Ce

140.11

59

Pr

140.91

60

Nd

144.24

61

Pm

(145)

62

Sm

150.36

63

Eu

151.96

64

Gd

157.25

65

Tb

158.92

66

Dy

162.50

67

Ho

164.93

68

Er

167.26

69

Tm

168.93

70

Yb

173.04

71

Lu

174.97

*Actinides:

90

Th

232.04

91

Pa

231.04

92

U

238.03

93

Np

237.05

94

Pu

(244)

95

Am

(243)

96

Cm

(247)

97

Bk

(247)

98

Cf

(252)

99

Es

(252)

100

Fm

(257)

101

Md

(258)

102

No

(259)

103

Lr

(223)