IA

IIA

IIIA

IVA

VA

VIA

VIIA

VIII

IB

IIB

IIIB

IVB

VB

VIB

VIIB

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

1

1 氫 H 1.01

2 氦 He 4.00

2

3 鋰 Li 6.94

4 鈹 Be 9.01

5 硼 B 10.81

6 碳 C 12.01

7 氮 N 14.01

8 氧 O 16.00

9 氟 F 19.00

10 氖 Ne 20.18

3

11 鈉 Na 23.00

12 錳 Mg 24.31

13 鋁 Al 26.98

14 矽 Si 28.09

15 磷 P 30.97

16 硫 S 32.07

17 氯 Cl 35.45

18 氬 Ar 39.95

4

19 鈘 K 39.10

20 鈣 Ca 40.08

21 鈧 Sc 44.96

22 鈦 Ti 47.89

23 釩 V 50.94

24 鉻 Cr 52.00

25 錳 Mn 54.94

26 鐵 Fe 55.85

27 鈷 Co 58.93

28 鎳 Ni 58.69

29 銅 Cu 63.55

30 鋅 Zn 65.39

31 鎵 Ga 69.72

32 鍺 Ge 72.61

33 砷 As 74.92

34 硒 Se 78.96

35 溴 Br 79.90

36 氪 Kr 83.80

5

37 銣 Rb 85.48

38 鍶 Sr 87.62

39 釔 Y 88.91

40 鋯 Zr 91.22

41 鈮 Nb 92.91

42 鉬 Mo 95.94

43 鎝 Tc [99]

44 釕 Ru 101.07

45 銠 Rh 102.91

46 鈀 Pd 106.42

47 銀 Ag 107.87

48 鎘 Cd 112.41

49 銦 In 114.82

50 錫 Sn 118.71

51 銻 Sb 121.76

52 碲 Te 127.60

53 碘 I 126.90

54 氙 Xe 131.29

6

55 銫 Cs 132.91

56 鋇 Ba 137.33

57-71 鑭 *

72 鉿 Hf 178.49

73 鉭 Ta 180.95

74 鎢 W 183.84

75 錸 Re 186.21

76 鋨 Os 190.23

77 銥 Ir 192.22

78 鉑 Pt 195.08

79 金 Au 196.97

80 汞 Hg 200.59

81 鉈 Tl 204.38

82 鉛 Pb 207.21

83 鉍 Bi 208.98

84 釙 Po [210]

85 砈 At [210]

86 氡 Rn [222]

7

87 鍅 Fr [223]

88 鐳 Ra [226]

89-103 錒 **

104 鑪 Rf [261]

105 𨧀 Db [262]

106 𨭎 Sg [263]

107 𨨏 Bh [264]

108 𨭆 Hs [269]

109 䥑 Mt [268]

110 鐽 Ds [269]

111 錀 Rg [272]

*

57 鑭 La 138.91

58 鈰 Ce 140.12

59 鐠 Pr 140.91

60 釹 Nd 144.24

61 鉕 Pm [145]

62 釤 Sm 150.36

63 銪 Eu 151.97

64 釓 Gd 157.25

65 鋱 Tb 158.93

66 鏑 Dy 162.50

67 鈥 Ho 164.93

68 鉺 Er 167.26

69 銩 Tm 168.93

70 鐿 Yb 173.04

71 鎦 Lu 174.97

**

89 錒 Ac [227]

90 釷 Th 232.04

91 鏷 Pa 231.04

92 鈾 U 238.03

93 錼 Np [237]

94 鈽 Pu [239]

95 鋂 Am [243]

96 鋦 Cm [247]

97 鉳 Bk [247]

98 鉲 Cf [252]

99 鑀 Es [252]

100 鐨 Fm [257]

101 鍆 Md [256]

102 鍩 No [259]

103 鐒 Lr [260]