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 Hiđro H 1.01

2 Heli He 4.00

2

3 Liti Li 6.94

4 Berili Be 9.01

5 Bo B 10.81

6 Cacbon C 12.01

7 Nitơ N 14.01

8 Oxi O 16.00

9 Flo F 19.00

10 Neon Ne 20.18

3

11 Natri Na 23.00

12 Magie Mg 24.31

13 Nhôm Al 26.98

14 Silic Si 28.09

15 Photpho P 30.97

16 Lưu huỳnh S 32.07

17 Clo Cl 35.45

18 Argon Ar 39.95

4

19 Kali K 39.10

20 Canxi Ca 40.08

21 Scandi Sc 44.96

22 Titan Ti 47.89

23 Vanadi V 50.94

24 Crom Cr 52.00

25 Mangan Mn 54.94

26 Sắt Fe 55.85

27 Coban Co 58.93

28 Nikel Ni 58.69

29 Đồng Cu 63.55

30 Kẽm Zn 65.39

31 Gali Ga 69.72

32 Gecmani Ge 72.61

33 Asen As 74.92

34 Selen Se 78.96

35 Brom Br 79.90

36 Kripton Kr 83.80

5

37 Rubidi Rb 85.48

38 Stronti Sr 87.62

39 Ytri Y 88.91

40 Ziriconi Zr 91.22

41 Niobi Nb 92.91

42 Molipđen Mo 95.94

43 Tecnexi Tc [99]

44 Ruteni Ru 101.07

45 Rodi Rh 102.91

46 Paladi Pd 106.42

47 Bạc Ag 107.87

48 Cadimi Cd 112.41

49 Indi In 114.82

50 Thiếc Sn 118.71

51 Antimon Sb 121.76

52 Telu Te 127.60

53 Iođ I 126.90

54 Xenon Xe 131.29

6

55 Xezi Cs 132.91

56 Bari Ba 137.33

57-71 Họ Lantan *

72 Hafini Hf 178.49

73 Tantan Ta 180.95

74 Vonfram W 183.84

75 Reni Re 186.21

76 Osmi Os 190.23

77 Iridi Ir 192.22

78 Platin Pt 195.08

79 Vàng Au 196.97

80 Thủy ngân Hg 200.59

81 Tali Tl 204.38

82 Chi Pb 207.21

83 Bitmut Bi 208.98

84 Poloni Po [210]

85 Atatin At [210]

86 Radon Rn [222]

7

87 Franxi Fr [223]

88 Radi Ra [226]

89-103 Họ Actini **

104 Rutherfordi Rf [261]

105 Dubni Db [262]

106 Seaborgi Sg [263]

107 Bohri Bh [262]

108 Hassi Hs [277]

109 Meitneri Mt [278]

110 Darmstadti Ds [281]

111 Roentgeni Rg [281]

112 Copernixi Cn [285]

113 Nihoni Nh [286]

114 Flerovi Fl [289]

115 Moscovi Mc [289]

116 Livermori Lv [293]

117 Tennessin Ts [294]

118 Oganesson Og [294]

*

57 Lantan La 138.91

58 Xeri Ce 140.12

59 Prazeodim Pr 140.91

60 Neodim Nd 144.24

61 Prometi Pm [145]

62 Samari Sm 150.36

63 Europi Eu 151.97

64 Gadolini Gd 157.25

65 Tecbi Tb 158.93

66 Đysprozi Dy 162.50

67 Holmi Ho 164.93

68 Eribi Er 167.26

69 Tuli Tm 168.93

70 Ytecbi Yb 173.04

71 Lutexi Lu 174.97

**

89 Actini Ac [227]

90 Thori Th 232.04

91 Protactini Pa 231.04

92 Uran U 238.03

93 Neptuni Np [237]

94 Plutoni Pu [239]

95 Amerixi Am [243]

96 Curi Cm [247]

97 Beckeli Bk [247]

98 Califoni Cf [252]

99 Ensteni Es [252]

100 Fecmi Fm [257]

101 Mendelevi Md [256]

102 Nobeli No [259]

103 Lorenxi Lr [260]