化学中各元素用什么字母代表?

化学中各元素用什么字母代表? 初三的 详细点 本人很需要 谢谢!
2025-03-02 07:33:24
推荐回答(3个)
回答1:



I A
1 1 H

1.0079
IIA 化学元素周期表
IIIA
IVA
VA
VIA
VIIA 2 He

4.0026
2 3 Li

6.941 4 Be

9.0122 5 B

10.811 6 C

12.011 7 N

14.007 8 O

15.999 9 F

18.998 10 Ne

20.17
3 11 Na

22.9898 12 Mg

24.305
IIIB
IVB
VB
VIB
VIIB
VIII
IB
IIB 13 Al

26.982 14 Si

28.085 15 P

30.974 16 S

32.06 17 Cl

35.453 18 Ar

39.94
4 19 K

39.098 20 Ca

40.08 21 Sc

44.956 22 Ti

47.9 23 V

50.9415 24 Cr

51.996 25 Mn

54.938 26 Fe

55.84 27 Co

58.9332 28 Ni

58.69 29 Cu

63.54 30 Zn

65.38 31 Ga

69.72 32 Ge

72.59 33 As

74.9216 34 Se

78.9 35 Br

79.904 36 Kr

83.8
5 37 Rb

85.467 38 Sr

87.62 39 Y

88.906 40 Zr

91.22 41 Nb

92.9064 42 Mo

95.94 43 Tc

99 44 Ru

101.07 45 Rh

102.906 46 Pd

106.42 47 Ag

107.868 48 Cd

112.41 49 In

114.82 50 Sn

118.6 51 Sb

121.7 52 Te

127.6 53 I

126.905 54 Xe

131.3
6 55 Cs

132.905 56 Ba

137.33 57-71
La-Lu
镧系 72 Hf

178.4 73 Ta

180.947 74 W

183.8 75 Re

186.207 76 Os

190.2 77 Ir

192.2 78 Pt

195.08 79 Au

196.967 80 Hg

200.5 81 Tl

204.3 82 Pb

207.2 83 Bi

208.98 84 Po

(209) 85 At

(201) 86 Rn

(222)
7 87 Fr

(223) 88 Ra

226.03 89-103
Ac-Lr
锕系 104 Rf

(261) 105 Db

回答2:

你问,只要是初三的,我都可以一一为你解答。

回答3:

你初三的化学教科书后面应该有一个元素周期表的。

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