元素分类筛选
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
He
氦
4.003
2
9
F
氟
18.998
10
Ne
氖
20.180
3
17
Cl
氯
35.45
18
Ar
氩
39.95
4
35
Br
溴
79.904
36
Kr
氪
83.798
5
53
I
碘
126.90
54
Xe
氙
131.29
6
85
At
砹
[210]
86
Rn
氡
[222]
7
117
Ts
鿬
[294]
118
Og
鿫
[294]
57-71
57
La
镧
138.91
58
Ce
铈
140.12
59
Pr
镨
140.91
60
Nd
钕
144.24
61
Pm
钷
[145]
62
Sm
钐
150.36
63
Eu
铕
151.96
64
Gd
钆
157.25
65
Tb
铽
158.93
66
Dy
镝
162.50
67
Ho
钬
164.93
68
Er
铒
167.26
69
Tm
铥
168.93
70
Yb
镱
173.05
71
Lu
镥
174.97
89-103
89
Ac
锕
[227]
90
Th
钍
232.04
91
Pa
镤
231.04
92
U
铀
238.03
93
Np
镎
[237]
94
Pu
钚
[244]
95
Am
镅
[243]
96
Cm
锔
[247]
97
Bk
锫
[247]
98
Cf
锎
[251]
99
Es
锿
[252]
100
Fm
镄
[257]
101
Md
钔
[258]
102
No
锘
[259]
103
Lr
铹
[262]