Last update:

 IAIIAIIIAIVAVAVIAVIIAVIIIVIIIVIIIIBIIBIIIBIVBVBVIBVIIB0
 123456789101112131415161718
11
H
1.01
 2
He
4
23
Li
6.94
4
Be
9.01
 5
B
10.81
6
C
12.01
7
N
14.01
8
O
16
9
F
19
10
Ne
20.18
311
Na
23
12
Mg
24.31
 13
Al
26.98
14
Si
28.09
15
P
30.97
16
S
32.07
17
Cl
35.45
18
Ar
39.95
419
K
39.1
20
Ca
40.08
21
Sc
44.96
22
Ti
47.89
23
V
50.94
24
Cr
52
25
Mn
54.94
26
Fe
55.85
27
Co
58.93
28
Ni
58.69
29
Cu
63.55
30
Zn
65.39
31
Ga
69.72
32
Ge
72.61
33
As
74.92
34
Se
78.96
35
Br
79.9
36
Kr
83.8
537
Rb
85.48
38
Sr
87.62
39
Y
88.91
40
Zr
91.22
41
Nb
92.91
42
Mo
95.94
43
Tc
[99]
44
Ru
101.07
45
Rh
102.91
46
Pd
106.42
47
Ag
107.87
48
Cd
112.41
49
In
114.82
50
Sn
118.71
51
Sb
121.76
52
Te
127.6
53
I
126.9
54
Xe
131.29
655
Cs
132.91
56
Ba
137.33
57~71 *72
Hf
178.49
73
Ta
180.95
74
W
183.84
75
Re
186.21
76
Os
190.23
77
Ir
192.22
78
Pt
195.08
79
Au
196.97
80
Hg
200.59
81
Tl
204.38
82
Pb
207.21
83
Bi
208.98
84
Po
[210]
85
At
[210]
86
Rn
[222]
787
Fr
[223]
88
Ra
[226]
89~103 **104
Unq
[261]
105
Unp
[262]
106
Unh
[263]
107
Uns
[262]
108
Uno
[265]
109
Une
[266]
 
*57
La
138.91
58
Ce
140.12
59
Pr
140.91
60
Nd
144.24
61
Pm
[145]
62
Sm
150.36
63
Eu
151.97
64
Gd
157.25
65
Tb
158.93
66
Dy
162.5
67
Ho
164.93
68
Er
167.26
69
Tm
168.93
70
Yb
173.04
71
Lu
174.97
 
**89
Ac
[227]
90
Th
232.04
91
Pa
231.04
92
U
238.03
93
Np
[237]
94
Pu
[239]
95
Am
[243]
96
Cm
[247]
97
Bk
[247]
98
Cf
[252]
99
Es
[252]
100
Fm
[257]
101
Md
[256]
102
No
[259]
103
Lr
[260]
 

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