PERIODIC TABLE OF THE ELEMENTS

1
IA
2
IIA
3
IIIA
4
IVA
5
VA
6
VIA
7
VIIA
8
<
9
VIII
10
>
11
IB
12
IIB
13
IIIB
14
IVB
15
VB
16
VIB
17
VIIB
18
O
1
H
1.008
 2
He
4.003
3
Li
6.941
4
Be
9.012
 5
B
10.81
6
C
12.01
7
N
14.01
8
O
16.00
9
F
19.00
10
Ne
20.18
11
Na
22.99
12
Mg
24.31
 13
Al
26.98
14
Si
28.09
15
P
30.97
16
S
32.06
17
Cl
35.45
18
Ar
39.95
19
K
39.10
20
Ca
40.08
21
Sc
44.96
22
Ti
47.90
23
V
50.94
24
Cr
52.00
25
Mn
54.94
26
Fe
55.85
27
Co
58.93
28
Ni
58.71
29
Cu
63.54
30
Zn
65.37
31
Ga
69.72
32
Ge
72.59
33
As
74.92
34
Se
78.96
35
Br
79.91
36
Kr
83.80
37
Rb
85.47
38
Sr
87.62
39
Y
88.91
40
Zr
91.22
41
Nb
92.91
42
Mo
95.94
43
Tc
98.91
44
Ru
101.07
45
Rh
102.91
46
Pd
106.4
47
Ag
107.87
48
Cd
112.40
49
In
114.82
50
Sn
118.69
51
Sb
121.75
52
Te
127.60
53
I
126.90
54
Xe
131.30
55
Cs
132.91
56
Ba
137.34
57
La
138.91
72
Hf
178.49
73
Ta
180.95
74
W
183.85
75
Re
186.2
76
Os
190.2
77
Ir
192.2
78
Pt
195.09
79
Au
197.97
80
Hg
200.59
81
Tl
204.37
82
Pb
207.19
83
Bi
208.98
84
Po
210
85
At
210
86
Rn
222
87
Fr
223
88
Ra
226.03
89
Ac
227.03
104
Rf
267
105
Db
268
106
Sg
271
107
Bh
272
108
Hs
270
109
Mt
276
110
Ds
281
111
Rg
280
112
Cn
285
113
Uut
284
114
Fl
289
115
Uup
288
116
Lv
293
117
Uus
294
118
Uuo
294
 
   Lanthanides58
Ce
140.12
59
Pr
140.91
60
Nd
144.24
61
Pm
146.92
62
Sm
150.35
63
Eu
151.96
64
Gd
157.25
65
Tb
158.92
66
Dy
162.50
67
Ho
164.93
68
Er
167.26
69
Tm
168.93
70
Yb
173.04
71
Lu
174.97
 
   Actinides90
Th
232.04
91
Pa
231.04
92
U
238.03
93
Np
237.05
94
Pu
239.05
95
Am
241.06
96
Cm
247.07
97
Bk
249.08
98
Cf
251.08
99
Es
254.09
100
Fm
257.10
101
Md
258.10
102
No
255
103
Lr
257

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