"THE PERIODIC TABLE"

1
H
2
He
3
Li
4
Be
5
B
6
C
7
N
8
O
9
F
10
Ne
11
Na
12
Mg
13
AI
14
SI
15
P
16
S
17
CI
18
Ar
19
K
20
Ca
21
Sc
22
Ti
23
V
24
CR
25
Mn
26
Fe
27
Co
28
Ni
29
CU
30
ZN
31
Ga
32
GE
33
As
34
SE
35
Br
36
Kr
37
Rb
38
Sr
39
Y
40
Zr
41
Nb
42
MO
43
TC
44
Ru
45
Rh
46
Pd
47
Ag
48
Cd
49
In
50
Sn
51
Sb
52
Te
53
I
54
Xe
55
cs
56
ba
57-71 72
hf
73
ta
74
w
75
re
76
os
77
ir
78
pt
79
au
80
hg
81
ti
82
pb
83
bi
84
po
85
at
86
rn
87
fr
88
ra
89-103 104
rf
105
db
106
sg
107
bh
108
hs
109
mt
110
ds
111
rg
112
cn
113
nh
114
fi
115
mc
116
lv
117
ts
118
og
57
la
58
ce
59
pr
60
nd
61
pm
62
sm
63
eu
64
gd
65
tb
66
dy
67
cn
68
nh
69
fi
70
mc
71
lv
89
la
90
ce
91
pr
92
nd
93
pm
94
sm
95
eu
96
gd
97
tb
98
dy
99
es
100
fm
101
md
102
no
103
lr