it's the periodic table
of elements
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
1 |
1
H |
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2
He |
2 |
3
Hi |
4
Be |
5
M |
6
C |
7
N |
8
O |
9
F |
10
Fe |
3 |
11
Na |
12
Mg |
13
Al |
14
Si |
15
P |
16
S |
17
Cl |
18
Ar |
4 |
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 |
5 |
37
r |
38
sr |
39
Y |
40
Zr |
41
Nb |
42
mo |
43
tv |
44
ru |
45
rh |
46
pd |
47
ag |
48
cd |
49
in |
50
sn |
51
sb |
52
te |
53
i |
54
xe |
6 |
55
cs |
56
ba |
71
ba |
72
la |
73
hf |
74
ta |
75
w |
76
re |
77
os
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78
ir |
79
pt |
80
au |
81
ti |
82
pb |
83
bi |
84
po |
85
at |
86
rn |
7 |
88
fr |
89
ra |
103
ac |
104
unq |
105
unp |
106
unh |
107
uns |
108
uno |
109
une |
110
uun |
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*Lanthanoids |
57
la |
58
ce |
59
pr |
60
nd |
61
pm |
62
sm |
63
eu |
64
gr |
65
tb |
66
dy |
67
ho |
68
er |
69
tm |
70
yb |
**Actinoids |
89
ac |
90
th |
91
pa |
92
u |
93
np |
94
pu |
95
am |
96
cm |
97
bk |
98
cf |
99
es |
100
fm |
101
md |
102
no |
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Y er
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