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0x16w/allotropes
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(1) Hydrogen
H
H
2
H
3
(6)
Carbon
C
C
2
C
3
C
20
(7)
Nitrogen
N
N
2
N
3
N
4
N
6
N
8
(8)
Oxygen
O
O
2
O
3
O
4
O
8
(15)
Phosphorus
P
2
P
4
(16)
Sulfur
S
2
S
3
S
4
S
5
S
6
S
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S
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S
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S
18
S
20
