Other no metal
7 chemical elements
1
H
1.0082 u
1s1
Hydrogen
Other no metal
6
C
12.0112 u
[He] 2s2 2p2
Carbon
Other no metal
7
N
14.0072 u
[He] 2s2 2p3
Nitrogen
Other no metal
8
O
15.9992 u
[He] 2s2 2p4
Oxygen
Other no metal
15
P
30.9738 u
[Ne] 3s2 3p3
Phosphorus
Other no metal
16
S
32.062 u
[Ne] 3s2 3p4
Sulfur
Other no metal
34
Se
78.971 u
[Ar] 3d10 4s2 4p4
Selenium
Other no metal