1
Its chemical symbol is P
2
Its chemical symbol is Mg
3
Its chemical symbol is Al
4
Its chemical symbol is Cl
5
Its chemical symbol is F
6
Its chemical symbol is Be
7
Its chemical symbol is N
8
Its chemical symbol is H
9
Its chemical symbol is Si
10
Its chemical symbol is S
11
Its chemical symbol is Na
12
Its chemical symbol is He
13
Its chemical symbol is Li
14
Its chemical symbol is B
15
Its chemical symbol is C
16
Its chemical symbol is O
17
Its chemical symbol is Ar
18
Its chemical symbol is Ne
