Noble Gases
Transition Metals
Halogens
Alkaline Earth Metals
Nonmetals
Alkali Metals
Metalloids
Lanthanides
Other Metals
Actinides
Nonmetals
1
1
H
Hydrogen
6
12
C
Carbon
7
14
N
Nitrogen
8
16
O
Oxygen
15
30.97
P
Phosphorus
16
32.06
S
Sulfur
34
78.97
Se
Selenium