Element name
What is O2
Oxygen
Florine
Halogen
Hydrogen
1
1
Iodine
5
What is Al
Aluminum
Iron
Transition metal
Iron
26
Magnesium
2
Carbon
2
What is H2
Hydrogen
Potassium
Alkai metal
Boron
5
Zinc
12
Nickel
4
What is Br
Bromine
carbon
other nonmetals
Sulfer
16
Nitrogen
15
Iron
4
What is Zn
Zinc
Iodine
Halogens
Calcium
20
Oxygen
16
Aluminum
3