Periodic Table

How to work out the atomic number

How to work out the atomic mass

Hydrogen
Atomic Number?
Atomic Mass?

Helium
Atomic Number?
Atomic Mass?

Lithium
Atomic Number?
Atomic Mass?

Beryllium
Atomic Number?
Atomic Mass?

Boron
Atomic Number?
Atomic Mass?

Carbon
Atomic Number?
Atomic Mass?

Nitrogen
Atomic Number?
Atomic Mass?

Oxygen
Atomic Number?
Atomic Mass?

Fluorine
Atomic Number?
Atomic Mass?

Neon
Atomic Number?
Atomic Mass?

Sodium
Atomic Number?
Atomic Mass?

Magnesium
Atomic Number?
Atomic Mass?

Aluminium
Atomic Number?
Atomic Mass?

Silicon
Atomic Number?
Atomic Mass?

Phosphorus
Atomic Number?
Atomic Mass?

Sulphur
Atomic Number?
Atomic Mass?

Chlorine
Atomic Number?
Atomic Mass?

Argon
Atomic Number?
Atomic Mass?

Potassium
Atomic Number?
Atomic Mass?

Calcium
Atomic Number?
Atomic Mass?