- Created by: Hannah Kent
- Created on: 24-01-12 11:37
Mass number=Total number of protons and neutrons.
Isotopes contain the same number of protons and electrons as the atom but have a different number of neutrons.
Relative Atomic Mass
Relative atomic mass= mass number.
Relative Formula Mass
Relative Formula Mass= All of the masses of the formula added in formula. Which= One mole of the substance.