Pearson Edexcel IAL Chemistry AS 2.4 Subatomic particles in atoms & ions
Pearson Edexcel IAL Chemistry AS 2.4 Subatomic particles in atoms & ions
Practise calculating protons, neutrons and electrons in atoms and ions from isotope notation, charge and particle tables.
How this is tested
- complete particle tables for isotopes using atomic number, mass number and charge
- compare atoms with the same mass number but different proton and neutron counts