What is an isotope?

Atoms of the same element with different numbers of neutrons 

BS

Related Chemistry GCSE answers

All answers ▸

What is a mole?


Explain why chlorine is more reactive than iodine(3 marks)


Draw a dot and cross diagram to show the bond present in Sodium Chloride (NaCl). State what type of bonding this is and the type of structure this compound forms.


What are the products of the reaction of zinc with hydrochloric acid?