Deduce which of Na+ and Mg2+ is the smaller ion. Explain your answer.

mg2+ would be the smaller ion this is because each ion has the same number of electrons however mg2+ has a greater number of protons and therefore is more charge dense and the outer electrons feel a greater pull from the nucleus. 

MC

Related Chemistry A Level answers

All answers ▸

Explain the relative resistance to bromination of benzene compared with alkenes.


Explain trend in why the ionisation energies increase across the period


How can you determine the shape of water?


Explain why the enthalpy of lattice dissociation of potassium oxide is less endothermic than that of sodium oxide. ( 2 Marks)