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 ▸How can you work out, using the changes in oxidation numbers, which compound out of KCl, KBr and KI has the greatest reducing power?
Why do ionic compounds like NaCl conduct electricity when dissolved but not when they’re solid, whereas metals conduct electricity when they’re solid?
Explain in detail what do you understand by catalyst, what makes them so useful and give two example of catalytic processes including the name catalyst used.
What is the rate of a reaction and how can you determine it experimentally?