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 ▸What is the trend in the first ionisation energy of the peroid 3 elements from sodium to argon.
What evidence is there for delocalisation in benzene?
Define entropy and explain how the entropy of an ice cube could be increased.
"A chromium compound contains 28.4% sodium and 32.1% chromium by mass, while the rest is oxygen. What is the empirical formula of this compound?"