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 ▸Can you explain Le Chatelier's Principle?
What is the trend in ionization energy across period 3 in the periodic table?
In terms of the structure and boiling point of graphite, explain why the melting point is high
Molecules of hydrogen chloride, HCl, and molecules of fluorine, F2, contain the same number of electrons. Hydrogen chloride boils at –85 °C and fluorine boils at –188 °C. Explain why there is a difference in the boiling points of HCl and F2.