Show the formation of magnesium chloride from magnesium and chlorine by the transfer of electrons.

45 Write down the electron arrangement in (i) a magnesium atom, and (ii) a chlorine atom. 45 How many electrons are there in the valence shell of (i) a magnesium atom, and (ii) a chlorine atom ? 45 State whether magnesium chloride will conduct electricity or not. Give reason for your answer. 45 Why are covalent compounds generally poor conductors of electricity?