Show the formation of NaCl from sodium and chlorine atoms by the transfer of electron(s).

42 Write down the electronic configuration of (i) sodium atom, and (ii) chlorine atom. 42 |How many electrons are there in the outermost shell of (i) a sodium atom, and (ii) a chlorine atom? 42 Why has sodium chloride a high melting point? 42 Name the anode and the cathode used in the electrolytic refining of impure copper metal.