QQuestion
Draw the dot and cross structure of the following:
(a) An ionic compound formed when Mg reacts with the dilute HCl.
(b) A covalent compound formed when H2 reacts with Cl2.
(c) The positive ion produced when ammonia gas is dissolved in water.
[ Atomic number: Mg = 12, Cl = 17, H = 1, N = 7 ]


