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 ]
✓Answer
(a) When Mg reacts with dilute HCl, MgCl2 is formed.
(b) The covalent compound formed when H2 reacts with Cl2 is HCl.
(c) The positive ion produced when ammonia gas is dissolved in water is the ammonium ion.
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