(a(i))[1]
an alloy
(a(ii))[1]
a substance which conducts electricity only in the molten state or in aqueous solution
(a(iii))[1]
a giant covalent structure
(a(iv))[1]
a compound produced as a product in a hydrogen-oxygen fuel cell
(a(v))[1]
a compound having a high melting point
(a(vi))[1]
a gas responsible for the increase in global warming.
(b)[2]
Complete Fig. 1.2 so that it shows the dot-and-cross diagram for structure C. Show only the outer-shell electrons.