Molecular compounds are usually formed by the combination between :
(a) a metal and a non-metal
(b) two different non-metals
(c) two different metals
(d) any two gaseous elements

Give examples for the following:
(a) Ionic chlorides of two different divalent metals.
(b) Two solid covalent compounds.
(c) Two liquid non-polar compounds.
(d) Two gaseous polar compounds.
(e) Two gaseous non-polar compounds.

What type of compounds are usually formed between metals and non- metals?

Name:

(a) two metals which are liquid at room temperature,

(b) metal which do not corrode easily

(c) a metal which lacks ductility,

(d) a non-metal which is lustrous,

(e) a non-metal which conducts electricity,

(f) a metal which is brittle,

(g) two elements which are monoatomic,

(h) two metallic oxides which are acidic,

(i) two metallic oxides which are amphoteric,

(j) two metallic which react with cold water,

(k) the compound responsible for green deposit on the surface of copper,

(l) a non-metal which can form a positive ion,

(m) a non-metal which shows reducing property,

(n) a metal whose oxide is reduced only by carbon.