Match the chemical formulae with the corresponding compounds-Sodium chlorideLithium oxideAluminium oxideHydrogen bromide

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Naming of Ionic Compounds

Match the che...

Question

Match the chemical formulae with the corresponding compounds.

Sodium chloride

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Lithium oxide

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Aluminium oxide

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Hydrogen bromide

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Solution

Sodium chloride: Symbol of sodium is Na and its valency is 1; symbol of chlorine is Cl and its valency is 1. Criss-crossing the valencies, the formula of the compound will be $NaCl$ .

Lithium oxide: Symbol of lithium is Li and its valency is 1; symbol of oxygen is O and its valency is 2. Criss-crossing the valencies, the formula of the compound will be ${Li}_{2} O$ .

Aluminium oxide: Symbol of aluminium is Al and its valency is 3; symbol of oxygen is O and its valency is 2. Criss-crossing the valencies, the formula of the compound will be ${Al}_{2} O_{3}$ .

Hydrogen bromide: Symbol of hydrogen is H and its valency is 1; symbol of bromine is Br and its valency is 1. Criss-crossing the valencies, the formula of the compound will be $HBr$ .

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