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Chemical Formula of Ionic Compounds

The formula o...

Question

The formula of sodium sulphate is Na₂SO₄.
(a) Name the elements present in it.
(b) Write the number of different atoms present in one molecule of this compound.

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Solution

(a) The elements present in sodium sulphate are Na (sodium), S (sulphur) and O (oxygen).
(b) One molecule of this compound contains two atoms of sodium, one atom of sulphur and four atoms of oxygen.

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