1.

The formula of magnesium oxide is Mgo. State the formula of barium nitrate and bariumsulphate, if barium belongs to the same group as magnesium.

Answer»

The group of Magnesium and barium is same.

So, the valency of barium is +2 and the valency of nitrate is -2.

So, the formula of barium nitrate of BaNO3.

On other hand the valency of the sulphate is -2, so the formula of the Barium sulphate is BaSO4.



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