Question

1. Write down the formulae of
sodium oxide
aluminium chloride
sodium suphide
magnesium hydroxide​

Answer 1

Answer:

NaO

AlCl3

Na2S

Mg(OH)2

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Answer 2

Answer:

formula of sodium oxide is Na2O.

Aluminium chloride is an ionic compound made up of aluminium ions and chloride ions. Aluminium Ion has a valency of 3+ whereas chloride Ion has a valency of1-. Hence, the formula of aluminium chloride is AlCl3

formula of sodium sulphide is Na2S.

formula of magnesium hudroxide is

Mg(OH)2