Question

1.
Write down the formulae of
(i) sodium oxide
fii aluminium chloride
(ii) sodium suphide
(iv) magnesium hydroxide
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Answer 1

Answer:

1, Na2O

2, AlCl3

3, Na2S

4, Mg(OH)2

Explanation:

hope this helps you

Answer 2

Answer:

• Sodium oxide is a chemical compound with the formula Na₂O.

• Aluminum chloride (AlCl3) is the main compound of aluminum and chlorine.

• Sodium sulfide is the chemical compound with the formula Na₂S

• Magnesium hydroxide is the inorganic compound with the chemical formula Mg(OH)2.