Question

Write the anions and cations of:
i) Ammonium chloride
ii)Copper sulphate
iii) Magnesium oxide.​

Answer 1

Cation-  NH₄+

Anion- Cl-¹

Cation- Cu+²

Anion-SO₄-²

Cation- Mg+²

Anion-O-²

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Answer 2

Answer:

I. Ammonium chloride is a molecule made up of an ammonium (NH+4) cation and a chloride (Cl−) anion. As you can see, the charges of these ions are opposite and in equal amounts, and so one ammonium ion will cancel out one chloride ion in terms of charge.

II.The CuSO4 molecule consists of an ionic bond between the copper cation (Cu2+) and the sulfate anion (SO42-).

III.The formula of magnesium oxide is MgO. The cation and anion which constitute the molecule, are Ma2+andO2-ions.

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