Question

Show the formation of chemical formula of compounds using their ions of (1) ammonium sulphate (2) magnesium nitrate (3) aluminium sulphide

Answer 1

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Answer 2

1. Symbol:    NH₄    SO₄
Valency :       1          2
Formula : (NH₄ )₂ SO₄

2. Symbol:   Mg     NO₃
Valency :      2         1
Formula : Mg(NO₃)₂

3. Symbol:    Al      S
Valency :       3       2
Formula : Al₂ S₃



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