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Valencies or charges of some ions are given below:
Ions
Valency/charge
Aluminium ion
3+
Nitride ion
3–
Magnesium ion
2+
Sulphate ion
2–
Fluoride ion
1–
Potassium ion
1+
Using the above information, write down the chemical formulae of the following:
(i) Aluminium nitride (ii) Magnesium nitride
(iii) Aluminium sulphate (iv) Potassium fluoride
(v) Magnesium fluoride (vi) Potassium nitride.
