Question

Ion
2) What is an ion? How
) The valencies (or charges) of some of the ions are given below:
Ion
Valency
Valency
(Charge)
(Charge)
Sodium ion
1+
Bromide ion
1-
Ammonium ion 1+
Hydroxide ion 1-
Calcium ion
2+
Sulphate ion
2-
Lead ion
2+
Phosphate ion 3-
Using this information, write down the formulae of the following comp
(1) Sodium phosphate
(ii) Ammonium sulphate
jin) Calcium hydroxide
(iv) Lead bromide
​

Answer 1

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