An element X has a valency 4. Write the formulae for its :- 2 (a) Oxide (b) Chloride (c) Sulphate (d) Nitrate
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Carbon has a valency of 4,,carbon is the element X.
a.Oxide = O^-2
b.Chloride = Cl-
c.Sulphate = SO^↑2↓4-
d.Nitrate = NO^↓3-
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