An element y forms an oxide whose chemical formula is Y2O3
a)state the valency of y
b)write the chemical formula of its: (1)Sulphate and (2)Chloride?
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Answered by
14
Valency of y is 3 1. Y2O3 2.YCl3
Answered by
25
a) Valency of y=+3
b)1)Y2({SO4}3
2)YCl3
b)1)Y2({SO4}3
2)YCl3
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