Question

The
valency of two elements
is given
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X. Y
+1. +2
What are formulas of their chlorides and carbonate​

Answer 1

Answer:

chloride - Cl carbonate - HCO

Explanation:

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Answer 2

a) The valence number of electrons in X is 1 and in Y is 2.

b) The valency of the element is determined by the number of electrons in the outermost shell . Thus, the valency of element X is 1 and Y is 2.

c) Element X is more metallic than Y.

d) The size of element X is more than Y.

e) The formulae of oxide of element X is X

2

O and Y is YO

The formulae of chlorides of element X is XCl and Y is YCl

2