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An Element X of Valency 3 Combines with Another Element Y of Valency 2. What Will Be the Formula of the Compound Formed ? - Science

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Short Note

An element X of valency 3 combines with another element Y of valency 2. What will be the formula of the compound formed ?

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Solution

Valency of element X = 3
Valency of element Y = 2

Elements : X Y

Valencies : 3 2

Formula for the compound formed between X and Y can be worked out by crossing the valencies of the constituent elements.

Therefore, formula of the compound is X2Y3.

Concept: Chemical Formula Or Molecular Formula
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APPEARS IN

Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 3 Atoms and Molecules
Short Answers | Q 17 | Page 151

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