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Two Elements X and Y Have Valencies of 5 and 3, and 3 and 2, Respectively. the Elements X and Y Are Most Likely to Be Respectively : - Science

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MCQ

Two elements X and Y have valencies of 5 and 3, and 3 and 2, respectively. The elements X and Y are most likely to be respectively :

Options

  • copper and sulphur

  • sulphur and iron

  • phosphorus and nitrogen

  • nitrogen and iron

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Solution

nitrogen and iron

Elements X and Y, most likely, are nitrogen and iron.

Concept: Symbols Used to Represent Atoms of Different Elements
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APPEARS IN

Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 3 Atoms and Molecules
Multiple Choice Questions | Q 39 | Page 153
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