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Which electron arrangement for the outer shell electrons in a covalent compound is correct?

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Question

Which electron arrangement for the outer shell electrons in a covalent compound is correct?

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MCQ
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Solution

Explanation:

This structure accurately shows the stable configuration of ammonia (NH3). The central nitrogen atom completes its stable octet with 8 valence electrons, while each surrounding hydrogen atom achieves its stable duplet with 2 shared electrons.
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Chapter 2: Chemical Bonding - EXERCISE [Page 43]

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Lakhmir Singh Chemistry [English] Class 10 ICSE
Chapter 2 Chemical Bonding
EXERCISE | Q 20. | Page 43
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