Question

The valency of Na is 1 not 7. give reason.​

Answer 1

Answer:

Na has 7 electrons in its outer shell thus It is easier for Na to gain one electron rather than to lose 7 to achieve the stable octet. Sodium has 1 electron in its outermost shell. Therefore, it is easier for it to lose 1 electron instead of gaining 7 electrons. Thus, the valency of sodium is 1 not 7.

Answer 2

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Reason :

Na has 7 electrons in its outer shell thus It is easier for Na to gain one electron rather than to lose 7 to achieve the stable octet. Sodium has 1 electron in its outermost shell. Therefore, it is easier for it to lose 1 electron instead of gaining 7 electrons. Thus, the valency of sodium is 1 not 7.

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