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Electronic Configuration

Find out the ...

Question

Find out the valency of the atoms represented by the figures
(a)

(b)

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Solution

Atom (a) has zero valency as it has 8 electron in its valence shell making the configuration stable.

Atom (b) has valency of -1 as it has 7 electrons in its outermost shell. It can accept 1 electron to achieve octet configuration.

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Electronic Configuration

Standard XII Chemistry

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