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An atom with eight electrons in its outer shell has a valency of:
AFive
BNine
CZero
DFour
Answer & Solution
Correct answer: C. Zero
1. Such atoms show little chemical activity.
2. They are the inert elements.
3. Their combining capacity is zero.
_Source: NCERT Class 9 Science, Ch 4 'Structure of the Atom'_
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