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Question

Condition for the formation of a covalent bond :
  1. atoms should have two or more electron in their outermost shell
  2. atoms should have four or more electrons in their outermost shell
  3. atoms should have three or more electrons in their outermost shell.
  4. None of the above

A
atoms should have two or more electron in their outermost shell
B
atoms should have three or more electrons in their outermost shell.
C
atoms should have four or more electrons in their outermost shell
D
None of the above
Solution
Verified by Toppr

For the formation of covalent bond, each of the two combing atoms should have 5,6 or 7 electrons in their valence shells or the outermost shells.

In such cases, both the atoms achieve the stable octet by sharing 3,2 or 1 electron pair respectively.

The nonmetals of groups VA,VIA and VIIA respectively satisfy this condition and hence they are capable of covalent-bond formation.

Hence the correct option is B.

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