Account for the following: Elements of group 17 are monovalent. – InterviewSolution

InterviewSolution

1.	Account for the following: Elements of group 17 are monovalent.
Answer» Solution :Group 17 elements have 7 VALENCE ELECTRONS. By gaining one electron, they attain the noble GAS CONFIGURATION. Since valency is defined as the NUMBER of electrons required to gain noble gas configuration, valency of group 17 elements is one, i.e., they are monovalent.

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