abdulkareemabd19
abdulkareemabd19 abdulkareemabd19
  • 01-10-2021
  • Chemistry
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some elements have variable valencies .give reason​

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aayushma0704
aayushma0704 aayushma0704
  • 01-10-2021

Answer:

Some elements have variable valencies because of the different electronic configurations. An atom of an element can sometimes lose more electrons than are present in its valence shell i.e. loss from the penultimate shell and hence exhibit more than 1 or variable valency.

Explanation:

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