Answers

2016-04-24T19:38:51+05:30
the number of replaceable atoms or groups in the molecule of a compound is called atomicity. valency is the property of an element that determines the number of other atoms with which an atom of the element can combine.
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2016-04-24T19:43:36+05:30
No of atoms present in an element is called atomicity
the combining capacity of an element is valency
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