CBSE Class 9 Answered
what is valency?
Asked by deryanpradyuman89 | 24 Dec, 2018, 03:57: PM
Expert Answer
Valency is the combining capacity of an atom.
If the number of electrons in the outermost shell is four or less than four then it is the valency of that atom.
Otherwise, the valency is eight minus the number of electrons in the outermost shell.
If you know the number of electrons in the outer shell then you can calculate the valency.
Answered by Varsha | 24 Dec, 2018, 04:42: PM
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