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CBSE Class 10 Answered

valency
Asked by borkarantriksh | 14 Apr, 2009, 08:07: PM
answered-by-expert Expert Answer

To find out valency you have to write atomic number and then electronic configuration ,after that

1)if no of outer most shell electrons are upto 4,then valency is equal to no of outer most electron.

2)if no of outer most shell electrons are greater than 4,then valency is equal to 8 - no of outer most electron.

Answered by | 15 Apr, 2009, 09:56: AM

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