how to find the valency of elements..
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Answered by
1
Answer:By multiplying the side number with formula down number
Explanation:
Answered by
1
Explanation:
If the atomic number of an element is 7
then it need 8 electrons to complete the octet
So, the valency of that element is 1
Sometimes, they loose and gain electrons this is called as valency.....
Also by cross multiplication.
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