how to find valency of compound such as SO4, NH3,etc
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you can find valency with the help of electronic configuration
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Answer:
valency of SO4 =2
valency of NH3=3
Explanation:
Lets assume that SO4 combined with hydrogen
H2SO4
=we know that
valency of H is 1
so, 1×2 + x = 0
= x = -2
if you do in the same way you ll gel valency of NH3 as 3
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