How to get sulphate ion minus 2 change?
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atomic no of sulphur is 16
so we find out valency of sulphur
k=2,l=8,m=6 so those ions whose last electron is 5,6,7 they receive charge from other
so in sulphur last ions is 6 so they receive 2h charges from other.
so sulphur has 2 minus charge
so we find out valency of sulphur
k=2,l=8,m=6 so those ions whose last electron is 5,6,7 they receive charge from other
so in sulphur last ions is 6 so they receive 2h charges from other.
so sulphur has 2 minus charge
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