Predict the valence of following elements (A)atom number 5,(B)atom number 12,(C)atom number 14(,D)atom number 17
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Valence electron
less such an electron has the properties of a valence electron. Thus, although a nickel atom has, in principle, ten valence electrons (4s2 3d8), its oxidation
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we know electrons are filled by 2,8,8
so,
a) 2,3. valency-3
similarly
b)2
c)4
d)1
so,
a) 2,3. valency-3
similarly
b)2
c)4
d)1
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