the electronic configuration of four elements a b c d are as follow.
A 2,8,5
B 2,8,1
C 2,3
D 2,8,6
which of these elements are metals?
which of these elements are non metals?
which of these will form anion? which of this will form cation?
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Element ''B'' is metal
Elements ''A''. ''C''. ''D''. are non-metals.
Elements ''A'' and ''D'' will form Anion
Elements ''B'' and ''C'' will form Cation
A) Phosphorous
B) Sodium
C) Boron
D) Sulphur
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