Which will form (a) Cation (b) Anion and why? (i) A(Atomic no.=20) (ii) B(Atomic no.=16)
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Answer: 20 atomic number is calcium and 16 is sulphur
Cation is calcium because its valency is +2 and it is a metal
While sulphur forms anion because its valency is -2 and it's a non metal
Explanation:
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