Which set of elements has strong tendency to form cations?

N, O, P

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F, CI, Br

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Be, He, Mg

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Cs, Ba, K

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Solution

The correct option is C Cs, Ba, K
Alkali metals and alkaline earth metals such as Cs, Ba and K are highly electropositive metals with low ionization energy. They attain inert gas configuration on formation of cations. Hence, they have strong tendency to form cations.

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