Question

Arrange the following elements:
1)Cl, S, Al, Na(Decreasing order of ionization energy)
2) Ar, He, Ne(increasing order of their electron shell)
3)Li, F,C,O(increasing order of their electron affinity)

Answer 1

Explanation:

Increasing order of number of electron shells: He, Ne, Ar

(ii) Increasing order of electron affinity: Li, C, O, F

Increasing order of ionisation potential : Cl, S, Al. Na.

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