Which of the following statements are correct?

CHEMISTRY · Multi correct · CBSE · Chemistry · Classification of Elements and Periodicity in Properties · Classification of Elements and Periodicity in Properties

Problem

Which of the following statements are correct? (1) F is the most electronegative and Cs is the most electropositive element. (2) The ionisation energy of halogens decreases from F to I. (3) The electron affinity of Cl is higher than that of F, although their electronegativities are in the reverse order. (4) The electron affinity of noble gases is almost zero.

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