Question

In general, which of the following is definitely true for elements A and B which occur in the same group of the periodic table and B occurs below A? Atomic number of B > atomic number of A

Atomic size of B < atomic size of A

ionization energy of B > ionisation energy of A

Electron affinity of B > electron affinity of A​

Answer 1

Answer:

I think B is the right answer

Explanation:

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