Question: Two elements, A and B, have the electron configurations shown. (a) Which element is a metal? (b) Which element has the greater ionization energy? (c)

Two elements, A and B, have the electron configurations shown.

A = [Kr]4s B =[Ar]3d04s4p5

(a) Which element is a metal?

(b) Which element has the greater ionization energy?

(c) Which element has the larger atomic radius?

(d) Which element has the greater electron affinity?

A = [kr]4s B = [Ar]3d04s4p5

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