17. In each pair, which species has the larger radius? a) Fe or Fe 3+ c) O or O

ID: 1017085 • Letter: 1

Question

17. In each pair, which species has the larger radius?

a) Fe or Fe3+ c) O or O2-

b) F- or F d) K+ or Na+

18. Arrange the species in each set in order of increasing ionization energy.

a) Al, P, Si d) Ca, Mg, Sr

b) Ar, He, Ne e) Br, Cl, I

c) Fe, Fe2+, Fe3+

19. Which member of each pair has the greater electron affinity?

a) Ar or Cl c) F or O

b) Br or Cl d) Al or Mg

17. Cation radius always less than the neutral atom

Anion radius always larger than the neutral atom

a) Fe or Fe3+ Fe is larger radius c) O or O2- O2- is larger radius

b) F- or F F- is larger radius d) K+ or Na+ K+ is larger radius

18.

a) Al, P, Si Al<Si<P d) Ca, Mg, Sr Sr<Ca<Mg

b) Ar, He, Ne Ar<Ne<He e) Br, Cl, I I<Br<Cl

c) Fe, Fe2+, Fe3+ Fe<Fe+2 <Fe3+

19.

a) Ar or Cl Cl has the greater electron affinity c) F or O O has the greater electron affinity

b) Br or Cl Cl has the greater electron affinity d) Al or Mg Al has the greater electron affinity

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