I) The general elec iron corifigurac ion for atoms of all elements 1E1 Group 5A is:
ns2np6 h) ns'itp5 ns.np4 d) 1.152nr,' e) usnpi
2) Whu.t is the charge on the monatomic ion olnitrogen, the nitride ion?
i.1) I2 b) c) -1 d) -2 e) -3
3) Which of these species make an Lwelectronic pair: CE, F, Fe3'? a) Ca2f and Fe3' b) 02" arid F c) F and CI-d) Cr and Ca4 e) none of these.
4) Which of these atoms has the smallest radius?
a) Al b) P c) As d) Te e.) Na
5) Which of these elements has the greatest electron affinity (largest positive value)?
a) Mg b) Al c) Si d) P e) S
6) The electron affinity of oxygen is equal to:
a) the ionization energy of 0- b) the ionization energy of 02- c) the second ioniza.tion energy of 0 d) twice the electron affinity of Col-e) none of the
7) Consider the following reaction: 4Li Z Li3Z.. What is [he fortriula for clic compound we substitute magnesium for lithium?
a) Mg?, b) IvIg2Z c) M g7.2 d) M g..3Z c) Mg3Z2