Answer
See the answer below.
Work Step by Step
a) Group 15, Period 3: Phosphorus
b) Group 2, earliest period, since radius increases from top down in the periodic table: Beryllium
c) Earliest period, since ionization energy increases from bottom up in the periodic table: Nitrogen
d) Lost the two 5s electrons, Group 7, Period 5: Technetium
e) From figure 7-10: Chlorine
f) Group 12, Period 4: Zinc