Pick the larger species from each of the following pairs. a. When comparing the two species Pd and Pd2+ the larger of the two is
b. When comparing the two species Se^2- and Sr^2+ the larger of the two is
c. When comparing the two species Sr and Sr^2+ the larger of the two is
d. When comparing the two species N and N^3- the larger of the two is

1. Sr^2+
2. Se^2-
3. Pd^2+
4. Pd
5. Sr^2+
6. N^3-
7. N^3-
N
Sr