Question

1)Which of the following elements (S, Se, and Cl) has the largest atomic radius?

2)Which has the larger radius, Br (bromine) or Br^- (bromide)?

3)Which has the largest ionization energy: N, P, or As?

4)Which of the following (K, Sr, C) has the largest electron affinity?

5) What is the trend in sizes of the ions Al³⁺, F^-, Ge²⁺, and V⁵⁺ (from largest ion (1) to smallest ion (4))?

1234	F-
1234	Ge2+
1234	Al3+
1234	V5+

6) Which ions in the following list are not likely to form (check all that apply)?

	F2-
	Se2-
	Cs+
	K+

7) List the order of increasing metallic characteristics for the elements (1 = least metallic to 5 = most metallic).

12345	Br
12345	Se
12345	Sb
12345	Si
12345	Ca