Which pair of elements has the most similar chemical properties? a. P and As
b. As and Se
c. C and F
d. Li and Be

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

What would happen to a volleyball left outside in the winter? o o o o a. it would expand. b. it would lose air. c. it would shrink. d. it would explode.