Consider the two electron arrangements for neutral atoms a and b. the outer electron of atom b has moved to a higher energy state. what would cause this difference?

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.

0.09 moles of sodium sulfate in 12 ml of solution

No copying 15 pts how does a free-body diagram tell you about the net force on an object?