Baking soda and vinegar questions

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.

Find the mass, in grams, of 5.00*10^23 molecules of f2

What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays