What is the best reason for the difference in properties of lici and c6h14o

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 is bromine+calcium iodide--> calcium bromide +iodine balanced

If an atom has 12 protons and 13 neutrons