WOULD GIVE BRAINLIEST would atoms from nonmetals further to the right in a period be more reactive or less reactive and why?

Nonmetal halogen family atmoic mass 35

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.

Which characteristics can be used to differentiate star systems? check all that apply.