The actual yield of a chemical reaction is generally

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

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.

Correct relationship between molecular formula and empirical formula