Which of the following is true of chemical properties? (2 points) chemical properties can be both intensive and extensive. chemical properties include properties like flammability and malleability. chemical properties can be studied without changing the chemical identity of the matter. chemical properties describe the potential for the substance to undergo a reaction.

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.