Aminute sample of alcl3 is analyzed for chlorine. the analysis reveal that there are 12 chloride ions present in the sample. how many aluminium ions must be present in the sample

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.

Witch two conditions can limit the usefulness of the kinetic molecular theory in describing gas behavior?

How many energy levels contain electrons in an atom of zirconium (zr)?