A compound whose water solution conducts electricity and turns phenolphthalein pink is

Which statement is true about ionic compounds?

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

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.