10. calcium fluoride ca
11. sodium nitride
12. magnesium chloride
In formulas

What does x represent in the formula for the compound xcl4?

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 statement best explains the relationship between an area is geography and the temperature of its surface water