How does bohr's model of the atom differ from rutherford's?

If 200.0g of copper(ll) sulfate react with an excess of zinc metal, what is the theoretical yield of copper

How many molecules are found in 1.32 mol of nacl?

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.