7. What is the Molarity of a solution with 7.75 g of BaCl, dissolved in 200.0 ml of water?

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

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.

Identify the missing numbers below to show the result of multiplying the numbers (1.6 × 10-19)(5.0 × 106) = c × 10d