If an atom of sodium has 11 protons, what is its approximate atomic mass?

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.

Arecipe calls for 1.2 cups of oil. how many liters of oil is this?

What term describes technology that operates on an atomic level