An aqueous solution is 3.50% by mass potassium bromide, KBr, and has a density of 1.02 g/mL. The molarity of potassium bromide in the solution is

In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.