A student prepares a solution of potassium nitrate KNO3 containing 95 g dissolved at 40degrees Celsius. This solution is A)saturated
B)supersaturated
C) unsaturated
D)none of the above

What is the standard unit of measure for acceleration?

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

What type of matter is made of only one kind of atom