Which of the following is the an example of a compound?
a. CO
b. Co
c. Mg
d. K+B

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.

The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation

Geothermal energy for industrial use is available almost anywhere. a.true b.false