Which of the following statements is true? the moon generates its own light.
the whole moon is lit by the sun at the same time.
there is no day or night on the moon.
only half the moon is lit by the sun at any one time.

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.