What determines the atomic number of an atom?
a.
the number of neutrons in two atoms of an element
b.
the number of electrons in the outer layer of any atom
c.
the number of protons in every atom of an element
d.
the number of protons plus the number of neutrons in an atom

While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.