1.
The specific amount of energy an electron in an atom can have.
2.
The smallest discrete amount of energy that can be gained or lost by an atom.
3.
A model of the atom describing electrons as existing in probabilistic regions rather than fixed orbits.
4.
A region in an atom where there is a high probability of finding an electron.
5.
The arrangement of electrons in an atom’s orbitals.
6.
Electrons fill the lowest energy orbitals first before higher ones.
7.
No two electrons in an atom can have the same set of four quantum numbers.
8.
A property of electrons that creates a magnetic moment, with values of +½ or –½.
9.
Electrons occupy degenerate orbitals singly before pairing to maximize total spin.
10.
The height of a wave, related to its energy.
11.
The distance between successive wave crests.
12.
The number of wave cycles that pass a point per second.
13.
The unit of frequency, equal to one cycle per second.
14.
Waves of electric and magnetic fields that travel through space.
15.
The range of different wavelengths of electromagnetic radiation.
16.
The set of wavelengths emitted by an element’s electrons returning to lower energy levels.
17.
The proportionality constant relating energy of a photon to its frequency.
18.
The emission of electrons from a material when light shines on it.
19.
A particle of light carrying a quantum of energy.
20.
The lowest energy state of an atom.
21.
It is impossible to know simultaneously both the exact position and momentum of a particle simultaneously.
