Chemistry Chapter 4 Vocab

Stuff about quantum waves etc

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electromagnetic radiation
a form of energy that exhibits wavelike behavior as it travels through space
electromagnetic spectrum
All the forms of electromagnetic radiation
excited state
a state in which an atom has a higher potential energy than it has in its ground state
frequency
The number of waves that pass a given point in a specific time, usually one second
ground state
The lowest energy state of an atom
photoelectric effect
The emission of electrons from a metal when light shines on the metal
photon
A particle of electromagnetic radiation that has zero rest mass and carries a quantum of energy
quantum
The minimum quantity of energy that can be gained or lost by an atom
wavelength
The distance between corresponding points on adjacent waves
angular momentum quantum number
The quantum number that indicates the shape of the orbital
Heisenberg uncertainty principle
It is impossible to determine simultaneously both the position and velocity of an electron or any other particle
magnetic quantum number
The quantum number that indicates the orientation of an orbital around the nucleus
orbital
A three-dimensional region around the nucleus that indicates the probable location of an electron
principal quantum number
The quantum number that indicates the main energy level occupied by the electron
quantum number
A number than specifies the properties of atomic orbitals and the properties of electrons in orbitals