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Chemistry & Environmental Dictionary
Quantum - Quantum Number
Quantum
The tiniest amount of physical energy that can exist independently, especially a finite amount of electromagnetic radiation.
Quantum (wave) Mechanics
A branch of physics that describes the wave properties of subatomic particles mathematically.
Quantum Number
The basic unit of electromagnetic energy. This characterizes the wave properties of electrons, as distinct from their particulate properties. This determines the principle energy level of an electron.
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