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Chemistry - Unit 2

Unit 2 Vocabulary

TermDefinition
Electromagnetic Spectrum The range of frequencies of electromagnetic radiation and their respective wavelengths and photon energies.
Bohr Model A system consisting of a small, dense nucleus surrounded by orbiting electrons.
Ground State The lowest energy state of an atom.
Excited State A state of an atom that is higher in energy than the ground state.
Wavelength The spatial period of a periodic wave - the distance over which the wave's shape repeats.
Frequency The number of waves that pass a fixed point in unit time.
Photon A particle representing a quantum of light or other electromagnetic radiation.
Spectral Lines A dark or bright line in an otherwise uniform and continuous spectrum, resulting from emission or absorption of light in a narrow frequency range, compared with the nearby frequencies.
Created by: HannahHonig
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