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chem4-1

chapter4-1 test review

QuestionAnswer
electromagnetic radiation form of energy that behaves as a wave as it travels through space.
electromagnetic spectrum all the forms of the electromagnetic radiation
speed of light in a vacuum 3.0*10^8 m/s
wavelength the distance between corresponding points on adjacent waves
frequency number of waves that pass through a point in a specific amount of time
speed of light in the air c= frequency * wavelength
photoelectric effect a metal gives off electrons when light is shown on it
quantum minimum amount of energy that can be lost or gained in an object
plank's constant 60626*10^-3 J.s
dual wave particle of nature of light
particles are known as... photons
photon a particle of electromagnetic radiation with no mass that carries a quantum of energy
ground state lowest energy state
excited state more PE than at ground state
line emission spectrum a series of specific frequenices and wavelengths
Created by: ACC0602MF