Pluchino –Regents Chemistry Atomic History & Electron Configuration –02 Nature of Light Aim:Is light a particle or a wave? Do Now:Make a list of all the facts you know about light. Electromagnetic SpectrumBehavior of Light Generally, light travels in a wave form: c = Speed (c):light travels at 3.00x108m/s Wavelength ():distance from crest to crest (nm) Frequency():how fast a wave oscillates up and down (hertz) When white light is passed through a spectrum all the colors are observed: When elements are excited in the gaseous phase, only certain colors are observed.
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