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Light and Quantized Energy
n/a
10
Chemistry
10th Grade
09/22/2009

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Term
Electromagnetic Radiation
Definition
type of energy that behaves like a wave while traveling through space
Term
Wavelength
Definition
λ (Greek Lambda)
"the shortest distance between equivalent points on a continuous wave"
Term
Frequency
Definition
ν (Greek nu)
how many waves passing a given point in the span of one second.
measured in hertz
Term
Amplitude
Definition
a characteristic of a wave; the height of a wave from its origin to it's crest/trough
Term
Electromagnetic Spectrum
Definition
includes all electromagnetic radiation, separated by wavelength and frequency
Term
quantum
Definition
the smallest quantity of energy that an atom can gain or lose
Term
Planck's Constant
Definition
energy is 6.626 x 10-34 joules x seconds
Term
Photoelectric Effect
Definition
when light of a specific frequency is concentrated on a metal's surface, electrons (photoelectrons) will be released
Term
Photon
Definition
a bundle of energy, or a "particle of electromagnetic radiation with no mass that carries a quantum of energy"
Term
Atomic Emission Spectrum
Definition
the frequencies of the ER waves emitted when the light from an element runs through a glass prism
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