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==Key Stage 4==
===Meaning===
[[File:AbsorptionSpectrum.png|right|300px400px|thumb|The [[Absorption Spectra|absorption spectrum]] of several [[element]]s within one [[sample]].]]
'''Absorption spectra''' are the specific [[wavelength]]s of [[light]] [[Absorb (Physics)|absorbed]] by the [[electron]]s in [[atom]]s as they gain [[energy]].