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QUESTION
below arediagramsforthebrightline(akaatomicemission)spectraoffourelementsandthespectrumofamixtureofunknowngases.
below are diagrams for the bright line (aka atomic emission) spectra of four elements and the spectrum of a mixture of unknown gases.
Which element(s) are NOT present in the unknown?
Which element(s) ARE present in the unknown?
