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A student has an unknown sample. How can spectroscopy be used to identify the sample? It can identify the elements in the sample. It can determine the number of electrons in the sample. O It can determine the ratio of the elements in the sample. It can determine the molecular structure of atoms in the sample.
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Which describes fat? a: a carbohydrate that produces energy b: a nucleic acid that directs cell function c: a lipid that stores energy d: a protein that speeds up a chemical reaction
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Helium decays to form lithium. which equation correctly describes this decay?
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A student has an unknown sample. How can spectroscopy be used to identify the sample? It can identif...
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