Chemistry, 05.07.2019 13:30 lydialinton23
How can line spectra be used to evaluate what elements are in an unknown sample? a. energy levels differ between elements b. electrons are emitted at different wavelengths c. there is a direct relationship between λ and ν d. spectra are not useful
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The half-life of a certain element is 100 days. how many half-lives will it be before only one eighth of this elementremains?
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How does the kinetic energy of a substance's particle in the solid phase compare to their kinetic enegy in the liquid phase?
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Use the periodic table to classify each of the elements below. cadmium (cd): vanadium (v): xenon (xe): iodine (i): potassium (k): strontium (sr):
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How can line spectra be used to evaluate what elements are in an unknown sample? a. energy levels...
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