URGENT Explain in 1 - 2 sentences how emission and absorption spectra can support the theory that electron orbitals are arranged in discrete energy levels.

Each line in the emission spectrum corresponds to a specific amount of energy. This energy is emitted when electrons from higher-energy electron shells transition to a lower-energy shell. ... This is evidence that electrons are found in shells with discrete energy levels .

am i too late?

explanation:

metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

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