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The bright lines visible in the emission spectrum of an element represent?

A.the energy released by electrons falling back to a ground state.

B.the colors seen when the element is viewed through a prism at room temperature.

C.the number of protons and neutrons present in the nucleus of the atom.

D.Other:

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Answer:

When certain chemicals were heated in Bunsen's burner, characteristic bright lines appeared. Emission lines refer to the fact that glowing hot gas emits lines of light, whereas absorption lines refer to the tendency of cool atmospheric gas to absorb the same lines of light.

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