Question

What does it mean, the energy levels for the electrons in an atom are quantized and what evidence exists to justify this?

Answer 1

Answer:

Quantized energy means that the electrons can possess only certain discrete energy values; values between those quantized values are not permitted. Because only certain photons are emitted, we know that only certain energy changes are occurring. This means that the hydrogen atom must have certain discrete energy levels.The uniformity of the emission and absorption spectra are evidence for atomic energy levels.

Explanation:

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