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What evidence do we have that energy levels in an atom are quantized? State and explain the evidence.
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What evidence do we have that energy levels in an atom are quantized? State and explain the evidence.

User Jaminguy
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Answer:

The first evidence of quantization in atoms was the observation of spectral lines in light from the sun in the early 1800s by Joseph von Fraunhofer and William Hyde Wollaston.

Step-by-step explanation:

User Jessie Lesbian
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