Which of these statements is true? 1. Electrons reach higher energy levels when they move closer to the nucleus.

Question

Which of these statements is true?

1. Electrons reach higher energy levels when they move closer to the nucleus.

2. An electron can absorb energy only from light.

3. The spectrum of hydrogen consists of all frequencies of radiation.

4. The emission spectrum of each element is unique

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Delwyn 4 years 2021-08-22T16:30:35+00:00 1 Answers 4 views 0

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    2021-08-22T16:32:06+00:00

    I think is number 4

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