Answer: It is B.) 1s^22s^12p^1
Explanation: mind giving me brainliest? :)
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❖ J.J Thomson was the first to discover atoms. He discovered atoms in 1897.
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B the app and then it was just a was the last time you got it to a friend or we
The wavelengths of light that an atom gives off when an electron falls to a lower energy level corresponds to Emission spectrum , Option D is the correct answer.
<h3>What is Emission Spectrum ?</h3>
Light is absorbed or emitted when an electron jumps or falls into an energy level.
The energy of light absorbed or emitted is equal to the difference between the energy of the orbits.
Therefore , the wavelengths of light that an atom gives off when an electron falls to a lower energy level corresponds to Emission spectrum.
To know more about Emission Spectrum
brainly.com/question/13537021
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