gonzalesnik
08.12.2020 •
Chemistry
what is the frequency of light released when electron moves from the second energy level to the first energy level in hydrogen?
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Ответ:
5-2.176 eV
Explanation:
If an electron is in the first energy level, it must have exactly -13.6 eV of energy. If it is in the second energy level, it must have -3.4 eV of energy. An electron in a hydrogen atom cannot have -9 eV, -8 eV or any other value in between.
Ответ:
Hectomerers=hm
Explanation:
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