Chemistry, 17.12.2019 07:31 glowbaby123
According to the bohr model of an atom, what happens when an electron moves from the second energy level to the third energy level and then back to the second energy level?
Answers: 1
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Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z
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Chemistry, 22.06.2019 09:00
Particles vibrate in a rigid structure and do not move relative to their neighbors.
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Chemistry, 22.06.2019 12:30
If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?
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According to the bohr model of an atom, what happens when an electron moves from the second energy l...
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