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Chemistry, 22.06.2019 02:00
In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al
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Chemistry, 23.06.2019 18:20
Ahydrogen electron is elevated from level 1 to level 2. another electron is elevated from level 2 to level 4. the transition requiring the greatest energy change is?
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Chemistry, 23.06.2019 22:30
What does hund's rule state? a. an orbital can contain two electrons only if the electrons have opposite spins. b. an orbital can contain two electrons only if all other orbitals at that sublevel are empty. c. an orbital can contain two electrons only if the electrons have different energy levels. d. an orbital can contain two electrons only if all other orbitals in that sublevel contain at least one electron.
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