Ch 4 Section 18 Word Scramble
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Question | Answer |
The wave function for an atom simultaneously depends on/describes | all the electrons in the atom |
Aufbau principle | Each atom is built up by 1. adding the appropriate #s of protons and neutrons in the nucleus as specified by the atomic # & mass #, and 2. adding the necessary number of electrons into orbitals in the way that gives the lowest total energy for the atom |
Pauli Exclusion principle | No 2 electrons in an atom may have identical sets of 4 quantum numbers. |
Hund’s Rule | Electrons occupy all the orbitals of a given subshell singly before pairing begins. These unpaired electrons have parallel spins. |
Paramagnetism and Diamagnetism | Because 2 electrons in the same orbital must be paired, it is possible to calculate the number of orbitals and the number of electrons in each n shell. The number of orbitals per n level is given by n2. The maximum number of electrons per n level is 2n |
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