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Chapter 5 (Ellie Ward) (Electron Configurations (4s 4p 4d 4t, 5s 5p 4d 5t,…
Chapter 5 (Ellie Ward)
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Quantum Mechanical Model
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Atomic Orbitals
Principal Energy Levels
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n=4//4 Sublevels//4s (1 orbital), 4p (3 orbitals), 4d (5 orbitals), 4f (7 orbitals)
n=2//2 Sublevels//2s (1 orbital), 2p (3 orbitals)
n=3//3 Sublevels//3s (1 orbital), 3p (3 orbitals), 3d (5 orbitals)
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The Principles and rules
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Hund's Rule
One electron enters each orbital until all the orbitals contain one electron with the same spin direction
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Electromagnetic spectrum
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Added Energy
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Atomic Emission Spectra
When Atoms absorb energy, electrons move into higher energy levels. They will then lose energy and emit light when they return to lower energy levels.