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Unit 3 (Electron Configurations and Atomic Properties (Atomic levels…
Unit 3
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Energy, Temperature and Heat
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Energy can change form, but energy cannot be gained or lost.
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Energy is kinetic (derived from motion), or potential.
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Flow of Energy
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Specific heat capacity: Energy required to change the temperature of a 1g sample of an object by 1degrC.
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Lewis Structures
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Some molecules (e.g. BF3, NO2, and NO) violate octet rule.
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Atoms and Energy
Rutherford model: Dense nucleus, with electrons consuming the vast majority of the molecule's volume.
Electromagnetic radiation catergorized by wavelength, frequency. Stream of energy subdivided into 'packets'.
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