BackYear 9 Chemistry: Scientific Investigations, Materials, and Chemical Reactions
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Physical & Chemical Changes
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01:52
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03:42
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01:52
Chemical Properties
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01:34
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03:31
The Atom
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02:53
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02:10
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02:52
Subatomic Particles
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05:19
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03:31
Radioactive Half-Life
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04:26
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01:30
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00:55
Alpha Decay
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03:53
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02:48
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01:22
Beta Decay
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01:21
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03:01
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01:02
Gamma Emission
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02:16
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01:35
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01:21
Law of Conservation of Mass
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01:20
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01:48
Periodic Table: Classifications
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01:12
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02:40
- Guided course
03:37