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Watch Later 4:25

2122-oct-sat-test-q-4b

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2122-oct-sat-test-q-4a

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2122-oct-sat-test-mc-13

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2122-oct-sat-test-mc-12

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2122-oct-sat-test-mc-10

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2122-oct-sat-test-mc9

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Chapter 7.4 ionic bond and ionic compound

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Chapter7.2 Formation ions from atoms

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Chapter7.2 由原子生成離子

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