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chapter 3.3a (isotopes) (BobKChemistry) View |
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GCSE Physics - Atomic Structure, Isotopes u0026 Electrons Shells #32 (Cognito) View |
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iGCSE / GCSE Chemistry: Isotopes Explained (3.3) (IGCSE World) View |
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3.3 2 Isotopes u0026 Average Atomic Mass (Clark Whitney) View |
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3.3 Counting Atoms (1/2) (Peer Vids) View |
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Nuclide Symbols: Atomic Number, Mass Number, Ions, and Isotopes (Professor Dave Explains) View |
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Atomic Mass: How to Calculate Isotope Abundance (Tyler DeWitt) View |
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Unit 3.3: Isotopes and Average Atomic Mass Calculations (Irvington Flipped Chemistry) View |
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3 Isotopes (WACE Chem) View |
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Intro to Chemistry: 2.3 Isotopes and Average Atomic Mass (2/2) (Jon Bergmann) View |