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Elements || history; Properties ; Types and Natural Occurrence of Elements|| Class 9th Ch 1 (Chemistry Institute) View |
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Chemical Elements and Occurrence |Chapter 1| Chemistry class 9th (Chemistparvez1) View |
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History of Atomic Theory (Professor Dave Explains) View |
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Elements, Atoms, Molecules, Ions, Ionic and Molecular Compounds, Cations vs Anions, Chemistry (The Organic Chemistry Tutor) View |
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What's Inside an Atom Protons, Electrons, and Neutrons! (Tidlybit) View |
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Elements, History, Occurrence and properties part-1 (Concept Clarity) View |
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The Composition of Rocks: Mineral Crystallinity and Bonding Types (Professor Dave Explains) View |
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The Periodic Table: Crash Course Chemistry #4 (CrashCourse) View |
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What is the difference between an Atom, Element, Molecule and Compound (Najam Academy) View |
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The Periodic Table: Atomic Radius, Ionization Energy, and Electronegativity (Professor Dave Explains) View |