Structure of Matter
Atoms, molecules, elements and compounds
📝 Lessons (레슨 목록)
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1.1
Atoms and Elements (원자와 원소)
🏷️ atom, element, proton, neutron, electron, atomic number, mass number
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admin | 👁️ 4 | 🎯 1 | 2026-02-22 16:53:44 |
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1.2
The Periodic Table (주기율표)
🏷️ periodic table, element, group, period, metal, nonmetal, metalloid, alkali metal, halogen, noble gas
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admin | 👁️ 2 | 🎯 1 | 2026-02-22 16:53:44 |
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1.3
Molecules and Compounds (분자와 화합물)
🏷️ molecule, compound, chemical bond, covalent, ionic, diatomic, polyatomic
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admin | 👁️ 0 | 🎯 1 | 2026-02-22 16:53:44 |
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1.4
Chemical Formulas (화학식)
🏷️ chemical formula, subscript, coefficient, molecular formula, empirical formula
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admin | 👁️ 0 | 🎯 1 | 2026-02-22 16:53:44 |
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1.5
States of Matter (물질의 상태)
🏷️ solid, liquid, gas, plasma, phase change, melting, freezing, vaporization, condensation
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admin | 👁️ 0 | 🎯 1 | 2026-02-22 16:53:45 |
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1.6
Properties of Matter (물질의 성질)
🏷️ physical property, chemical property, density, solubility, conductivity, intensive, extensive
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admin | 👁️ 0 | 🎯 1 | 2026-02-22 16:53:45 |
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1.7
Atomic Structure and Isotopes (원자 구조와 동위원소)
🏷️ atomic structure, nucleus, electron shell, isotope, atomic notation, mass number, valence electron
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admin | 👁️ 0 | 🎯 1 | 2026-02-22 16:53:45 |
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1.8
Chemical Bonding (화학 결합)
🏷️ chemical bond, ionic bond, covalent bond, metallic bond, valence electrons, octet rule, ion
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admin | 👁️ 0 | 🎯 1 | 2026-02-22 16:53:45 |