Edexcel IGCSE Chemistry 复习笔记 1.9.1 Explaining Conductivity
Edexcel IGCSE Chemistry 复习笔记 1.9.1 Explaining Conductivity Conductivity of Covalent Compounds Electric current is the flow of charged particles This usually refers to electrons, but it c...
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Edexcel IGCSE Chemistry 复习笔记 1.8.1 Metallic Bonding
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