Chemistry Grade 9 Review - 搜索视频

PPT - Grade 9 Chemistry Review PowerPoint Presentation, free download - ID:3108359

PPT - Grade 9 Chemistry Review PowerPoint Presentation, free download - ID:3108359

Grade 9 Chemistry Review. Agenda. Atomic Theory and Atomic Numbers Counting Atoms Physical and Chemical Properties Periodic Table Trends Classifying Matter Physical and Chemical Change. Atomic Numbers. 29 protons, 29 electrons, 35 neutrons 64 protons, 64 electrons, 29 neutrons.

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