Proton - Positive Charge, Electron - Negative Charge, Neutron - No Charge/Neutral, Nucleus - Center of the atom, Electron Cloud - Energy levels that surround the nucleus, Matter - Anything that takes up space or has mass, Atom - Smallest particle into which an element can be divided into ,

Parts of the Atom

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嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?