Element - A pure substance made of only one kind of atom, Compound - A substance made up of atoms of two or more different elements chemically bonded, Heterogeneous mixture - A mixture that is not uniform in composition, Homogeneous mixture - A mixture that is uniform in composition; components are evenly distributed throughout the mixture,

PS.8.1.1 Crossword

排行榜

視覺風格

選項

切換範本

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