1) Is anything that takes up space and has mass a) Molecules b) Atoms c) Matter 2) Are pure substances that cannot be separated into simpler substance by physical or chemical means, are organized in the periodic table a) Compounds b) Elements c) molecules 3) Are pure substances composed of two or more elements joined by chemical bonds a) Compounds b) Mixtures c) Elements  4) It is a combination of two or more substances a) mixture b) Compound c) Element 5) A type of mixture that consists of visibly different substances. a) Compound b) homogenous mixture c) heterogenous mixture 6) Water (H2O) is a/an… a) Compound b) Element c) Distillation 

pure substances and mixtures

由
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？