Any living or nonliving thing is made up of ____. The smallest unit of matter is an ____. The same type of atoms make up an ____. When two or more atoms are joined together, they make a ____. If the molecule has different kinds of atoms joined together, that is a molecule of a ____. A compound is two or more ____ joined together. An element or a compound is a ____ because they are made up of the same kind of atoms or the same kind of molecules. When you have different kinds of atoms and molecules in the same place but not joined together, you have a ____. A special kind of mixture where you can't see the different parts is a ____.

Classification of Matter

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