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A compound is a pure substance that consists of atoms of two or more elements joined together. Compounds are formed when atoms of different elements react together. Compounds can be decomposed into elements using chemical means. Most pure substances are compounds. Compounds have a chemical formula.
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Elements, Compounds & Mixtures Worksheet Part 1: Read the following information on elements, compounds and mixtures. Fill in the blanks where necessary. Elements: A pure substance containing only one kind of _____.
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Elements, Compounds & Mixtures Worksheet Part 1: Read the following information on elements, compounds and mixtures. Fill in the blanks where necessary. Elements: A pure substance containing only one kind of _____.
Chemistry Worksheet: Matter #1 1. A mixture (is/is not) a chemical combining of substances. 2. In a compound the (atoms/molecules) are (chemically/physically) combined so that the elements that make up the compound (retain/lose) their identities and (do/do not) take on a new set of properties. 3.
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1) What are the three states of matter? Describe their basic properties. 2) Are the following elements, compounds, homogeneous mixtures or heterogeneous mixtures? 3) Are the following processes chemical or physical properties? 4) Can elements be separated into smaller parts using chemical means? Why or why not?
compound, or mixture. Review: An element contains just one type of atom. A compound contains two or more different atoms joined together. A mixture contains two or more different substances that are only physically joined together, not chemically. A mixture can contain both elements and compounds.
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compounds, molecules of elements, molecules of compounds and mixtures. These models must show that you understand the terms and definitions and concepts correctly.
