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The top documents tagged [basic concepts topic]
Topic 2 Topic 2 In 1782, a French chemist, Antoine Lavoisier (1743-1794), made measurements of chemical change in a sealed container. Development of
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Topic 21
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By 1860, scientists had already discovered 60 elements and determined their atomic masses. The Search for a Periodic Table Periodic Table: Basic Concepts
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Matter that has a uniform and unchanging composition is called a substance, also known as a pure substance. Properties of Matter—Substances Matter—Properties
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John Dalton (1766- 1844), an English schoolteacher and chemist, studied the results of experiments by many other scientists. Dalton’s Atomic Theory Atomic
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Topic 14 Topic 14 Topic 14: The Mole Table of Contents Topic 14 Topic 14 Basic Concepts Additional Concepts
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Topic 2 Topic 2 Topic 2: Atomic Structure Table of Contents Topic 2 Topic 2 Basic Concepts Additional Concepts
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Topic 4 Topic 4 Topic 4: Matter—Properties and Change Table of Contents Topic 4 Topic 4 Basic Concepts Additional Concepts
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