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Organizing the Elements Organizing the Elements The Periodic Table Elements There are 118 different kinds of atoms. Most matter is made up of two or more kinds of atoms,…
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Unit 1 Welcome to Biology! Essential Questions What is science? What is an organism and how is it related to biology? What characteristics do all living things share? Why…
Chapter 2 Properties of Matter 2.1 Classifying Matter Pure Substances Pure Substances: matter that always has exactly the same composition Every sample has the same properties…