C3: Atoms, Elements, and Compounds

Physical changes: not chemically changed, only the molecules are arranged differently and how strongly they are held by intermolecular forcesChemical Changes: When you change something chemical makeup

Element: substance made from only one type of atomCannot be broken down (chemically) into a more simple substanceCompound: substance made from 2 or more elements that have reacted chemically with each otherIt's a completely new material that will have totally new different properties from the elements that made itCannot be separated by physical methodsMixtures: contains 2 or more substances that have not chemically reacted with one anotherMade out of little bits of each substance mixed together Can be separated by physical methods

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