4 CompoundsA compound is a pure substance composed of 2 or more elements that are chemically combined.
5 Hydrogen (H) + Oxygen (O) Examples of CompoundsCompounds contain elementsThe elements combine + lose their original propertiesCompounds CAN be separated by chemical meansThe elements combine in specific ratiosSodium (Na)+Chlorine (Cl)NaClHydrogen (H) + Oxygen (O)H2OCarbon (C) + Oxygen (O)CO2
6 MixturesA mixture is a combination of 2 or more substances that are not chemically combined.
7 Examples of Mixtures Properties of Mixtures: chicken noodle soupsaladpizza – yes, that would be Yoda…Properties of Mixtures:Each substance in a mixture keeps its identityYou can physically separate themThey also contain elements, compounds, or bothAnd they can be formed using any ratio ofcomponents
8 Mixtures may be homogeneous or heterogeneous The prefix “homo” indicates the sameHomogeneous mixtures have the same appearance and properties throughout the mixtureThe prefix “hetero” indicates differenceHeterogeneous mixtures consist of visibly different substances
9 Mixtures and Compounds Game Research one mixture and one compound different from others that we have discussed.For Compounds: Google search “everyday chemical compounds”For Mixtures: Google search images for “mixtures”Draw a picture on the front of your paper, and the word mixture or compound on the back.