2 ElementsElements- Substances that cannot be broken down into a simpler substance.Remember that elements are only made of atoms of that element! (The element iron is made of only iron atoms)Elements are the building blocks of all other substances.
3 Elements and states of matter Elements can be solids, liquids, or gasesExamples Solids Elements Liquid Elements Gas ElementsHydrogenOxygenNitrogenHeliumGoldCarbonIronSulfurCopperMagnesiumMercuryBromine
4 Elements and states of matter Most elements are solids at ordinary temperatures. Some elements are gases. Only two elements are liquids at room temperature.Each element has its own special properties that help identify it
5 Elements and substances Some substances are composed of only one elementIron NailsAluminum FoilCopper WireTin CanSome substances contain more than one elementWaterSaltSugarSteelBrass
6 Metals Metals have these properties Examples of Metals Have a bright and shiny lusterAre malleableMost are silver-gray in colorMost are solids (Except mercury)Are good conductors of electricityAre good conductors of heatExamples of MetalsAluminum, Tin, Lead, Iron, Gold, Copper, Nickel, Mercury
7 Non-Metals Non-Metals have these properties Examples of Non-Metals Solids, Liquids, or gasesDull LusterDifferent ColorsPoor conductors of electricityPoor conductors of heatExamples of Non-MetalsHydrogen, Oxygen, Sulfur, Bromine, Krypton, Carbon
8 MetalloidMetalloids share some properties with metals and some with non-metalsExamples of MetalloidsBoron, Silicon, Arsenic, Antimony