What you’ll learn3 learning objectivesChoose one objective for a focused lesson, or study the complete topic.1.1.1Elements, compounds, and mixtures• Elements: primary constituents of matter, cannot be chemically broken down• Compounds: atoms of different elements bonded in fixed ratio• Mixtures: more than one element/compound in no fixed ratio, separated by physical methods• Distinguish homogeneous and heterogeneous mixtures and choose separation methodsSyllabus objective1.1.2Kinetic molecular theory• Explains physical properties of matter (solids, liquids, gases) and changes of state• State symbols: s, l, g, aq• Name changes of state: melting, freezing, vaporization, condensation, sublimation, depositionSyllabus objective1.1.3Temperature and kinetic energy• Temperature T (Kelvin) = measure of average kinetic energy Ek• Convert between Celsius and Kelvin scales• Interpret temperature and physical property changes during changes of stateSyllabus objective