Ions

Description

43 slides, including: Learning objectives Engaging conductivity starter Evidence for the existence of ions Conductivity and mobile charge carriers Cations vs anions Ion colours Movement of ions in an electric field PhET simulation activity Formation of monoatomic ions Octet/noble-gas configuration Transition-metal ions and Roman-numeral nomenclature Ion symbols and naming Polyatomic ions Lewis structures + VSEPR Mole of ions Ionic compounds Crystal lattices Unit cells Corner/edge/face/body-centre particle counting NaCl structure CsCl structure and coordination number Ionic bonding Formula units Writing ionic formulae by charge balance Formula units containing polyatomic ions Formula mass and molar mass Mole/ion relationships Two fully worked quantitative examples CsCl ball-and-stick Method Sheet X-ray diffraction documentary activity Gemstone colour documentary activity Common misconceptions Guided practice Answer key Alignment with the chapter's original exercise set Exit ticket Suggested 2–3 lesson sequence Teacher resource bank