Describe dative covalent (coordinate) bonding. Week 9 Describe dative covalent (coordinate) bonding. Use dot-and-cross diagrams to represent covalent bonding. © Pearson Education Ltd 2008 This document may have been altered from the original

Dative covalent bonding in NH4+ Week 9 Dative covalent bonding in NH4+ © Pearson Education Ltd 2008 This document may have been altered from the original

Week 9 The ammonium ion © Pearson Education Ltd 2008 This document may have been altered from the original

Week 9 The oxonium ion © Pearson Education Ltd 2008 This document may have been altered from the original

Dot-and-cross diagram of BF3 Week 9 Dot-and-cross diagram of BF3 © Pearson Education Ltd 2008 This document may have been altered from the original

Dot-and-cross diagram of SF6 Week 9 Dot-and-cross diagram of SF6 © Pearson Education Ltd 2008 This document may have been altered from the original

• Describe giant metallic lattices. Week 9 • Describe metallic bonding as the attraction of positive ions to delocalised electrons. • Describe giant metallic lattices. © Pearson Education Ltd 2008 This document may have been altered from the original

Week 9 The ‘sea of electrons’ © Pearson Education Ltd 2008 This document may have been altered from the original

Electrical conductivity in a metal Week 9 Electrical conductivity in a metal © Pearson Education Ltd 2008 This document may have been altered from the original