Physical Properties Compare and explain the properties of substances resulting from different types of bonding Type of bonding Ionic Metallic Covalent molecular Covalent network lattice Melting and boiling point Very high Medium to high Low Very high Why Packed...
Topic 4: Chemical bonding and structure
Metallic Bonding
Describe the metallic bonds as the electrostatic attraction between a lattice of positive ions and delocalised electrons Metals form a 3D lattice of cations surrounded by a 'sea' of delocalised electrons. Only the valence electrons become delocalised. The electrons in...
Intermolecular Forces
Intermolecular Forces 4.3.1 - Describe the types of intermolecular forces (attractions between molecules that have temporary dipoles or hydrogen bonding) and explain how they arise from the structural features of molecules Intermolecular forces are the bonds...
Covalent Bonding
Covalent Bonding Describe the covalent bond as the electrostatic attraction between a pair of electrons and positively-charged nuclei Outer shell electrons interact and rearrange themselves into a more stable arrangement that has lower chemical energy. The...
Ionic Bonding
Describe the ionic bond as the electrostatic attraction between oppositely charged ions Ions are formed when electrons are transferred from a metal atom to a non-metal atom in order to produce a full outer shell for both ions. The metal will have a positive charge,...