Chemistry - bonding structures 0.0 / 5 ? ChemistryBonding & shapesA2/A-levelAQA Created by: fs20/22Created on: 12-01-22 11:06 Ionic bonding Strong electrostatic force of attraction between oppositely charged ions 1 of 10 Trends in strength of ionic bonding 2nd ionisation energy > 1st ionisation energy 2 of 10 Properties of ionic compounds -high m.p. & b.p. -conductive when molten or aqueous 3 of 10 Metallic bonding Strong electrostatic force of attraction between the +ve charged metal ions & -ve charged delocalised electrons 4 of 10 Properties of metallic compounds -malleable -high m.p. & b.p. -conductive when pd applied 5 of 10 Trends in strength of metallic bonding -smaller ions have stronger metallic bonding -ions with greater charge have stronger metallic bonding 6 of 10 Simple molecular Covalent molecules held together by relatively weak intermolecular forces 7 of 10 Properties of simple molecular compounds -soft -low m.p. & b.p. -non-conductors 8 of 10 Giant covalent Atoms held together by strong covalent bonds throughout the structure (except graphite) 9 of 10 Properties of giant covalent compounds -hard & brittle (graphite: soft & slippery) -high m.p. & b.p. -non-conductors (expect graphite) 10 of 10
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