Unit 1 0.0 / 5 ? ChemistryBonding & shapesASAQA Created by: katygirl159Created on: 04-12-13 15:58 When electrons are transfered from one atom to another. Ionic Bonding 1 of 15 holds positive and negative ions together Electrostatic attraction 2 of 15 Bonds by sharing electrons Covalent Bonding 3 of 15 Called macromolecular structures sometimes Giant covalent structures 4 of 15 atoms only shair a pair of electrons Single covalent 5 of 15 One atom provides both shared electrons Dative covalent 6 of 15 Identifying a dative covalent bond, we look for the atom with... A lone pair 7 of 15 Two bonding pairs, 180 degrees. Linear shape 8 of 15 Three bonding pairs, 120 degrees. Trigonal planar 9 of 15 two bonding, one lone, bit less than 120 degrees Bent shape 10 of 15 Four bonding pairs, 109.5 degrees. Tetrahedral shape 11 of 15 Three bonding ,one lone, 107 degrees Trigonal pyramidal 12 of 15 two bonding two long, 104.5 Bent shape 13 of 15 Five bonding, 120 degrees, one 90 degrees. Trigonal bipyramidal 14 of 15 6 bonding, 90 degrees Octahedral 15 of 15
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