IB Chemistry AAS- Bonding
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19 terms
Terms | Definitions |
|---|---|
 Ionic bond | Electrostatic attraction between oppositely charged ions |
| Covalent bond | Electrostatic attraction between a pair of electrons and positively charged nuclei |
| Intermolecular forces | Attractions between molecules that have temporary dipoles, permanent dipoles or hydrogen bonding |
| Metallic bond | Electrostatic attraction between a lattice of positive ions and delocalized electrons |
| Hydrogen bond | Attraction between a hydrogen that is covalently bonded to a highly electronegative element (F, N, O), and another highly electronegative element in another molecule |
| Van der Waals | Weakest bond between molecules, due to temporary dipoles |
| Dipole-dipole | Attraction between polar molecules |
| Angle between linear bond | 180degrees |
| Angle between trigonal planar | 120degrees |
| Angle between tetrahedral | 109.5degrees |
| Angle between water | 105degrees |
| Angle between ammonia | 107degrees |
| Bond that can form lattice structures | Ionic bond |
| Diamond | Giant tetrahedral structure, equal C-C bond lengths, extremely hard, does not conduct electricity, no delocalized electrons |
| Graphite | Trigonal planar structure, C-C bonds are strong and short, has layers that slide, weak forces of attraction between layers, has delocalized electrons, conducts electricity |
| Buckminster fullerene | 60 carbon atoms bonded in hexagonal and pentagonal rings to form a sphere |
| Which has hydrogen bonding, HF or HCl? | HF |
| Are covalent molecules water soluble? | No |
| Are ionic compounds water soluble? | Most are |
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