6673848
Description
Flashcards by Emily Y :), updated more than 1 year ago
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Created by Emily Y :)
about 9 years ago
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| Question | Answer |
| Covalent Bond | A shared pair of electrons |
| Dative Covalent bonding (Co-ordinate bonding) | Covalent bonding where one atom in the bond provides both electrons for the bond |
| Electronegativity | The ability of an atom to attract the electrons within a covalent bond towards itself. |
| van de Walls forces | Weak intermolecular forces where changing distribution of charge leads to instantaneous dipoles, which induce dipoles in nearby atoms. |
| Dipole-Dipole Forces (Permanent Dipoles) | Intermolecular forces caused by attraction between polar molecules (Due to a large difference |
| Hydrogen bonding | A type of intermolecular force in which a hydrogen atom interacts with a highly electronegative atom (N O F) with a δ- charge. |
| Electron pair repulsion theory (VSEPR) | Theory that governs shapes of molecules wherein e- pairs repel and spread out in order to be as far apart as possible. |
| Endothermic reaction | +ΔΗ Bond enthalpy of the products is greater than that of the reactants (energy taken in) |
| Exothermic reaction | -ΔH Bond enthalpy of products is less than that of the reactants (energy released) |
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