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Chemistry Vocab
Chapter 12
| Term | Definition |
|---|---|
| Chemical Bonds | Force of attraction holding atoms in a molecular or formula unit together |
| Bond Energy | Energy required to separate |
| Ionic Bond | Force of attraction between ions (metals and nonmetals) |
| Covalent Bond | Non-metals share electrons |
| Non-polar (covalent) | electrons are shared equally |
| Polar Covalent | Electrons are unevenly shared |
| Electronegativity | Ability of an atom to attract shared electrons |
| Dipole Moment | The charge of a molecule can be represented by a center of positive and negative charge |
| Duet Rule | Hydrogen Ions only need 2 electrons |
| Octet Rule | most atoms need 8 electrons in their outermost sublevel to be stable |
| Bent *Molecular shape/structure* | 2 single bonds and 2 unshared pairs |
| Linear *Molecular shape/structure* | Either 2 elements combined or 2 double bonds |
| Trigonal Pyramid *Molecular shape/structure* | 3 surrounding atoms and unshared pair on the central atom |
| Trigonal Planar *Molecular shape/structure* | 3 surrounding atoms with no unshared pairs on the central atom |
| Tetrahedral *Molecular shape/structure* | 4 single bonds on central atom |