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Chemical Bonds
Chapter 6 Vocabulary
| Term | Definition |
|---|---|
| Chemical bond– | A force of attraction that holds atoms together in compounds; an attraction produced by the transferring or sharing of electrons |
| Octet Rule– | A rule stating that an atom tends to gain, lose, or share electrons ntil its outer level s and p orbitals are filled with eight electrons |
| Covalent Bond– | Two Atoms held together in an ion or molecule by their attraction for the same pair of shared electrons |
| Ionic Bond– | The electrostatic attraction between two oppositely charged ions in a solid |
| Metallic Bond– | A communal sharing of electrons between metal atoms |
| Polarity– | The tendency of an object to form two localized regions of opposite character; in chemistry, polarity relates to electrical charge |
| Electrostatic Force– | The field force exerted by electrical charges., It may be repulsive or attractive depending on the kinds of charges interacting |
| Lewis Structure– | a two-dimensional diagram that uses element symbols and dots to show the bonds between different atoms |
| Polyatomic Ion– | A group of atoms that maintains a constant electrical charge while existing as a unit in a wide variety of chemical reactions for example SO42 |
| Formula Unit– | The simplest ratio of elements in an ionic compound that describes its composition |
| Crystal Lattice | An extensive three-dimensional structure of points or objects that represents the regular alternating pattern of atoms or ions. |
| Electron Sea Theory– | A theory that offers an explanation of how metals bond; the valence electrons of atoms are said to be freely shared among all atoms. Also called free electron theory |
| Delocalized Electrons | Electrons that can move between several different bonds |
| Network Covalent Substance– | Atoms covalently bonded into a continuous 3D network , for example diamond |
| Alloy– | A Mixture of the atoms of a metal with another element where the mixture has metallic properties |
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