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Chapter 6 Vocabulary
Vocabulary
| Term | Definition |
|---|---|
| Electron dot Diagram | A model of an atom in which each dot represents a valence electron |
| Ion | An atom that has a net positive or negative electric charge |
| Anion | Is an ion with a negative charge |
| Cation | Is an ion with a positive charge |
| Chemical Bond | A force that holds atoms or ions together as a unit |
| Ionic Bond | Is the force that holds cations and anions together |
| Chemical Formula | Is a notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound |
| Crystals | Solids whose particles are arranged in a lattice structure |
| Covalent Bond | Is a chemical bond in which two atoms share a pair of valence electrons |
| Molecule | Is a neutral group of atoms that are joined together by one or more covalent bonds |
| Polar Covalent Bond | A covalent bond in which electrons are not shared equally |
| Polyatomic Ion | A covalently bonded group of atoms that have a positive or negative charge and acts as a unit |
| Metallic Bond | attraction between a metal cation and the shared electrons that surround it |
| Alloy | Is a mixture of two or more elements, at least one of which is a metal |