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Chapter 6 Vocabulary
| Term | Definition |
|---|---|
| electron dot diagram | diagram of an atom, ion, or molecule in which each dot represents a valence electron |
| ion | atom or group of atoms that has a positive or negative charge |
| anion | ion with negative charge |
| cation | ion with positive charge |
| chemical bond | force that holds atoms or ions together as a unit |
| ionic bond | force that holds cations and anions together |
| chemical formula | notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound |
| crystals | solids which particles are arranged in a lattice structure |
| covalent bond | chemical bond in which two atoms share a pair of valence electrons |
| molecule | neutral group of atoms that are joined together by one or more covalent bonds |
| polar covalent bond | covalent bond in which electrons are not shared equally |
| polyatomic ion | covalently bonded group of atoms that has 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 | mixture of two or more elements, at least of which is a metal, that has the characteristic properties of a metal |