click below
click below
Normal Size Small Size show me how
chapter 6 vocabulary
| Term | Definition |
|---|---|
| Electron dot diagram | model of an atom in which each dot represents a valence electron |
| ion | atom that has a net positive or negative charge |
| anion | ion with a negative charge |
| cation | ion with a positive charge |
| chemical bond | force that holds atoms or ions together |
| 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 whose particles are arranged in lattice structure |
| covalent bond | chemical bond in which two atoms share a pair of valence electrons |
| molecule | neutral group of atoms joined together by one or more covalent bond |
| polar covalent bond | covalent bond in which electrons are not shared equally |
| polyatomic ion | covalentely bonded group of atoms that has a positive or negative charge and acts as a unit |
| metallic bond | attraction between a metalcation and the shared electrons surrounding it |
| alloy | mixture of two or more elements and atleast one is a metal |