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