| A | B |
|---|
| chemical bonds | The attraction that holds atoms together. |
| electronegativity | The measure of how strongly an atom holds its electrons. |
| ionic bond | A chemical bond in which electrons are transferred from one atom to another. |
| ion | A charged atom or group of atoms formed by the loss or gain of electrons. |
| anion | A negative ion |
| cation | A positive ion |
| Lewis dot structures | A method of showing the number of valence electrons in an element. |
| crystal lattice | A solid structure formed by a regular alternating pattern of positive and negative ions. |
| formula unit | The basic repeating unit of an ionic solid. |
| electrolyte | A solute that ionizes in solution and conducts electricity. |
| covalent bond | A chemical bond formed by atoms sharing electrons. |
| diatomic molecule | A molecule formed by two identical atoms bonded together. |
| double bond | Bonds of two pairs of electrons shared in a covalent bond. |
| triple bond | Bonds of three pairs of electrons shared in a covalent bond. |
| molecule | A particle made up of two or more atoms bonded together covalently. |
| free electron theory | A description of metallic bonding that uses randomly shared electrons to explain the properties of metals. Also known as electron sea theory. |
| metallic | Having the character of metals. |
