| A | B |
|---|
| binary compound | A chemical compound composed of two elements |
| chemical bond | Force that holds together the atoms in a compound; |
| chemical formula | A precise statement that tells which elements are in a compound and their ratios |
| chemically stable | Describes an atom whose outer energy level is completely filled with electrons. |
| corrosive | hazardous compound that attacks and alters metals, human tissue, or other materials. |
| covalent bond | A type of chemical bond formed by atoms when they share electrons |
| hydrate | A compound containing only carbon and hydrogen atoms |
| ion | A positively or negatively charged atom |
| ionic bond | A type of chemical bond formed by the attraction between opposite charges of the ions in an ionic compound |
| nonpolar molecule | A molecule that does not have oppositely charged ends |
| oxidation number | A positive or negative number that indicates how many electrons an atom has lost, gained, or shared when bonding with other atoms |
| polar molecule | A molecule with opposite charges on each end of the molecule |
| polyatomic ion | A group of covalently bonded atoms in which the whole group is positively or negatively charged |
| toxic | Hazardous substance that can injure living tissue; poisonous |
