 | Term | Definition |
| |
monatomic ion |
an ion formed from a single atom. |
| |
binary compound |
a compound composed of two different elements. |
| |
nomenclature |
a naming system. |
| |
oxyanion |
a polyatomic ion that contains oxygen. |
| |
salt |
an ionic compound that forms when a metal atom or a positive radical replaces the hydrogen of an acid. |
| |
oxidation number |
the number of electrons that must be added to or removed from an atom in a combined state to convert the atom into the elemental form. |
| |
oxidation state |
the condition of an atom expressed by the number of electrons that the atom needs to reach its elemental form. |
| |
formula mass |
the sum of the average atomic masses og all atoms represented in the formula of any molecule, formula unit, or ion. |
| |
percentage composition |
the percentage by mass of each element in a compound. |
| |
empirical formula |
a chemical formula that shows the composition of a compound in terms of the relative numbers and kinds of atoms in the simplest ratio. |
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