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ChemicalNomenclature
Chemical Naming Vocab
| Term | Definition |
|---|---|
| Acid | A molecular compound that produces H+ ions when dissolved in water. |
| Anion | A negatively charged ion formed when an atom gains one or more electrons; named by dropping the element's ending and adding the -ide suffix. |
| Base | An ionic compound that produces OH− ions (the hydroxide ion) when dissolved in water. |
| Binary Acid | An acid composed of hydrogen and one other element (e.g., HCl). |
| Binary Compound | A compound that is composed of only two different elements. |
| Cation | A positively charged ion formed when an atom loses one or more electrons; named the same as the parent element. |
| Chemical Formula | A symbolic representation of a compound that shows the kinds and numbers of atoms present in a molecule. |
| Chemical Nomenclature | The systematic set of rules used for naming chemical compounds. |
| Crisscross Method | An alternative technique for writing an ionic compound's formula where the numerical value of each ion's charge is exchanged to become the subscript of the other ion. |
| Divalent | A term describing a cation that has a 2+ charge, meaning it has lost two electrons (e.g., Mg2+). |
| Empirical Formula | A chemical formula that shows the elements in a compound in their simplest, lowest whole-number ratio. |
| Ionic Compound | A compound formed by the electrostatic attraction between a cation and an anion; the overall structure must be electrically neutral. |
| Ion | An atom or group of atoms that has an electrical charge due to the gain or loss of electrons. |
| Molecular Formula | A chemical formula that shows the actual kinds and exact number of atoms of each element in a molecule of a compound. |
| Monovalent | A term describing a cation that has a 1+ charge, meaning it has lost one electron (e.g., K+). |
| Oxoacid | An acid that contains hydrogen, oxygen, and one other element (e.g., H2SO4). |
| Polyatomic Ion | An ion that is composed of two or more atoms that are tightly bonded together and behave as a single, charged unit. |
| Stock System | The naming convention that uses Roman numerals in parentheses to indicate the positive charge on a transition metal cation in an ionic compound. |
| Subscript | A number written after a chemical symbol in a formula to indicate the number of atoms of that element in the molecule. |
| Ternary Ionic Compound | An ionic compound that contains three different elements, typically involving a monatomic ion and a polyatomic ion. |
Created by:
Abby_L
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