| A | B |
|---|
| monatomic ion | consists of a single atom with a positive or negative charge |
| anion | atom or group of atoms having a negative charge |
| cation | atom or group of atoms having a positive charge |
| polyatomic ion | tightly bound group of atoms that behaves as a unit and carries a net charge |
| binary compound | compound composed of two different elements |
| ionic compound | compound consisting of a cation and an anion |
| molecular compound | compound consisting of two or more negatively charged ions |
| atomic mass | the number of grams of an element that is numerically equal to the atomic mass of the element in amu |
| amu | atomic mass unit |
| atomic number | number of protons and the number of electrons |
| neutral | All elements on the periodic table are ________ |
| molar mass | the mass of a mole of any element or compound |
| molar volume | the volume occupied by a mole of any gas at STP |
| anion | ions ending in -ide |
| cation | ions that are named using the element name |
| positive 1 | Group 1A elements form ions that have a ______________ charge |
| positive 2 | Group 2A elements form ions that have a ______________ charge |
| positive 3 | Group 3A elements form ions that have a __________________ charge |
| negative 3 | Group 5A elements form ions that have a _______________ charge |
| negative 2 | Group 6A elements form ions with a _____________ charge |
| negative 1 | Group 7A elements form ions that have a ____________ charge |
| positive 1 or 2 | Transition elements form ions that have a _________________ charge |
| noble gases | Elements that will not form ions are called |
| lost | Ions that have a positive charge have ____________ electrons |
| gained | Ions that have a negative charge have _______________ electrons |
| polyatomic ion | An -ate or -ite at the end of a compound name usually indicates that the compound contains a _______ |
| mono- | Prefix for 1 |
| di- | prefix for 2 |
| tri | prefix for 3 |
| tetra | prefix for 4 |
| penta | prefix for 5 |
| hexa | prefix for 6 |
| hepta | prefix for 7 |
| octa | prefix for 8 |
| nona | prefix for 9 |
| deca | prefix for 10 |
| proton | positively charge particle |
| neutron | subatomic particle in the nucleus having no charge |
| electron | negatively charged particle |
| mass number | number of protons + the number of electrons |
| # neutrons | Mass number - atomic number |
| isotope | having an extra neutron in the nucleus of an atom |
| valence electrons | outermost electrons |
| 8 | Maximum number of valence electrons |
| C2H3O2 | acetate |
| NO2 | Nitrite |
| NO3 | Nitrate |
| OH | Hydroxide |
| ClO2 | Chlorite |
| ClO3 | Chlorate |
| CO3 | Carbonate |
| SO3 | Sulfite |
| SO4 | Sulfate |
| PO3 | Phosphite |
| PO4 | Phosphate |
| NH4 | Ammonium |
| balance | The charges on all ionic compounds must |
| molecular | Prefixes are used only with ________ compounds |
