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Ch. 4 Test
| Term | Definition |
|---|---|
| binary compound | two element compound |
| binary ionic compound | compound that contains two elements - a positive ion (cation) which is always written first in the formula, and a negative ion (anion) |
| ionic compound | compound that contains a metal and a nonmetal |
| ionic bond | bond where electrons are either accepted or donated |
| covalent compound | also known as a molecular compound - compound that contains two nonmetals |
| covenant bond | bond where electrons are shared |
| polyatomic ion | a charged ion consisting of two or more atoms bound together |
| oxyanions | specific polyatomic ions that contain at least one oxygen atom and one or more atoms of at least one other element |
| ternary compound | compound that contains three different elements |
| acid | a substance that produces hydrogen ions (H+=protons) in solution; a proton donor |
| base | a substance that produces hydroxide ions in solution; a proton acceptor |