6: Ionic Bonds
- Page ID
- 118804
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- 6.1: Writing Formulas for Ionic Compounds
- Formulas for ionic compounds contain the symbols and number of each atom present in a compound in the lowest whole number ratio.
- 6.2: Naming Ionic Compounds
- Ionic compounds are named by stating the cation first, followed by the anion. Positive and negative charges must balance. Some anions have multiple forms and are named accordingly with the use of roman numerals in parenthes. Ternary compounds are composed of three or more elements.
Thumbnail: Table salt is held together by ionic bonds. Crystal structure with sodium in purple and chloride in green. Image used with permission (Public DOmain; Benjah-bmm27).