Covalent and Ionic Bonding

Ionic Nomenclature

  • Cation uses its original name (e.g. Sodium)
  • If the anion has no extra oxygen (e.g. Cl, N, O, etc.), change suffix to -ide (e.g. Cl becomes Chloride)
  • If the anion has standard number of oxygen (e.g. PO4 ), change suffix to -ate (e.g. PO4 becomes Phosphate)
  • If the anion has one less than the standard number of oxygen (e.g. NO2), change suffix to -ite (e.g. NO2 becomes Nitrite)
  • If the anion has two less than the standard number of oxygen (e.g. NO), change the prefix to hypo- and the suffix to -ite (e.g. NO becomes Hyponitrite)
Pranav Sharma
Pranav Sharma
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UNSW Student, site owner and developer.

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