• An Arrhenius base is a compound, which ionizes to yield hydroxide ions (OH−) in aqueous solution.
  • Table below lists several of the more common bases.
  • All of the bases listed in the table are solids at room temperature.
  • Upon dissolving in water, each dissociates into a metal cation and the Hydroxide ion.
  • Compounds of the Group 2 metals (the alkaline earth metals) are also basic.
  • These compounds are generally not as soluble in water.
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