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alkaline earths

alkaline earths (ăl'kulīn, –lin) [key], oxides of the alkaline-earth metals, especially of calcium, strontium, and barium. They are not readily soluble in water and form solutions less basic than those of alkalies.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2007, Columbia University Press. All rights reserved.

More on alkaline earths from Infoplease:

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