alkaline earths


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alkaline earths

(ăl`kəlīn, –lĭn), oxides of the alkaline-earth metalsalkaline-earth metals,
metals constituting Group 2 of the periodic table. Generally, they are softer than most other metals, react readily with water (especially when heated), and are powerful reducing agents, but they are exceeded in each of these properties by the
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, especially of calcium, strontium, and barium. They are not readily soluble in water and form solutions less basic than those of alkalies.