alkaline-earth metal


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al·ka·line-earth metal

 (ăl′kə-lĭn-ûrth′, -līn′-)
n.
Any of a group of metallic elements, especially calcium, strontium, magnesium, and barium, but generally including beryllium and radium. Also called alkaline earth.

al′kaline-earth′ met`al


n.
any of the group of bivalent metals including barium, radium, strontium, calcium, and, usu., magnesium, the hydroxides of which are alkalis but less soluble than those of the alkali metals.

alkaline-earth metal

Any of a group of metallic elements that includes beryllium, magnesium, calcium, strontium, barium, and radium. Because the alkaline-earth metals have two electrons in their outer shell, they react easily with other elements and are found in nature only in compounds. See Periodic Table.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.alkaline-earth metal - any of the bivalent metals of group II of the periodic table (calcium or strontium or barium or magnesium or beryllium)alkaline-earth metal - any of the bivalent metals of group II of the periodic table (calcium or strontium or barium or magnesium or beryllium)
metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
References in periodicals archive ?
Alkaline-earth metal carbonates, alkaline-earth metal sulfates, metallic oxides, oxides of metalloids, and/or siloxanes particles of 10- to 70-nm size can be added without aggregation by extrusion at up to 15 wt% loading.
The enhancement of O2-binding and catalytic oxidation activities by the oxa aza crown ether ring of the cobalt complexes as well as the complexed alkali metal and alkaline-earth metal ions were discussed.
Chapters are systematically compiled by groups of the periodic table, with subsections for each element in the group and each alkaline-earth metal treated in order within the subsection.