alkaline earth

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alkaline earth

[¦al·kə‚līn ′ərth]
(inorganic chemistry)
An oxide of an element of group 2 in the periodic table, such as barium, calcium, and strontium. Also known as alkaline-earth oxide.
References in periodicals archive ?
The process exploits the highly exothermic reaction between certain alkaline earth metals, including magnesium, and carbon bearing gases, including carbon dioxide, to generate graphene.
It is the heaviest of the alkaline earth metals and is found in trace amounts of uranium ores.
An understanding of the soil nutrients including alkali and alkaline earth metals is important for proper management of wetland-dominated systems, as they greatly influence the productivity (Mitsch and Gosselink 2000; Bai et al.
Alkali and alkaline earth metals were estimated after element-specific extraction.
This suggests, says Scerri, that helium belongs on the far left of the chart with the alkaline earth metals, which also have two electrons in their outer shells.
But he argues that placing helium with the alkaline earth metals results in a more regularly shaped structure that can take two forms.