alkaline earth

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Related to Alkaline Earth metals: Noble gases

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 ?
Alkali and alkaline earth metals were estimated after element-specific extraction.
Among the alkaline earth metals, Ca showed a gradual decline from the litter layer to the bottom of the profile in all 3 years irrespective of the habitat type (Figs 2c, 3c, 4c).
Given the influence of hydroperiod, the extent of inundation in wetland blocks, as well as the adjacent terrestrial areas and annual variation in water input to the Park, wide dissimilarity in distribution and mobilisation of alkali and alkaline earth metals was expected among the habitats.
But he argues that placing helium with the alkaline earth metals results in a more regularly shaped structure that can take two forms.