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单词 alkaline earth metal
释义

Examplesofalkaline earth metal

alkaline earth metal
Finding a group 2alkalineearthmetalwas problematic, because it did not logically fit with the other elements found thus far.
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Thealkalineearthmetalcalcium is also present in significant quantity.
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Analkalineearthmetal, strontium is a soft silver-white or yellowish metallic element that is highly reactive chemically.
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It is analkalineearthmetal, a relatively reactive group, although not nearly as reactive as the alkali metals.
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Some sources will even say thealkalineearthmetalhydroxides are insoluble.
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It is not possible to determine trends for thealkalineearthmetalsalts, as many of them can not be formed.
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As a free element it is a steel-gray, strong, lightweight and brittlealkalineearthmetal.
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As with magnesium salts and otheralkalineearthmetalsalts, calcium salts are often quite soluble in water.
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The difference between a basic salt and an alkali is that an alkali is the soluble hydroxide compound of an alkali metal or analkalineearthmetal.
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Concerning the existence of alkaline earth metals resulting from neutron irradiation of uranium.
From theCambridge English Corpus
Note that only hydroxides with an alkali metal column 1 are very soluble in water; hydroxides with analkalineearthmetalcolumn 2 are not as soluble.
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All the alkaline earth metals except beryllium also react with water to form strongly alkaline hydroxides and, thus, should be handled with great care.
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The heavier alkaline earth metals react more vigorously than the lighter ones.
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The resulting fluorides are reduced with alkaline earth metals or alloys of the metals; metallic calcium is used most frequently.
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Chromate and dichromate salts of heavy metals, lanthanides and alkaline earth metals are only very slightly soluble in water and are thus used as pigments.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/alkaline-earth-metal##
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更新时间:2025/1/14 16:54:54