Definitionn. a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys
Last update: August 21, 2015
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In its salts, thorium is tetravalent, and in the periodic classification it occurs in the same sub-group as titanium, cerium and zirconium. [Please select]
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Ores which contain titanium, according to universal experience in this country, give an iron inclining to the defect of red short, but possessing the highest degree of tenacity. [Please select]
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