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nouna soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite
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Definition that contains strontium
- red fire combustible material (usually salts of lithium or strontium) that burns bright red; used in flares and fireworks
- celestite a mineral consisting of strontium sulphate
- rubidium-strontium dating geological dating based on the proportions of radioactive rubidium into its decay product strontium; radioactive rubidium has a half-life of 47,000,000,000 years
- strontianite a mineral consisting of strontium carbonate
- strontium 90 a radioactive isotope of strontium (with the mass number 90) that is present in the fallout from nuclear explosions; can be assimilated like calcium into bones
- 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 any of the bivalent metals of group II of the periodic table (calcium or strontium or barium or magnesium or beryllium)