1) Atomic number 38 2) Chemical element 3) Element discovered in 1790 4) Element number 38 5) Element with the symbol Sr 6) Metal 7) Metallic element 8) Reducing agent 9) Turns yellow in air
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1) Element 2) Sr 3) Strontian
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Strontium (m {respell|STRON|tee-əm}) is a chemical element with symbol Sr and atomic number 38. An alkaline earth metal, strontium is a soft silver-white or yellowish metallic element that is highly reactive chemically. The metal turns yellow when it is exposed to air. Strontium has physical and chemical properties similar to those of its two nei...
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http://en.wikipedia.org/wiki/Strontium
• (n.) A radioactive isotope of strontium produced by certain nuclear reactions, and constituting one of the prominent harmful components of radioactive fallout from nuclear explosions; also called radiostrontium. It has a half-life of 28 years. • (n.) A metallic element of the calcium group, always naturally occurring combined, as in the...
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chemical element, one of the alkaline-earth metals of main Group IIa of the periodic table. It is used as an ingredient in red signal flares and is ... [7 related articles]
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http://www.britannica.com/eb/a-z/s/173
A metal often used in a radioactive form for imaging tests and in the treatment of cancer.
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<chemistry> A metallic element of the calcium group, always naturally occurring combined, as in the minerals strontianite, celestite, etc. It is isolated as a yellowish metal, somewhat malleable but harder than calcium. It is chiefly employed (as in the nitrate) to colour pyrotechnic flames red. Symbol Sr. Atomic weight 87.3. ... Origin: NL. ...
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(Sr) (stron´she-әm) a chemical element, atomic number 38, atomic weight 87.62. strontium 89 a radioactive isotope of strontium having a half-life of 50.55 days and decaying by beta emission. It is used in the form of the chloride as a radiation source...
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http://www.encyclo.co.uk/local/21001
Stron'ti·um noun [ New Latin See
Strontia .]
(Chemistry) A metallic element of the calcium group, always naturally occurring combined, as in the minerals strontianite, celestite, etc. It is isolated as a yellowish metal, somewhat malleable but harder than calcium. It is chiefly employed (as...
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http://www.encyclo.co.uk/webster/S/213
(Sr) Type: Term Pronunciation: stron′shē-ŭm Definitions: 1. A metallic element, atomic no. 38, atomic wt. 87.62; one of the alkaline earth series and similar to calcium in chemical and biologic properties. Various salts of strontium are used therapeutically for their anions; strontium bromide, iodide, lactate. &...
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http://www.medilexicon.com/medicaldictionary.php?t=85658
Strontium: An earth element and metal with atomic no. 38, atomic wt. 87.62 that is used in a radioactive form for imaging tests and as a treatment for cancer. First detected in lead mines near Strontian, Scotland, strontium is present in water and food and, in trace amounts, the human skeleton.
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Strontium is a metal element with the symbol Sr of the alkaline-earth group. It is found mainly in celestine and strontianite. It is a hard yellowish metal which acts on water releasing the hydrogen.
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[
n] - a soft silver-white or yellowish metallic element of the alkali metal group
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Strontium is a soft white metal which can be obtained by the high temperature reduction of SrO by Al, or by the electrolysis of the fused halide (a technique which can be used for the alkali group of metals). It has an abundance in the earth`s crust of 370 ppm and is found naturally in celestine (strontium sulphate) and strontianite (strontium carb...
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(Metastron, Sr89) A radioactive isotope used to treat bone cancer. A small dose is injected into the body. It finds it way into the bones where it delivers a high local dose of radiotherapy.
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https://www.encyclo.co.uk/local/20753
Sr noun a 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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Soft, ductile, pale-yellow, metallic element, atomic number 38, relative atomic mass 87.62. It is one of the alkaline-earth metals, widely distributed in small quantities only as a sulphate or carbonate. Strontium salts burn with a red flame and are used in fireworks and signal flares. The radioactive isotopes Sr-89 and Sr-90 (half&...
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https://www.encyclo.co.uk/local/21221
a bivalent, metallic element whose compounds resemble those of calcium, found in nature only in the combined state, as in strontianite: used in fireworks, flares, and tracer bullets. Symbol: Sr; at. wt.: 87.62; at. no.: 38; sp. gr.: 2.6.
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https://www.infoplease.com/dictionary/strontium
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