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strontium 音标拼音: [str'ɑntiəm]

n. 锶[金属元素]

锶[金属元素]

WordNet (r) 3.0 (2006) (WordNet)

strontium
n 1: a soft silver-white or yellowish metallic element of the
alkali metal group; turns yellow in air; occurs in
celestite and strontianite [synonym: {strontium}, {Sr}, {atomic
number 38}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Strontium \Stron"ti*um\, n. [NL. See {Strontia}.] (Chem.)
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 color pyrotechnic flames red. Symbol Sr.
Atomic weight 87.3.
[1913 Webster]

The Elements Database (element)

strontium
Symbol: Sr
Atomic number: 38
Atomic weight: 87.62
Soft yellowish metallic element, belongs to group 2 of the periodic
table. Highly reactive chemically. Sr-90 is present in radioactive
fallout
and has a half-life of 28 years. Discovered in 1798 by Klaproth and
Hope,
isolated in 1808 by Humphry Davy.

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Strontium - Wikipedia
Strontium is a chemical element; it has symbol Sr and atomic number 38 An alkaline earth metal, it is a soft silver-white yellowish metallic element that is highly chemically reactive The metal forms a dark oxide layer when it is exposed to air
Strontium - Uses, Side Effects, and More - WebMD
Strontium is physically and chemically similar to calcium Most strontium in the body comes from drinking water and food Several different forms of strontium are used as medicine
Strontium | Chemical Element, Health, Industrial Applications . . .
strontium (Sr), chemical element, one of the alkaline-earth metals of Group 2 (IIa) of the periodic table It is used as an ingredient in red signal flares and phosphors and is the principal health hazard in radioactive fallout
Strontium - Element information, properties and uses | Periodic Table
Strontium is found mainly in the minerals celestite and strontianite China is now the leading producer of strontium Strontium metal can be prepared by electrolysis of the molten strontium chloride and potassium chloride, or by reducing strontium oxide with aluminium in a vacuum
Strontium Facts - Element 38 or Symbol Sr - Science Notes and Projects
Strontium is a chemical element with the symbol Sr and atomic number 38 It is an alkaline earth metal that is soft and silver-white when freshly cut, but tarnishes to a yellowish color in air Strontium is chemically similar to its group neighbors, calcium and barium
Strontium | Public Health Statement | ATSDR
Pure strontium is a hard, white-colored metal, but this form is not found in the environment Rather, strontium is usually found in nature in the form of minerals Strontium can form a variety of compounds Strontium compounds do not have any particular smell
Strontium: Properties, Applications, and Uses - A Comprehensive Guide
Learn about its unique physical and chemical properties, how it's used in various industries, and the safety precautions needed for handling This comprehensive guide covers everything you need to know Strontium is a soft, silvery-white, alkaline earth metal with the atomic number 38
Strontium Element Facts - chemicool. com
Strontium is a Group 2 Alkaline earth metal It usually exists as a divalent ion, Sr 2+, in its compounds Strontium’s chemistry is very similar to that of calcium, which sits above it in Group 2 Strontium is used for producing glass (cathode ray tubes) for color televisions
Strontium | History, Uses, Facts, Physical Chemical Characteristics
Strontium is an alkaline earth metal discovered in 1808 by Humphry Davy It is a reactive element and has various useful radioactive isotopes
Strontium Definition, Facts, Symbol, Discovery, Properties, Uses
Strontium (pronunciation: STRON-she-em) is a soft, silvery element that belongs to the family of alkali earth metals and is represented by the chemical symbol Sr [1, 2] Being chemically highly reactive, it reacts with water and burns in the air [1, 3]

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