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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: Overview, Uses, Side Effects, Precautions . . . - 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 . . .
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 Facts - Element 38 or Symbol Sr - Science Notes and . . .
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 - Element information, properties and uses . . .
Strontium is most famous for that red glow in a flame, but as a metal it behaves like its reactive group II neighbours, beryllium, magnesium, calcium and barium
Strontium: Properties, Applications, and Uses - A . . .
Discover the world of Strontium, a versatile alkaline earth metal with a range of applications from pyrotechnics and metallurgy to healthcare and electronics Learn about its unique physical and chemical properties, how it's used in various industries, and the safety precautions needed for handling

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