Yttrium

Yttrium

Element 39, atomic weight 88.90585, a dark grey metal that is used in alloys and nuclear technology for its high neutron transparency. Yttrium compounds are used in the manufacture of colour tv screens, superconducting ceramics, and fireproof bricks.

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Category: General chemistry
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yttrium

Health care; Cancer treatment

A metal of the rare earth group of elements. A radioactive form of yttrium may be attached to a monoclonal antibody or other molecule that can locate and bind to cancer cells and ...

yttrium

Science; General science

A chemical element, Y, atomic number 39, and atomic weight 88.905. Yttrium resembles the rare-earth elements closely. The stable isotope 89 Y constitutes 100% of the natural ...

yttrium

Chemistry; General chemistry

Element 39, atomic weight 88.90585, a dark gray metal that is used in alloys and nuclear technology for its high neutron transparency. Yttrium compounds are used in the ...

yttrium

Medical; Health care; Medicine

An element of the rare earth family of metals. It has the atomic symbol Y, atomic number 39, and atomic weight 88.91. In conjunction with other rare earths, yttrium is used as a ...

yttrium

Language; Dictionaries

A rare metallic element of the boron-aluminium group, found in gadolinite and other rare minerals, and extracted as a dark gray powder. Symbol Y. Atomic weight, 89.

yttrium

Mining; General mining; Mineral mining

A rare-earth element that has a silvery-metallic luster. Symbol, Y. Occurs in nearly all of the rare-earth minerals. Recovered commercially from monazite sand and from bastnasite. ...