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Yttrium is a chemical element; it has symbol Y and atomic number 39. It is a silvery-metallic transition metal chemically similar to the lanthanides and has often been classified as a "rare-earth element". [8] Yttrium is almost always found in combination with lanthanide elements in rare-earth minerals and is never found in nature as a free ...
Natural yttrium (39 Y) is composed of a single isotope yttrium-89. The most stable radioisotopes are 88 Y, which has a half-life of 106.6 days, and 91 Y, with a half-life of 58.51 days. All the other isotopes have half-lives of less than a day, except 87 Y, which has a half-life of 79.8 hours, and 90 Y, with 64 hours.
This list of yttrium compounds shows compounds of yttrium. Inclusion criteria: those that have applications, academic significance, single crystal structures or have their own Wikipedia articles. Inclusion criteria: those that have applications, academic significance, single crystal structures or have their own Wikipedia articles.
The Japanese battleship Tosa was a planned battleship of the Imperial Japanese Navy.Designed by Yuzuru Hiraga, Tosa was to be the first of two Tosa-class ships.Displacing 39,900 long tons (40,540 tonnes) and armed with ten 410 mm (16.1 in) guns, these warships would have brought Japan closer to its goal of an "eight–four" fleet (eight battleships and four battlecruisers).
Yttrium-90 is produced by the nuclear decay of strontium-90 which has a half-life of nearly 29 years and is a fission product of uranium used in nuclear reactors. As the strontium-90 decays, chemical high-purity separation is used to isolate the yttrium-90 before precipitation .
Yttrium hydroxide can be decomposed by heating. Firstly, basic yttrium oxide (YO(OH)) is formed, and when heating is continued yttrium oxide is obtained. Both yttrium oxide and yttrium hydroxide are easily soluble in strong acids to form corresponding yttrium salts. Yttrium chalcogenides Y 2 S 3, Y 2 Se 3, and Y 2 Te 3 are known. They can be ...
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This page uses the meta infobox {{Infobox isotopes (meta)}} for the element isotopes infobox.. This infobox contains the table of § Main isotopes, and the § Standard atomic weight.