Elemental yttrium, in an impure form, was first isolated in 1828 by Friedrich Wöhler by passing chlorine gas over the gadolinite mineral to form anhydrous yttrium chloride (YCl 3 ), which was in turn reduced to yttrium using potassium 3 .
How was yttrium discovered?
Elemental yttrium, in an impure form, was first isolated in 1828 by Friedrich Wöhler by passing chlorine gas over the gadolinite mineral to form anhydrous yttrium chloride (YCl 3 ), which was in turn reduced to yttrium using potassium 3 .
What country discovered yttrium?
| Discovery date 1794 | Discovered by Johan Gadolin | Origin of the name Yttrium is named after Ytterby, Sweden . | Allotropes |
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Is yttrium found on Earth?
Yttrium can be found in most of the rare earth minerals , but has never been discovered in the Earth’s crust as a freestanding element. Lunar rocks gathered during the Apollo moon missions contain yttrium. The human body also contains yttrium in tiny amounts, usually concentrated in the liver, kidneys, and bones.
Who discovered ytterbium?
French chemist Georges Urbain and Austrian chemist Carl Auer von Welsbach independently demonstrated in 1907–08 that Marignac’s earth was composed of two oxides, which Urbain called neoytterbia and lutetia. The elements are now known as ytterbium and lutetium.
Is yttrium toxic to humans?
Water soluble compounds of yttrium are considered mildly toxic , while its insoluble compounds are non-toxic. In experiments on animals, yttrium and its compounds caused lung and liver damage. ... Exposure to yttrium compounds in humans may cause lung disease.
Is yttrium man made or natural?
Yttrium never occurs in nature as a free element . It is found in almost all rare earth minerals and in uranium ores. The yellow-brown ore xenotime can contain as much as 50% yttrium phophate (YPO4) and is mined in Malaysia.
What is the symbol of uranium?
Uranium is in the periodic table that has a symbol U and atomic number 92. It also has the highest atomic weight of the naturally occurring elements. Uranium is atomic number 92 and can have different numbers of neutrons in the nucleus from 141 to 146.
Is yttrium a metal or nonmetal?
Yttrium (Y), chemical element, a rare-earth metal of Group 3 of the periodic table. Yttrium is a silvery white, moderately soft, ductile metal.
How common is yttrium?
Abundance. Yttrium is found in most rare-earth minerals, it is found in some uranium ores, but is never found in the Earth’s crust as a free element. About 31 ppm of the Earth’s crust is yttrium, making it the 28th most abundant element, 400 times more common than silver.
Where is xenotime found?
Occurring as a minor accessory mineral, xenotime is found in pegmatites and other igneous rocks , as well as gneisses rich in mica and quartz.
Is yttrium a rare earth element?
The rare earth elements (REE) are a set of seventeen metallic elements. These include the fifteen lanthanides on the periodic table plus scandium and yttrium.
How did ytterbium get its name?
Ytterbium is named after the town of Ytterby near Stockholm in Sweden , and makes up the fourth element to be named after this town, the others being of course yttrium, terbium and erbium.
How did hafnium get its name?
The element is number 72 in the periodic table, and is called hafnium. It takes its name from hafnium, the old Latin name for Copenhagen which is the city in which it was first isolated in 1922 .
How did erbium get its name?
In 1843, Mosander began studying the mineral gadolinite. ... Mosander named erbium and terbium after the Ytterby Mine in Sweden , the source of gadolinite mineral they were discovered in. (The elements yttrium and ytterbium were also named after the same mine.)
