Holmium,Things,You,Should,Know business, insurance Holmium: 10 Things You Should Know About This Chemical Eleme
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Holmium is represented in the periodic table by the fitting symbolHo and 67 for the atomic number. As part of the rare lanthanide series, it isalso considered one of Earths rare elements. Below, you will find that wevecompiled 10 more facts about this rare element.1. Jacques-Louis Soret andMarc Delafontaine discovered holmium in 1878. They gave it the temporary nameof Element X. It wasnt until later that year that Per Teodor Cleve alsodiscovered the same element while working with erbia; however, it was Clevesdiscovery that ultimately determined the new name of holmium would replaceElement X.2. Holmium does not occurnaturally in free element form. Instead, like most rare earths, it occurs incombination with other minerals and elements.3. Australia, Brazil,China, India, Sri Lanka and the United States are the current main areas usedfor the mining of holmium. As of the time of this writing, the currentestimated reserve is 400,000 tons.4. Holmium is fairly softand relatively malleable. It is also shows fair corrosion resistance and hasbeen found to be stable when exposed to standard temperature dry air. It does,however, oxidize pretty quickly at increased temperatures. As it oxidizes, itwill form a yellow-toned oxide, but in its purest form, it looks like a brightsilver metal.5. Holmium can also changecolor when exposed to certain light. For instance, it can appear reddish orangein trichromatic light, but in daylight it will appear to be almost a paleyellow.6. Holmium also possessesthe most magnetic strength out of any of the elements. That alone isremarkable. However, it also forms extremely magnetic compounds when it iscombined with the element yttrium.7. This metal readilyburns to create holmium oxide and it does tarnish slowly when in open air. Itis also very electropositive.8. In cold water, holmiumreacts slowly, but in hot water, it will react quickly to create holmiumhydroxide. It will also react with all halogens and will readily dissolve insulfuric acid.9. When considering thatholmium is one of Earths rare metals, it is remarkably inexpensive. At thetime of this writing, the going price per kilogram of holmium is right around$1000.10. Holmium is frequently used in the creation of magnetic fieldsthat are generated artificially. It is also used in the creation of nuclearcontrol rods, microwave equipment, fiber optic applications and it is also usedto color glass and cubic zirconia; providing either red or yellow coloringproperties. In radioactive form, Ho-166m1 is also used in gamma ray calibration.
Holmium,Things,You,Should,Know