Hafnium
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Hafnium ( ) is a chemical element with the symbol Hf and atomic number 72. A lustrous, silvery gray, tetravalent transition metal, hafnium chemically resembles zirconium and is found in zirconium minerals. Its existence was predicted by Dmitri Mendeleev in 1869. Hafnium was the penultimate stable isotope element to be discovered (rhenium was identified two years later). Hafnium is named for Hafnia, the Latin name for "Copenhagen", where it was discovered.
- See also: Wikipedia
- Related: Nuclear isomer, Induced gamma emission, Zircon, Zirconium
Hafnium Hafnium periodic.lanl.gov/72.shtml - Web |
Hafnium Technical & Safety Data Hafnium Technical & Safety Data www.americanelements.com/hf.htm - Web |
NLM Hazardous Substances Databank – Hafnium, eleme... NLM Hazardous Substances Databank – Hafnium, elemental toxnet.nlm.nih.gov/.../r?dbs+hsdb:@term+@na+@rel+hafnium,+elemental - Web |
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