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Is promethium a natural or man made?
Although promethium exist in traces in the Earth crust it is an artificial element.
Is promethium naturally occurring or man made?
Promethium is man made element.; the natural promethium is estimated to be less than 1 kg in the earth crust.
What is the valency of promethium?
Promethium is an element and does not have a charge. As it has only be found in trace quantities, its chemistry has not been fully investigated. It has been anticipated that the likely charge when it forms compounds would be +3.
Is promethium malleable?
Yes. Promethium is a rare earth metal and is found in the periodic table in the Lanthanide section. Its symbol is Pm and it has the atomic number 61. It was predicted to exist, but could not be found in the earth's crust. Promethium has no stable isotopes, and what ones it has are relatively short-lived. It was first isolated from spent nuclear fuel, and later discovered in ores of uranium, but only in the most minute quantities.
Is promethium shiny or dull?
Promethium is a rare earth metal that is usually found in a dull gray color. However, when freshly cut or newly isolated, it can have a shiny appearance due to its metallic luster.
What substances are in promethium bromide?
Promethium bromide contain promethium and bromine.
Is Promethium magetic?
Yes, Promethium is a radioactive element that is paramagnetic, meaning it is weakly attracted to magnetic fields.
Is promethium flamable?
Promethium is not flammable.
What are three compounds containing promethium?
Promethium salts, oxides, and halides are common compounds of promethium. Promethium oxide (Pm2O3) and promethium chloride (PmCl3) are among the compounds that can be formed with promethium.
Where was promethium found?
Promethium was identified and prepared for the first time in 1945, at Oak Ridge, USA by Jacob A. Marinsky, Lawrence E. Glendenin, Charles D.Coryell, Harold G. Richter.
Is promethium a solid?
Yes. Promethium is a solid.
Is promethium a flamable element?
Promethium is not flammable.
