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Some facts about promethium are:
Promethium is an artificial element, radioactive, unstable, solid, metal, atomic number 61 , lanthanoid.
- melting point: 1 042 0C
- boiling point; 3 000 0C
- density: 7,26 g/cm3
- Pauling electronegativity: 1,13
- first ionization energy: 540 kJ/mol
- empirical atomic radius; 183 pm
- crystalline structure: double hexagonal close packed
- thermal conductivity: 17,9 W/m.K
- electrical resistivity: 0,75 microohm.m
- paramagnetic
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∙ 8y ago
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What is similar to promethium?
Promethium has similar chemical properties as cerium and other lanthanoids.
What are the physical and chemical properties of promethium?
After the Pauling electronegativity (1,13) promethium is a reactive metal but the chemistry of Pm is only superficially known.The valence of ions in solution is +3. Promethium compounds known: halides, oxides, nitrates, sulfates, hydroxides etc.
What is promethiums chemical properties?
Promethium has similar chemical properties as cerium; the oxidation state is 3+.
What are the properties of Promethium?
It is a rare earth element metal that emits beta radius.
Is Promethium magetic?
Promethium is paramagnetic.
Is promethium flammable?
Promethium is not flammbale.
What substances are in promethium bromide?
Promethium bromide contain promethium and bromine.
Is promethium flamable?
Promethium is not flammable.
What is promethium odor?
Promethium has no odor.
What are the characteristic properties of matter?
Characteristics properties of matter are things such as:densitycolorsizeshapetemperatureThese are just few of hundreds of characteristics
Is promethium soluble?
Promethium is not soluble in water.
What is the normal stage of promethium?
Promethium is a metal.
