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.
The electron configuration is [Xe]4f5.6s2.
The electron configuration of promethium is [Xe]4f5.6s2.
[Xe] 4f5 6s2
Promethium has 61 electrons.
Promethium has 61 protons.
Promethium is trivalent.
Promethium can be melted and boiled.
Promethium 145 has a half life of 17.7 years. Promethium 146 has a half life of 5.53 years. Promethium 147 has a half life of o.22 years.
Promethium does not occur naturally on earth, but as a by-product of uranium fission. It is very radioactive and its salts have a pinkish or reddish color. Promethium colors its surrounding air with a pale blue-green light.
It is impossible, promethium is highly radioactive.
The chemical symbol of promethium is Pr.
Promethium is paramagnetic.
Promethium is not flammbale.
Promethium bromide contain promethium and bromine.
Promethium is not flammable.
Promethium has no odor.
Promethium is not soluble in water.
Yes. Promethium is a solid.
Promethium is not flammable.
Promethium hasn't odor.
Promethium is a metal.
Promethium has 61 protons.
Promethium is a solid.