Promethium has a metallic appearance.
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.
Promethium is paramagnetic.
Promethium is not flammbale.
Promethium bromide contain promethium and bromine.
Promethium is so rare and so radioactive I don't thing anyone's ever collected enough of it to tell. It would, however, presumably be a silvery-gray color like nearly all other metals.
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.