All promethium isotopes are radioactive.
Promethium is paramagnetic.
Promethium is not flammbale.
Promethium bromide contain promethium and bromine.
Promethium is not flammable.
Promethium has no odor.
Radioisotopes are not salts but salts may contain radioisotopes.
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.