Which element in the periodic table has the symbol "Pm"?
Promethium is a chemical element with the symbol Pm and atomic number 61. All of its isotopes are radioactive; it is extremely rare, with only about 500–600 grams naturally occurring in Earth's crust at any given time.
Favorite this Trivia.
In order to be able to favorite the trivias you find most interesting, you need to have an account. Favoriting a trivia means you are also bookmarking it and have it available on your profile.
Report a trivia answer.
We are sorry that you feel the need to report one of our answers. Please, tell us more regarding this problem.