Vocabulary Entry

promethium

|noun

noun

A chemical element with the symbol Pm and atomic number 61, used in various applications, including atomic batteries and research.

Example Sentences

"Promethium is a rare and radioactive element found in the lanthanide series."

"Scientists are studying the properties of promethium to explore its potential uses in the energy sector."

"The promethium isotopes are important for certain nuclear applications."