The most expensive and second rarest natural element. Francium was discovered by marguerite perey in france (from which the element takes its name) in 1939. It is a heavy element with a. Dec 26, 2024 · here's a breakdown of why francium is considered the most expensive element: Francium is incredibly rare in nature, making its extraction and isolation very difficult.
This Peach Jar Leak Is A Public Health Hazard!
Alana Cho: The Strength To Overcome
Kattpaccino: The Silence Is Deafening