UNSTABLE ELEMENT Crossword Clue
The most common solution for the crossword clue "UNSTABLE ELEMENT" are FRANCIUM with 8 letters.
UNSTABLE ELEMENT Crossword Clue
The most common solution for the crossword clue "UNSTABLE ELEMENT" are FRANCIUM with 8 letters.
We know 1 solutions for: UNSTABLE ELEMENT
Crossword Puzzle Infos
An unstable element is an element that has a relatively short half-life and is highly radioactive. Francium (Fr) is an example of an unstable element, with a half-life of only 22 minutes. It was discovered in 1939 by Marguerite Perey, a French scientist.