Einsteinium (Es)
"Meet Dr. E, the brilliant but elusive mastermind of the heaviest elements! Born from nuclear fire, he's a fleeting genius, always pushing the boundaries of scientific understanding, even if he's too unstable to stick around for long."
A memorable persona to anchor Es in your mind.
8.84
Grams per cm³
860
Celsius (°C)
245
Radius (pm)
Daily Life Link
Imagine it like a diamond so rare and valuable, it can only be made in a super-secret, highly dangerous lab, and it starts glowing the moment it's created.
Discovery & History
Year Discovered
1952
Discovered By
Albert Ghiorso and colleagues
Origin of Name
"Einsteinium is named after the renowned physicist Albert Einstein."
Technical Properties
Atomic Mass
[252] u
Standard State
solid
Boiling Point
N/A
Electron Configuration
[Rn] 5f117s2
1st Ionization Energy
6.42 eV
Electron Affinity
N/A
Oxidation States
"A blink-and-you'll-miss-it silvery-white metal, glowing with its own powerful radioactivity."
Did You Know?
Born from Fire: Einsteinium wasn't found in a mine; it was first detected in the radioactive ash from the world's first hydrogen bomb explosion in 1952! Talk about a dramatic entrance.
Genius Name: It's named after none other than Albert Einstein, the legendary physicist who gave us E=mc², proving that even the elements bow down to scientific greatness.
Man-Made Marvel: You won't find Einsteinium lying around in nature. It's a synthetic element, meaning scientists have to create it in specialized reactors or particle accelerators.
Super-Heavyweight: Einsteinium is a transuranic element, meaning it's heavier than uranium. It's part of the actinide series, a group of really dense, often radioactive metals.