Nobelium (No)
"The 'Nobel Prize' of elements, a fleeting powerhouse that packs a radioactive punch, appearing in a flash and decaying before you can even blink!"
A memorable persona to anchor No in your mind.
Synthetic
Grams per cm³
827
Celsius (°C)
N/A
Radius (pm)
Daily Life Link
You're more likely to see a shooting star than a Nobelium atom – that's how rare and fast it disappears!
Discovery & History
Year Discovered
1966
Discovered By
Joint Institute for Nuclear Research (JINR)
Origin of Name
"Nobelium is named for Alfred Nobel, the founder of the Nobel prize."
Technical Properties
Atomic Mass
[259] u
Standard State
solid
Boiling Point
N/A
Electron Configuration
[Rn] 5f147s2
1st Ionization Energy
6.65 eV
Electron Affinity
N/A
Oxidation States
"Predicted to be a silvery, metallic element, but it vanishes before you can ever gather enough to actually see it!"
Did You Know?
The Ultimate Human-Made Element! Nobelium isn't found chilling in nature; scientists had to literally *build* it in high-tech labs using powerful particle accelerators. Talk about making something from scratch!
A Nod to Genius! This element got its name from the legendary Alfred Nobel, the brilliant chemist who invented dynamite and, of course, established the famous Nobel Prizes. What an honor!
Blink and You'll Miss It! Nobelium is so incredibly unstable that its longest-lived isotope (Nobelium-259) only hangs around for about 58 minutes. Most isotopes vanish in seconds or even milliseconds! Poof!
Scarcity is an Understatement! We're talking about making only a few atoms at a time, ever! If you tried to gather enough to see, it would decay before your eyes faster than you could say 'periodic table.'