Beryllium (Be)
"Meet Beryllium, the unsung hero of aerospace! He’s super lightweight but incredibly tough, making him essential for rockets and telescopes, though his powerful aura requires careful handling."
A memorable persona to anchor Be in your mind.
1.85
Grams per cm³
1287
Celsius (°C)
153
Radius (pm)
Daily Life Link
Think of it as the secret ingredient giving tiny springs in your high-tech electronics their super strength and longevity.
Discovery & History
Year Discovered
1798
Discovered By
Louis-Nicolas Vauquelin
Origin of Name
"The name is derived from the Greek name for beryl, ''beryllo''."
Technical Properties
Atomic Mass
9.012 u
Standard State
solid
Boiling Point
2468°C
Electron Configuration
[He] 2s2
1st Ionization Energy
9.323 eV
Electron Affinity
N/A
Oxidation States
"A sleek, steel-gray metal that's surprisingly light yet incredibly hard."
Did You Know?
Atomic Featherweight Champion: Beryllium is one of the lightest metals, yet it packs an incredible punch in terms of strength and rigidity!
X-Ray Visionary: Unlike most materials, Beryllium is almost completely transparent to X-rays, making it perfect for X-ray machine windows that let scientists peer inside objects without interruption.
Space Telescope Superstar: The James Webb Space Telescope, humanity's most powerful eye on the universe, uses mirrors made of Beryllium because it's super stable across extreme temperatures and incredibly light.
Toxic Avenger (Don't Touch!): While amazing, Beryllium is highly toxic if inhaled as a dust or fumes, leading to a serious lung disease called berylliosis – so it’s always handled with extreme caution!