Strontium (Sr)
"Inferno Ray, the dazzling daredevil who paints fireworks crimson and has a secret identity as a time-travel detective for ancient Earth!"
A memorable persona to anchor Sr in your mind.
2.64
Grams per cm³
777
Celsius (°C)
249
Radius (pm)
Daily Life Link
The absolute BEST red in your favorite fireworks display!
Discovery & History
Year Discovered
1790
Discovered By
Adair Crawford
Origin of Name
"Strontium is named after Strontian, a small town in Scotland."
Technical Properties
Atomic Mass
87.62 u
Standard State
solid
Boiling Point
1377°C
Electron Configuration
[Kr] 5s2
1st Ionization Energy
5.695 eV
Electron Affinity
N/A
Oxidation States
"Soft, silvery-white, but don't blink – it tarnishes fast!"
Did You Know?
Scottish Roots: Named after Strontian, a village in Scotland where the mineral strontianite (containing Strontium) was first found in the late 1700s!
Firework Superstar: It's *the* element responsible for that intense, dazzling crimson red in fireworks and emergency signal flares. No Strontium, no spectacular red sky!
Water Wildcard: Drop a chunk of Strontium into water, and watch out! It reacts vigorously, fizzing and releasing hydrogen gas. It's a true metal daredevil.
Alkaline Earth Rebel: As a Group 2 element, it's an alkaline earth metal, meaning it's highly reactive and always looking to bond, much like its cousins Calcium and Magnesium.