Basic Information

Name: Strontium 
Symbol: Sr 
Atomic Number: 38 
Atomic Mass: 87.62 amu 
Melting Point: 769.0 °C (1042.15 K, 1416.2 °F) 
Boiling Point: 1384.0 °C (1657.15 K, 2523.2 °F) 
Number of Protons/Electrons: 38 
Number of Neutrons: 50 
Classification: Alkaline Earth 
Crystal Structure: Cubic 
Density @ 293 K: 2.54 g/cm3 
Color: yellowish
Date of Discovery: 1790 
Discoverer: A. Crawford 
Name Origin: After Strotian (a Scottish town) 
Uses: flares, fireworks, crimson color 
Obtained From: celestite, strontianite