Atomic Number: 38
Atomic Weight: 87.62
Melting Point: 1050 K (777°C or 1431°F)
Boiling Point: 1655 K (1382°C or 2520°F)
Density: 2.64 grams per cubic centimeter
Phase at Room Temperature: Solid
Element Classification: Metal
Period Number: 5
Group Number: 2
Group Name: Alkaline Earth Metal
Strontium has four stable isotopes and two of them have medical applications. Sr-86 is used for the production of the PET isotope Y-86 which is used in dosimetry prior to Y-90 based radioimmunotherapy. Sr-88 is used for the production of Sr-89 which is the active agent in MetastronTM.