Facts about the Classification of the Element Strontium
Strontium is classified as an "Alkaline Earth Metals" which are located in Group 2 elements of the Periodic Table. An Element classified as an Alkaline Earth Metals are found in the Earth’s crust, but not in the elemental form as they are so reactive. Instead, they are widely distributed in rock structures.

Brief Facts about the Discovery and History of the Element Strontium
The mineral strontianite was recognised by Adair Crawford in 1790 and it was named after the Scottish town of Strontian. Klaproth and Hope discovered strontium itself in 1798 and the metallic strontium was first isolated by Sir Humphrey Davy in 1808 by the use of electrolysis. It does not occur naturally, is very soft and scratches easily.

Occurrence of the element Strontium
Obtained from celestite and strontianite
Found in 0.034% of all igneous rock in the form of the sulphate mineral celestite and the carbonate strontianite

Common Uses of Strontium
Producing ferrite magnets
Refining zinc
Toothpastes
Flares
Fireworks
Strontium ranelate, aluminate, chromate, nitrate, chloride, aluminate

The Properties of the Element Strontium

Name of Element : Strontium
Symbol of Element : Sr
Atomic Number of Strontium : 38
Atomic Mass: 87.62 amu
Melting Point: 769.0 °C - 1042.15 °K
Boiling Point: 1384.0 °C - 1657.15 °K
Number of Protons/Electrons in Strontium : 38
Number of Neutrons in Strontium : 50
Crystal Structure: Cubic
Density @ 293 K: 2.54 g/cm3
Color of Strontium : silvery