Strontium


 * Strontium**

__Chemical Symbol__: Sr

__Period Number__: 5

__Group Number__: 2

It was discovered by Adair Crawford in 1790.

__State Of The Element At Room Temperature__: Solid

__Colour__: Silvery white metallic

__Atomic Number__: 38

__Atomic Mass__: 87.62 amu

__Picture__:



__Number Of Protons__: 38

__Number Of Neutrons__:

__Number Of Electrons__: 38

__Boiling Point__: 1384.0 °C

__Melting Point__: 769.0 °C

__Metal/Metalloid/Non-metal__: Metal

__Important uses/interesting facts__:

1) Strontium is named after Strontian, a village in Scotland near which the mineral was first discovered.

2) The metal turns yellow when exposed to air.

3) It occurs naturally in the minerals celestine and strontianite.

4) It can be found in your bones.

5) Finely powdered strontium metal is pyrophoric meaning it will ignite spontaneously in air at room temperature.