Sr+-+Strontium

media type="custom" key="3197694"media type="custom" key="3197648"Christian

Name:Strontium Symbol:SR valueAtomic Mass:87.62 Standard State:Solid at 258 K Group name:Alkalin earth metal Period in Periodic Table:5 Color:silvery white Classification:metallic

My element is strontrium. It's atomic number is 38. The uses are for red smoke fireworks, flares, lightweight nuclear objects, make glass and etc. Strontium was discovered by Adair Crawford at 1790 in Scotland. It was named after the village of "//Strontian//" in Scotland.It was some time before it was recognised that strontianite contained a new element. The element itself was not isolated for a number of years after this when strontium metal was isolated by Davy by electrolysis of a mixture containing strontium chloride and mercuric oxide in 1808.