Ragan,+Sarah

[|Strontium]

Symbol: Sr

Boiling point: 2510.6 o F

Melting point: 1430.6 o F

Protons: 38

Neutrons: 50

Electrons:38

Atomic mass: 88

Atomic Number: 38

Density: 2630 kg m-3

Electron and configuration and orbital notation: 1S 2 2S 2 2P 6 3S 2 3P 6 4S 2 3D 10 4P 5 5S 2

Valance Electrons: +2

[|Discovered]: Adair Crawford, 1790 while studying mineral witherite (BaCO3) on the other hand Sir Humphry Davy put it in pure form in 1808.

Uses: glass for color of televisions, refine zinc, combines with iron to make magnets, crimson color in fireworks,

Physical Properties: color is silvery, soft.

Chemical properties: reacts slowy with water, very reactive with chlorine.

Chemical Reactions: reacts with water slowly, very reactive with halogens such as chlorine, and dissolves readily in dilute or concentrated hydrochloric acid.

Compounds: Chlorides - Strontium dichloride SrCl2….... Iodides- Strontium diiodide SrI2…….. Oxides- Strontium oxide SrO

MIneral's and ores:Strontium’s ores are celestite and strontianite.

Cost: $100 per 100g in the pure state

Industrial uses: used as a lightweight nuclear for production of electricity, optical materials.

Unusual Facts: Has no biological role, common product of nuclear explosions, does not occur as a free element, when mixed with oxide rapidly yellows. [|Bohr Model:]

Pure State:

Cite: WebElements: the periodic table on the WWW [[]] [|Copyright]1993-2011 [|Mark Winter] [[|The University of Sheffield]and WebElements Ltd, UK]. All rights reserved code format="code" "Strontium." Chemicool Periodic Table. Chemicool.com. 24 Feb. 2011. Web. 2/15/2012 []. Steve Gagnon code
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