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strontium

  
   
Symbol Sr. The element with atomic number 38 and relative atomic mass 87.62 (named after the village Strontian in Scotland), which is in Group 2 of the periodic table, below calcium. Chemically, strontium resembles calcium in having just one dominant oxidation number, +2, as in its carbonate ore strontianite, SrCO{TAG(tag=>sub)}3{TAG}, or its sulphate ore celestine, SrSO{TAG(tag=>sub)}4{TAG}. Strontium salts are used to produce a crimson colour in fireworks or flares. fall-out.See colour charge.  

 

 

  
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Other Terms : Raoult's law | exocytosis | gypsum

 

 
 
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