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2016-02-27T13:01:15+05:30

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2016-02-27T13:59:56+05:30

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Ca = 2,8,8,2 [Ca need to give 2 electrons to attain stable configuration]
Cl = 2,8,7[each atom of  Cl needs 1 electron to attain stable electronic configuration]
 
  
   Ca [2 electrons more] + 2Cl  [need 2 electrons as 2 atoms of Cl is present]   ⇒ CaCl2   


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