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Chemistry X

 

Mrs.Ambika Raju

Date of submission : 25 .7.2009

 

  1. Write the electron ā€“ dot structures for sodium, oxygen and magnesium .
  2. Show the formation of Na2O and MgO .
  3. What are the ions present in the above compounds ? 
  4. Why do ionic Compounds have high melting points?

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