10th Class Science Metals and Non-metals Question Bank 10th CBSE Science Metals and Non-metals

  • question_answer
       (a) Write the electron dot structures for calcium and oxygen. The atomic numbers of calcium and oxygen are 20 and 8 respectively. (b) Show the formation of calcium oxide by the transfer of electrons.    

    Answer:

                        (a) Electron dot structure of calcium and oxygen is given below                                   (2) (b)Formation of calcium oxide (CaO)


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