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9th Class Science Structure of the Atom Question Bank 9th CBSE Science Structure of the Atom

  • question_answer
    (a) What is an octet? How do elements reach an octet? (b) Make a schematic atomic structure of magnesium and phosphorus.             [Given number of protons of magnesium =12 and that of phosphorus = 15]  

    Answer:

                           (a) An outermost shell, which has eight electrons is said to possess an octet. Elements attain their octet by sharing, gaining or losing electrons.   (b) Atomic structure of Mg Atomic structure of P  


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