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9th Class Science Atoms and Molecules Question Bank 9th CBSE Science Atoms and Molecules

  • question_answer
      An element 'Z' forms the following compound when it reacts with hydrogen, chlorine, oxygen and phosphorous. and (a) What is the valency of element 'Z'? (b) Element 'Z' is metal or non-metal?

    Answer:

                      (a) The valency of 'Z' is 3. (b) Element 'Z' is a metal because it is electropositive and is reacting with non-metals.


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