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9th Class Science Atoms and Molecules

  • question_answer 29)
      The chemical symbol for sodium is (a) So                                    (b) Sd                                    (c) NA                                   (d) Na

    Answer:

      (d) The chemical symbol for sodium is derived from its Latin name 'Natrium'. In a 'two letter' symbol, the first letter is the 'capital letter' but the second letter is the 'small letter'. Therefore, its symbol is 'Na'.


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