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  5. Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति

11th Class Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति

  • question_answer 1)
      Which of the following statements are correct? (a) Helium has the highest first ionisation enthalpy in the periodic table (b) Chlorine has less negative electron gain enthalpy than fluorine (c) Mercury and bromine are liquids at room temperature (d) In any period, atomic radius of alkali metal is the highest

    Answer:

      (a, c, d) Not Available Solutions


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