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Periodic Table and Periodicity · 2020 · 3 Sep · Shift 2

2 Chemistry questions from this JEE Main paper
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Periodic Table and Periodicity · 2020 · 3 Sep · Shift 2

2 Chemistry questions from this JEE Main paper

  1. Q13.The five successive ionization enthalpies of an element are 800, 2427, 3658, 25024 and 32824 kJ mol–1. The number of valence electrons in the element is :
    Chemistry · Periodic Table and Periodicity · MCQ
  2. Q15.Among the statements (I – IV), the correct ones are: (I) Be has smaller atomic radius compared to Mg. (II) Be has higher ionization enthalpy than Al. (III) Charge/radius ratio of Be is greater than that of Al. (IV) Both Be and Al form…
    Chemistry · Periodic Table and Periodicity · MCQ