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Periodic Table and Periodicity · 2023 · 31 Jan · Shift 2

2 Chemistry questions from this JEE Main paper
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Periodic Table and Periodicity · 2023 · 31 Jan · Shift 2

2 Chemistry questions from this JEE Main paper

  1. Q5.Which of the following elements have half-filled f-orbitals in their ground state? (Given : atomic number Sm=62;Eu=63;Tb=65;Gd=64,Pm=61) A. Sm B. Eu C. Tb D. Gd E.…
    Chemistry · Periodic Table and Periodicity · MCQ
  2. Q9.Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R) Assertion (A): The first ionization enthalpy of 3 d series elements is more than that of group 2 metals Reason (R): In 3d…
    Chemistry · Periodic Table and Periodicity · MCQ