Iysha posted an Question
October 31, 2020 • 13:46 pm 40 points
  • IIT JAM
  • Chemistry (CY)

Q.28 the effective nuclear charge of helium atom is 1.7. the first ionization energy of helium atom in evi (a) 13.6 (b) 23.1 (c) : 39.3 (d) 27.2 q.29 the relati

Q.28 The effective nuclear charge of helium atom is 1.7. The first ionization energy of helium atom in evi (A) 13.6 (B) 23.1 (C) : 39.3 (D) 27.2 Q.29 The relationship between the van der Waals 'b' coeffīicient of Na and O is (A) b(N:) = b(O:) = 0 (C)b(N)> b{O:;) (B) b(Na) = b(O:) # 0 (D) b(N)< b{O:)

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