Which is the last element of lanthanides?(a) Ytterbium(b) Lutetium(c) Thulium(d) ErbiumThe question was posed to me during an interview.My question comes from D and F-Block Elements in section D and F-Block Elements of Chemistry – Class 12

Which is the last element of lanthanides?(a) Ytterbium(b) Lutetium(c)

1.	Which is the last element of lanthanides?(a) Ytterbium(b) Lutetium(c) Thulium(d) ErbiumThe question was posed to me during an interview.My question comes from D and F-Block Elements in section D and F-Block Elements of Chemistry – Class 12
Answer» Correct answer is (B) Lutetium Explanation: The atomic numbers of ERBIUM, Thulium, Ytterbium and Lutetium is 68, 69, 70 and 71 respectfully. So the last element of lanthanide series is Lutetium with ELECTRONIC configuration [Xe]4f^145d^16s^2.

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