Chemistry · Lanthanoids: Electronic configuration, oxidation states and Lanthanoid contraction
The last element of lanthanide series is
The last element of lanthanide series is
- A. lawrencium
- B. lutetium
- C. cerium
- D. thorium
Step-by-step solution
The lanthanide series comprises elements with atomic numbers 57 (lanthanum) to 71 (lutetium). The last element in this series is lutetium (Lu, atomic number 71). Lawrencium (option A) is an actinide, cerium (option C) is an early lanthanide, and thorium (option D) is an actinide.
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