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Question: Answered & Verified by Expert
Which of the following statements is incorrect for pair of elements Zr - Hf?
Chemistryd and f Block ElementsMHT CETMHT CET 2017
Options:
  • A Both possess same number of valence electrons
  • B Both have identical atomic sizes
  • C Both have almost identical ionic radii
  • D Both of these belong to same period of periodic table
Solution:
2604 Upvotes Verified Answer
The correct answer is: Both of these belong to same period of periodic table
Zr-Hf are chemical twins and are present in period 5th and 6th respectively.

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