Which of the following statement(s) is/are incorrect for pair of eleme – InterviewSolution

1.	Which of the following statement(s) is/are incorrect for pair of element Zr-Hf ?A. Both posses same number of valence electronsB. Both have identical sizesC. Both have almost identical radiiD. Both of these belong to same period of periodic table
Answer» Correct Answer - D Zirconium (Zr)with atomic number - 40and Hafnium (Hf) with atomic number - 72 belongs of period 5th and 6th respectively.

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