Which of the following statement is incorrect for pair of elements Zr-Hf ?
Which of the following statement is incorrect for pair of elements Zr-Hf ?
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
4 views
1 Answers
Correct Answer - D
Zr - Hf are chemical twins and are present in period 5th and 6th respectively.
4 views
Answered