Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Which of the following transition metal ions has the lowest density ?
Text Solution
Verified by ExpertsThe correct answer is:
C
Cu = 8.95 Ni = 8.91
Sc = 3.0 Zn = 7.14.
Acorss the period atomic volumes decreases upto copper due poor shielding of d-orbital electrons and addition of extra electrons in inner orbitals and then increases in zinc due to interelectronic repulsions in completely filled d- and s-orbitals. Consequently densities increase from Sc to Cu and then decreases in Zn.
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