MEDIUMMCQ SINGLENEET ChemistryInorganic Chemistryd and f Block elementsEx :O O
The covalent radii of transition metals decrease from left to right in a period because
A.the densities of the metals decrease with increasing
B.the screening of nuclear charge by d electrons is poor✓ Correct
C.the
D.the metallic character decreases as the atomic
Explanation
The screening of nuclear charge by d electrons is poor and hence the nuclear charge attracts all the electrons strongly, causing a decrease in size.
Practice More Like This
Take chapter-wise tests, track your progress, and master d and f Block elements.
Start Free Practice →