Chemistry · 2015
NEET 2015 · 3 May · Code E · Q51
Because of lanthanoid contraction, which of the following pairs of elements have nearly same atomic radii? (Numbers in the parenthesis are atomic…
Because of lanthanoid contraction, which of the following pairs of elements have nearly same atomic radii ? (Numbers in the parenthesis are atomic numbers).
Official answer
(3)
Zr ($\displaystyle 40$) and Hf ($\displaystyle 72$)
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NEET (UG) 2015 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.