AIPMT | 2015Atomic StructureEasy
Question
Because of lanthanoid contraction, which of the following pairs of elements have nearly same atomic radii ? (Nubmers in the parenthesis are atomic numbers).
Options
A.Zr (40) and Nb (41)
B.Zr (40) and Hf (72)
C.Zr (40) and Ta (73)
D.Ti (22) and Zr (40)
Solution
Due to lanthanoid contraction
atomic radii of Zr and Hf is almost similar.
atomic radii of Zr and Hf is almost similar.
Create a free account to view solution
View Solution FreeMore Atomic Structure Questions
Neon does not form clathrate compound because -...The radius of La3+ (Atomic number of La = 57) is 1.06 . Which one of the following given values will be closest to the r...In an atom, an electron is moving with a speed of 600m/s with an accuracy of 0.005%. Certainity with which the position ...The energy of electron in first energy level is - 21.79 × 10-12 erg per atom. The energy of electron in second ener...The correct set of quantum no. for the unpaired electron of chlorine....