JEE Main 20205 Sep, Morning shiftChemistryEasyAtomic Structure113× since 2002
The difference between the radii of 3^rd and 4^th
orbits of Li²⁺ is R₁
. The difference between the
radii of 3^rd and 4^th orbits of He⁺ is
R₂
.
Ratio R₁ : R₂ is :
JEE Main 2020 · 5 Sep, Morning shift · Q2117