List of top Chemistry Questions on Atomic Structure asked in NEET (UG)

Match List-I with List-II. List-I contains quantum numbers and List-II contains orbitals. 

List-Inl
A21
B40
C53
D32


 

List-IIOrbital
I3d
II2p
III4s
IV5f
The ratio of the wavelengths of the light absorbed by a Hydrogen atom when it undergoes n = 2 $\rightarrow$ n = 3 and n = 4 $\rightarrow$ n = 6 transitions, respectively, is:
Energy and radius of first Bohr orbit of He$^+$ and Li$^2+$ are:
Given: $ R_H = 2.18 \times 10^{-18} \, \text{J}, a_0 = 52.9 \, \text{pm} $
The decreasing order of atomic radii (pm) of \( \text{Li}, \, \text{Be}, \, \text{B}, \, \text{C} \) is:
4d, 5p, 5f and 6p orbitals are arranged in the order of decreasing energy. The correct option is:
Calculate the energy in joule corresponding to light of wavelength 45 nm:
(Planck’s constant h = 6.63 × 10-34 Js; speed of light c = 3 × 108 ms-1)
\(Be^{2+}\) is isoelectronic with which of the following ions?
What is the maximum number of orbitals that can be identified with the following quantum number?
n = 3, l = 1, ml = 0