List of top Chemistry Questions on Atomic Structure asked in JEECUP

Which among the following pairs are not having same number of total electrons?
Which of the following molecules has a trigonal planar molecular geometry?
Which among the following pairs are not having the same number of total electrons?
Which one of the following is the standard for atomic mass?
The number of neutrons in \(^{238}U\) is
The correct order of Radii is