List of top Chemistry Questions on Atomic Structure asked in AP ECET CSE, AP ECET CE

In which of the molecules lone pair, bond pair of electrons ratio is 2:3 ?

Consider the elements with atomic numbers Z = 8, 9, 11, 19 and 20. The number of ionic compounds possible with the elements having these atomic numbers is

If n, l, m and s represent the symbols of quantum numbers, the impossible quantum number set for the electron in terms of n, l, m and s respectively is

Identify the orbital which has lobes not orienting on the axis

Consider the elements with atomic numbers Z = 1 to Z=20. The number of elements with only one unpaired electron in their ground state is