List of top Chemistry Questions on The Structure of an Atom

An orbital can hold only two electrons. This can be explained:
The number of magnetic quantum number values for the angular momentum quantum number \( l = 1 \) is:
Which type of atoms form cations easily?
Atoms with low ionization potential and large atomic size:
The experimental magnetic moment (3.4 BM) of a hydrated salt of \(Eu^{3+}\) at 300 K is significantly different from calculated value. The difference is due to (Given atomic number of \(E_u\) = 63)
A state (n1, n2 ) for a particle in a rectangular box with sides of length L1 = L and L2 = 2L that is accidentally degenerate with the state (4, 4) is
To generate molecular orbitals in molecules consisting of three or more atoms, which of the following is correct
Using Slater's rule, the shielding constant and effective nuclear charge for the outermost electron of Mg are respectively.
The orbital with more penetration power towards nucleus is
The total number of atomic orbitals in third shell of an atom
Which one of the following electromagnetic radiation has more frequency?
Order of energy of orbitals
1 nanometer is equal to
The maximum number of electrons that can be accommodated in the M-shell of an atom is
Which one of the following orbitals is possible?
The correct order of atomic radii in group 13 elements is
Iron exhibits bcc structure at room temperature. Above 900°C, it transforms to fcc structure. The ratio of density of iron at room temperature to that at 900°C (assuming molar mass and atomic radii of iron remains constant with temperature) is