The maximum number of atomic orbitals associated with a principal quantum number 5 is-
1. 9
2. 12
3. 16
4. 25
The sub-shell that comes after f-sub-sell is called g-subshell. The number of g-sub orbitals in g-sub-shell and the total number of orbitals in the principal orbital respectively are-
1. 10 and 25
2. 9 and 25
3. 11 and 23
4. 15 and 45
Which of the following pairs of d-orbitals will have electron density along the axes?
1. dz2,dxz
2. dxz,dyz
3. dz2,dx2-y2
4. dxy,dx2-y2
The number of d-electrons in Fe2+ (Z=26) is not equal to the number of electrons in
which one of the following?
1. s-electrons in Mg (Z=12)
2. p-electrons in Cl (Z=17)
3. d-electrons in Fe (Z=26)
4. p-electrons in Ne (Z=10)
The maximum number of electrons in a subshell with l = 3 and n = 4 is
1. 14
2. 16
3. 10
4. 12
Maximum number of electrons in a subshell of an atom can be determined by which of the following formula :
1. 4l + 2
2. 2l + 1
3. 4l - 2
4. 2n2
The orientation of an atomic orbital is governed by:
(1) azimuthal quantum number
(2) spin quantum number
(3) magnetic quantum number
(4) principal quantum number
A pair of d-orbitals having electron density along the axes is:
1.
2.
3.
4.
Electron density in the yz plane of 3dxy orbital is
1. zero
2. 0.50
3. 0.75
4. 0.90