What is the maximum number of electrons in an atom that can have the quantum numbers n = 3, ml = +1 ?
8
4
16
6
How many electrons will be present in the highest principal energy level of cobalt (z = 27) ?
2
7
9
1
In an atom with 2K, 8L and 13M electrons,what will be the total number of 'p' electrons ?
12
What is the frequency ratio between two radiations of wave length 400nm and 700nm in the visible spectrum ?
14/8
4/7
8/14
15/8
Which one of the following does Bohr theory fails to explain ?
Stability of hydrogen
Line spectra of hydrogen atom
Line spectra of Li2+
Splitting of spectral lines in the presence of magnetic field
The uncertainty in the position of a particle when the uncertainty in momentum is zero will be
6.626 × 10-34
4.14 × 10-35
Zero
Infinity
What is the ratio of the radii of the 2nd and 3rd Bohr orbits in hydrogen atom ?
3:8
3:4
9:16
4:9
What will be the total spin resulting from a d6 configuration?
3
3/2
What is the orbital angular momentum of an electron in 3s orbital?
h/2π
√2 h/2π
None of these
How many number of spherical nodes will be in 4p orbitals ?
