Advertisements
Advertisements
प्रश्न
The maximum number of electrons in a sub shell is given by the expression
पर्याय
2n2
2l + 1
4l + 2
none of these
उत्तर
4l + 2
APPEARS IN
संबंधित प्रश्न
The electronic configuration of Eu (Atomic no. 63) Gd (Atomic no. 64) and Tb (Atomic no. 65) are
If n = 6, the correct sequence for filling of electrons will be,
State and explain Pauli's exclusion principle.
Define orbital?
Calculate the uncertainty in position of an electron, if Δv = 0.1% and υ = 2.2 × 106 ms-1
Determine the values of all the four quantum numbers of the 8th electron in the O-atom and 15th electron in Cl atom.
Describe the Aufbau principle.
An atom of an element contains 35 electrons and 45 neutrons. Deduce
- the number of protons
- the electronic configuration for the element
- All the four quantum numbers for the last electron
Calculate the energy required for the process.
\[\ce{He^+_{(g)} -> He^2+_{(g)} + e^-}\]
The ionisation energy for the H atom in its ground state is −13.6 ev atom−1.
Identify the missing quantum numbers and the sub energy level
n | l | m | Sub energy level |
? | ? | 0 | 4d |
3 | 1 | 0 | ? |
? | ? | ? | 5p |
? | ? | −2 | 3d |