Advertisements
Advertisements
Question
The maximum number of electrons in a sub shell is given by the expression
Options
2n2
2l + 1
4l + 2
none of these
Solution
4l + 2
APPEARS IN
RELATED QUESTIONS
Assertion: The spectrum of He+ is expected to be similar to that of hydrogen.
Reason: He+ is also one electron system.
The electronic configuration of Eu (Atomic no. 63) Gd (Atomic no. 64) and Tb (Atomic no. 65) are
State and explain Pauli's exclusion principle.
what are the n and l values for 3px and `"4d"_("x"^2 - "y"^2)` electron?
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.
For each of the following, give the sub level designation, the allowable m values and the number of orbitals
- n = 4, l = 2
- n = 5, l = 3
- n = 7, l = 0
Give the electronic configuration of Mn2+ and Cr3+
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.
