Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET2009ChemistryStructure of AtomActual

Which of the following is not permissible arrangement of electrons in an atom ?

Options

  1. An =3, l=2, ~m =-3, ~s =- 1 2
  2. Bn =4, l=0, ~m =0, ~s =- 1 2
  3. Cn =5, l=3, ~m =0, ~s =+ 1 2
  4. Dn =3, l=2, ~m =-3, ~s =- 1 2

Correct answer

D. n =3, l=2, ~m =-3, ~s =- 1 2

Step-by-step solution

m value -l to +l

Practice Structure of Atom on Quantrex Academy →

More from Structure of Atom

Identify the pair of atoms of elements as isotones from the following. 2026Which of the following elements has an electronic configuration, [ Ar ] 4s^2 ? 2026Calculate the energy per mole of photons of red light with a wavelength 750 nm. [ h = 6.626 10⁻³⁴ Js, C = 3 10^8 m/s.] 2026Calculate the energy associated with an electron in the first orbit of hydrogen atom? 2026Find the wave number of the 4^ th line in the Lyman series of H spectrum. (R = Rydberg constant) 2026Calculate the de-Broglie wavelength of an electron having velocity 1000 ms ⁻¹ [ h = 6.626 10⁻³⁴ js , mass of an electron = 9.1 10⁻³¹ kg ] 2026How many total number of s and p electrons are respectively present in Cl ^- ? 2026Visible light has a wavelength of 700 nm. Calculate its frequency in hertz. 2026 Full Structure of Atom list All NEET PYQs