MCQ
he electrons revolve around the nucleus only in certain fixed paths called :
  • Orbits
  • B
    Orbitals
  • C
    Center
  • D
    Layer

Answer

Correct option: A.
Orbits
The electrons revolve around the nucleus only in certain fixed paths called orbits.
They are $\ce{K, L, M, N,}$ etc. Each orbit consists of a fixed number of electrons.
The electrons are distributed in the orbits according to the formula $\ce{2n^2}$.

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