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Structure of the Atom — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
MCQ
The electrons revolve around the nucleus only in certain fixed paths called:
  • A
    Orbits
  • B
    Orbitals
  • C
    Center
  • D
    Layer
✓

Answer

  1. Orbits

Explanation:

The electrons revolve around the nucleus only in certain fixed paths called orbits.

They are 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 2n2.

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