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Structure of the Atom — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
MCQ
The 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 $K, L, M, N,$ etc. Each orbit consists of a fixed number of electrons.
The electrons are distributed in the orbits according to the formula $2n^2.$

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