MCQ
Rutherford’s $\alpha$-particle scattering experiment proved that atom has
- AElectrons
- BNeutron
- ✓Nucleus
- DOrbitals
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Statement $I :$ Bohr's theory accounts for the stability and line spectrum of $Li ^{+}$ ion.
Statement $II :$ Bohr's theory was unable to explain the splitting of spectral lines in the presence of a magnetic field.
In the light of the above statements, choose the most appropriate answer from the options given below: