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Rutherford proposed the atomic model after his most striking experiment on $\alpha$ – scattering leading to discovery of nucleus. Bohr later on modified the atomic model on the basis of Planck’s quantum theory of light and proposed the concept of stationary circular orbits of quantised energy $\large\frac{nh}{2\pi}$. The collection of fine lines in line spectrum led Sommerfeld to gave the idea of elliptical orbits. He successfully explained the existence of subshells and their number in a shell. The angular momentum of subshells was propped as $\sqrt{l(l+1}\times\large\frac{h}{2\pi}$. The emission of a spectral line in atomic spectra was supposed to be due to the jump of electron from one energy level to other. Calculate the total number of fundamental particles in $^{14}_6C$ is

$(a)\;6\qquad(b)\;8\qquad(c)\;14\qquad(d)\;20$

1 Answer

The total number of fundamental particle in $^{14}_6C$ can be obtaine by
6p+6e+8n=20
Hence the answer is (d)
answered Feb 8, 2014 by sharmaaparna1
 

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