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Q. Illustrate about nuclear particle?
In 1932 Rutherford with Chadwick demonstrated the existence of the neutron a nuclear particle having no charge but with nearly the same mass as a proton. The following table recapitulate the sub- atomic particles that comprise the atom.
Particle
Symbol
Electrical charge
Relative mass
Actual mass (g)
Electron
e-
1-
1/1840
9.11 * 10- 28
Proton
P+
1+
1
1.673 *10 -24
Neutron
n0
0
1.675*10 -24
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The shape of an orbital is given by the quantum number : (1) n (2) l (3) m (4) s Ans: l
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