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
|
1.675*10 -24
|