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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
Examples
As compared to covalent compounds, electrovalent compounds generally have: (1) Low melting points and low boiling points (2) Low melting points and high boiling points (3
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(a) Derive a relationship between the elevation in boiling point of a solution and the mole fraction of the solute from the thermodynamic consideration. (b) The molal elevatio
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Number of protons, neutrons and electrons in the element 231/89 y is: (1) 89, 231, 89 (2) 89, 89, 242 (3) 89, 142, 89 (4) 89, 71, 89 Ans: 89, 142, 89
Explain the Electrode reactions and the cell reaction? A cell diagram, with its designation of the left and right electrodes, allows us to write reaction equations for the cell
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