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प्रश्न
What do you mean by Mass number.
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उत्तर
Mass number is the sum of protons and neutrons present in the nucleus.
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संबंधित प्रश्न
An element `""_ZS^A` decays to `""_85R^222` after emitting 2 α particles and 1 β particle.
Find the atomic number and atomic mass of the element S.
Name the unit in which the work function of a metal is expressed.
Give one example of isobars.
What do you mean by electron emission?
In a cathode ray tube state. How is it possible to increase the rate of emission of electrons.
From α, β and γ-rays, name the one which is not affected by electric or magnetic field?
Mention four properties of Becquerel rays.
Complete the following radioactive reaction:
\[\ce{^-_-X -> ^-_-Y + ^4_2He -> ^234_91Z + ^0_-1e}\]
A deuteron strikes 8O16 nucleus with subsequent emission of an alpha particle. Identify the nucleus so produced:
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Reason (R): Rutherford did α-particles scattering experiment.
