From which part of a radioacitve atom is `beta`-particle emitted?

From which part of the atoms are radioactive rays emitted? Which of the radioactive rays has the highest penetrating power and which has the highest ionising power?

What will be the change in the ratio of neutrons to protons of a nucleus if (i) a beta -particle is emitted, (ii) a positron is emitted and (iii) a gamma -ray photon is emitted?

Name a neutral particle in atom?

From the nucleus of a Polonium atom ._84Po^218 , an alpha -particle and two beta -particles are emitted successively due to radioactive disintegration. What will be the nuclei produced in these steps ?

The atomic mass of Th is 232 and its atomic number is 90. In terms of its radioactivity six alpha and four beta particles are emitted. What is the mass number and atomic number of the product.

Which part of camel protects it from dehydration?

Loss of a beta -particle is equivalent to

If an alpha -particle and two beta -particles are emitted from from a radioactive element, the element produced becomes an ____of the parent element.

92^(U^(238)) undergoes a series of changes by emitting alpha and beta particles and finally 82^(Pb^(206)) is formed. Calculate the number of alpha and beta particles emitted during the change.