Choose the correct statement
The nuclear force becomes strong if the nucleus contains too many protons compared to neutrons
The nuclear force becomes strong if the nucleus contains too many neutrons compared to protons
Nuclei with atomic number less than $82$ shows a tendency to disintegrate
The nuclear force becomes weak if the nucleus contains a large number of nucleons
Of the following pairs of species which one will have the same electronic configuration for both members?
The volume occupied by an atom is greater than the volume of the nucleus by a factor of about
The atoms of same element having different masses but same chemical properties, are called
The ratio of radii of nuclei $_{13}A{l^{27}}$ and $_{52}{X^A}$ is $3 : 5$. The number of neutrons in the nuclei of $X$ will be
A chain reaction is continuous due to