What will be the difference in the chemical properties of radioactive isotopes and stable isotopes of an element?
Answer
There is no difference, because the chemical properties depend on the electrons of the atom, whereas the number of neutrons in the atom varies in isotopes.
How is the radius of a nucleus related to its mass number?###Write the relation between radius R and mass number A of a nucleus.
Answer
If the nucleus is considered approximately spherical with radius R and mass number A , then it has the following relation : $R=R_0 A^{1 / 3}$ where $R_0$ is a constant.