$_6C^{11}$ and $_5B^{11}$ are referred to as:

In the following radioactive transformation given below $R$ $\xrightarrow{\alpha} X$ $\xrightarrow{\beta} Y$ $\xrightarrow{\beta} Z$; the nuclei $R$ and $Z$ are

Which of the following pairs of nuclides is an example of isotones?

Successive emission of an $\alpha$-particle and two $\beta$-particles by an atom of an element results in the formation of its

An isotope of a 'parent' nucleus is produced when it loses:

Which of the following nuclear reactions will generate an isotope?