Question

Which of the following statement is correct and why?
Q. Structure of nuclei of three atoms X, Y and Z are as follows :
(1) X has 90 Protons and 146 Neutrons.
(2) Y has 92 Protons and 146 Neutrons.
(3) Z has 90 Protons and 148 Neutrons.
Which of the statement is correct based on above data ?
(A) X and Z are isotopes; Y and Z are isobars.
(B) X and Y are isotopes; X and Z are isobars.
(C) Y and Z are isobars; X and Y are isotopes.
(D) X and Z are isotopes; X and Y are isobars.

Answer 1

Dear Student,

$$\begin{gathered} \text{Dear Student,} \\ {{ \\ }^{236}}_{90}\mathrm{X},{{}^{238}}_{92}\mathrm{Y},{{}^{238}}_{90}\mathrm{Z} \\ \mathrm{X}\mathrm{and}\mathrm{Z}\mathrm{are}\mathrm{isotopes}(\mathrm{having}\mathrm{same}\mathrm{atomic}\mathrm{number}) \\ \mathrm{Y}\mathrm{and}\mathrm{Z}\mathrm{are}\mathrm{isobars}(\mathrm{Having}\mathrm{same}\mathrm{mass}\mathrm{number}) \\ \mathrm{Regards} \end{gathered}$$