Question

Which of the following represents isotope, isobar, isotones respectively?

• A. $\left(^{1}_{1}H,\,^{4}_{2}He\right),\,\left(_{12}C^{24},\,_{13}C^{26}\right),\,\left(_{5}X^{11},\,_{6}Y^{31}\right)$
• B. $\left(^{1}_{1}H,\,^{4}_{2}He\right),\,\left(_{1}X^{3},\,_{2}Y^{4}\right),\,\left(_{3}Y^{4},\,_{5}Z^{6}\right)$
• C. $\left(_{1}H^{1},\,_{1}H^{3}\right),\,\left(_{2}He^{3},\,_{1}H^{3}\right),\,\left(_{79}X^{197},\,_{80}Y^{190}\right)$
• D. None of these

Answer 1

Answer: (C)

$\left(_{1}H^{1},\,_{1}H^{3}\right),\,\left(_{2}He^{3},\,_{1}H^{3}\right),\,\left(_{79}X^{197},\,_{80}Y^{190}\right)$

Answer 2

Answer (c) $\left(_{1}H^{1},\,_{1}H^{3}\right),\,\left(_{2}He^{3},\,_{1}H^{3}\right),\,\left(_{79}X^{197},\,_{80}Y^{190}\right)$