Em tham khảo nha:
\(\begin{array}{l}
a)\\
{}_1^1H{}_{17}^{35}Cl:PTK = 1 + 35 = 36\,dvC\\
{}_1^1H{}_{17}^{37}Cl:PTK = 1 + 37 = 38dvC\\
{}_1^2H{}_{17}^{35}Cl:PTK = 2 + 35 = 37\,dvC\\
{}_1^2H{}_{17}^{37}Cl:PTK = 2 + 37 = 39\,dvC\\
b)\\
{}_6^{12}C{}_8^{16}C{}_8^{16}C:PTK = 12 + 16 + 16 = 44\,dvC\\
{}_6^{12}C{}_8^{17}C{}_8^{17}C:PTK = 12 + 17 + 17 = 46\,dvC\\
{}_6^{12}C{}_8^{18}C{}_8^{18}C:PTK = 12 + 18 + 18 = 48\,dvC\\
{}_6^{12}C{}_8^{16}C{}_8^{17}C:PTK = 12 + 16 + 17 = 45\,dvC\\
{}_6^{12}C{}_8^{16}C{}_8^{18}C:PTK = 12 + 16 + 18 = 46\,dvC\\
{}_6^{12}C{}_8^{17}C{}_8^{18}C:PTK = 12 + 17 + 18 = 47\,dvC\\
{}_6^{13}C{}_8^{16}C{}_8^{16}C:PTK = 13 + 16 + 16 = 45\,dvC\\
{}_6^{13}C{}_8^{17}C{}_8^{17}C:PTK = 13 + 17 + 17 = 47\,dvC\\
{}_6^{13}C{}_8^{18}C{}_8^{18}C:PTK = 13 + 18 + 18 = 49dvC\\
{}_6^{13}C{}_8^{16}C{}_8^{17}C:PTK = 13 + 16 + 17 = 46\,dvC\\
{}_6^{13}C{}_8^{16}C{}_8^{18}C:PTK = 13 + 16 + 18 = 47\,dvC\\
{}_6^{13}C{}_8^{17}C{}_8^{18}C:PTK = 13 + 17 + 18 = 48\,dvC
\end{array}\)
