Physics - Modern Physics Question with Solution | TestHub

Since isotones have the same number of neutrons.

${}_6^{14}\mathrm{C}$$=N=14-6$

$N=8$

${}_7^{15}\mathrm{C}$$N=15-7$

$=8$

${}_8^{16}\mathrm{O}$$N=16-8$

$=8$

For all N = 8