If one neutron is added to a nucleus of an isotope of carbon, ¹²C, in a particular nuclear reaction, the result will be A) (¹¹C.) B) (¹³C.) C) (¹²O.) D) (¹³O.)

Question

Quizplus · Accepted Answer

Adding a neutron to a nucleus changes its mass number (the sum of protons and neutrons) but not its atomic number (the number of protons, which determines the element). Therefore, the isotope of carbon will remain carbon but with an increased mass number by one.

If One Neutron Is Added to a Nucleus of an Isotope