Question

12. The isotopes of an element do not differ in the
number of_____but do differ in the number of_____
​

Answer 1

Answer:An isotope has the same number of but a different number of than other atoms of the same element  .Atoms of the same element that contain the same number of protons, but different numbers of neutrons, are known as isotopes.

Explanation:

Answer 2

The isotopes of an element do not differ in the

number of subtracting but do differ in the number of neutrons.