Question

What is an Isotope?
(A) Atoms of an element having different mass number
(B) Atoms of an element having same mass number
(C) Atoms of an element having different atomic number
(D) Atoms of an element having same atomic number​

Answer 1

Answer:

each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.

Explanation:

here is the thing understand and wite it plz

Answer 2

d is the correct answer i think