Question

Atoms of isotopes of the same element contain the same number of

(A) protons but a different number of neutrons 

(B) electrons but a different number of protons

(C) neutrons but a different number of protons 

(D) neutrons as electrons 

(E) protons as neutrons

Answer 1

The correct option is: (A) protons but a different number of neutrons 

Explanation:

This is the definition of an isotope. Same atomic number so same number of protons. Different numbers of neutrons make it an isotope. Also a baseball team on The Simpsons.