Answered

Atoms of different isotopes of the same element differ in their total number of

(1) electrons (3) protons

(2) neutrons (4) valence electrons

Verified Answer :

Atoms of different isotopes of the same element differ in their total number of Neutrons.

saqrabdo16

Answer:

nuetrons

Explanation:

Changing the protons will change the element so that cant be it. not 1 and 4

3

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