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Which of the following atoms are isotopes of each other?

(1) An atom with 17 protons and 18 neutrons

(II) An atom with atomic number 16 and atomic mass 32

(III) An atom with atomic number 15 and atomic mass 32

(IV) An atom with 17 protons and 20 neutrons

A. I and II

B. II and III

C. III and IV

D. I and IV


Sagot :

D

Isotopes have the same number of protons so they both have 17 and a different amount of neutrons which is why the mass number is different

Answer:

D

Explanation: