Isotopes of the same element have different ____.

Apositions on the periodic table
Catomic numbers
Bchemical behavior
Dmass numbers

Verified Answer :

lost4

The answe is D. Mass number

Answer:

d. mass numbers

Explanation:

Isotopes are atoms that have the same number of protons (atomic number) but different number of neutrons. As the definition of mass number is the sum of protons and neutron in an atom, the isotopes have different mass numbers.