Isotopes of an element have
A. the same atomic mass but different atomic numbers.
B. the same atomic number and mass but a different charge.
C. the same atomic number but a different atomic mass, owing to different number of neutrons.
D. the same atomic number but different atomic mass, owing to different number of protons.
Answer:C
Isotopes of an element have
A. the same atomic mass but different atomic numbers. B. the same atomic number and mass but a different charge. C. the same atomic number but a different atomic mass, owing to different number of neutrons. D. the same atomic number but different atomic mass, owing to different number of protons.