Isotopes of an element have
A)the same atomic number and same atomic weight.
B)the same atomic number but different atomic weights.
C)different atomic numbers but the same atomic weight.
D)different atomic numbers and different atomic weights.

Question

Isotopes of an element have
A)the same atomic number and same atomic weight.
B)the same atomic number but different atomic weights.
C)different atomic numbers but the same atomic weight.
D)different atomic numbers and different atomic weights.

Quizplus · Accepted Answer

Isotopes of an element have the same number of protons (atomic number) but different numbers of neutrons, resulting in different atomic weights.

Isotopes of an Element Have