Which describes an isotope? A. two atoms of two different elements that have the same atomic mass B. two atoms of the same element that differ because they have a different number of neutrons C. two atoms of two different elements that have the same number of neutrons D. two atoms of the same element that differ because they have a different number of protons

Question

Which describes an isotope?  A.  two atoms of two different elements that have the same atomic mass  B.  two atoms of the same element that differ because they have a different number of neutrons  C.  two atoms of two different elements that have the same number of neutrons  D.  two atoms of the same element that differ because they have a different number of protons

anonymous · Answer

As our good friend wikipedia tells us `Isotopes are variants of a particular chemical element which differ in neutron number, although all isotopes of a given element have the same number of protons in each atom. ` http://en.wikipedia.org/wiki/Isotope

anonymous · Answer

Thank You.