chemical isotope

C18589 concept

A chemical isotope is a variant of a chemical element that has the same number of protons but a different number of neutrons in its nucleus, resulting in a different atomic mass.

Observed surface forms (11)

nitrogen isotope ×3
actinide isotope ×2
californium isotope ×1
fermium isotope ×1
isotope ×1
isotope of lutetium ×1
radioactive isotope ×1
radioactive isotope of lutetium ×1
synthetic isotope ×1
uranium isotope ×1

Instances (9)

helium-3
nitrogen-13 via concept surface "radioactive isotope"
nitrogen-14 via concept surface "nitrogen isotope"
nitrogen-15 via concept surface "isotope"
californium-252 via concept surface "synthetic isotope"
fermium-252 via concept surface "fermium isotope"
lutetium via concept surface "isotope of lutetium"
surface form: Lutetium-175
ytterbium via concept surface "ytterbium isotope"
surface form: ytterbium-171
uranium-235 via concept surface "uranium isotope"