(Explore 1) Which of these isotopes is named hydrogen-3 (H-3)?
(Explore 1) Which sentence explains why C-12 and C-13 are more prevalent on Earth.
(Explore 2) Select all true attributes of strong nuclear forces
They are effective only if nucleons are greater than 1x10-15m apart
They are effective only if nucleons are closer than 1x10-15m apart
They act on all nucleons
They act only on protons
They require similar numbers of protons and neutrons in a nucleus, otherwise the atom may be unstable