Physics, 03.06.2020 00:59, miathegreat

Atoms with certain characteristics are radioactive. Which is least likely to be
radioactive?
A. all atoms with an atomic number under 40
B. all atoms with an atomic number over 83
C. all atoms with twice as many neutrons as protons
C
D. all atoms with half as many neutrons as protons

Answers: 3

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Atoms with certain characteristics are radioactive. Which is least likely to be
radioactive?