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What happens if an atom has too many or too few neutrons? HELP PLEASE!!!

User Jacksonkr
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When the nucleus of an atom possesses either too many or too few neutrons compared to the number of protons it becomes unstable. These are called radioactive isotopes. Unstable nuclei split up in a process called radioactive decay and emit radioactive radiation.
User Jichi
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When the nucleus of an atom possesses either too many or too few neutronscompared to the number of protons it becomes unstable. These are called radioactive isotopes. Unstable nuclei split up in a process called radioactive decay and emit radioactive radiation.
User Jeff Watkins
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