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2 Beginner
3 Intermediate
3 Advanced
Question 1 of 8
Score: 0/—
★☆☆ Beginner
According to the core concept presented, what is the primary reason an atomic nucleus undergoes radioactive decay?
A
It is forced to break apart by an external energy source.
B
It has an imbalanced arrangement of nucleons, making it unstable.
C
It needs to release electrons to form chemical bonds with other atoms.
D
It has too many protons compared to the number of orbiting electrons.