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An unstable nucleus spontaneously releases a positron. This is an example of

January 2018 NY Regents Chemistry Exam


29 An unstable nucleus spontaneously releases a positron. This is an example of (1) radioactive decay (2) nuclear fusion (3) chemical decomposition

(4) thermal conductivity


Solution: Radioactive decay is a reaction where an unstable nucleus releases a particle such as position, beta, or alpha.

Answer: 1


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