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窒素同位体
Wikipedia definition
1. Isotopes of nitrogenNatural Nitrogen (N) consists of two stable isotopes, nitrogen-14, which makes up the vast majority of naturally occurring nitrogen, and nitrogen-15. Fourteen radioactive isotopes have also been found so far, with atomic masses ranging from 10 to 25, and one nuclear isomer, N. All of these radioisotopes are short-lived, with the longest-lived one being nitrogen-13 with a half-life of 9.965 minutes.
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