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Most of the isotopes with atomic mass numbers below 14 decay to isotopes of carbon, while most of the isotopes with masses above 15 decay to isotopes of oxygen. The shortest-lived known isotope is nitrogen-10, with a half-life of 143(36) yoctoseconds , though the half-life of nitrogen-9 has not been measured exactly.
This is a list of radioactive nuclides (sometimes also called isotopes), ordered by half-life from shortest to longest, in seconds, minutes, hours, days and years. Current methods make it difficult to measure half-lives between approximately 10 −19 and 10 −10 seconds.
Isotopes neighbor each other vertically. Examples include carbon-12, carbon-13, and carbon-14 in the table above. Isotones are nuclides with the same number of neutrons but differing numbers of protons. Isotones neighbor each other horizontally. Examples include carbon-14, nitrogen-15, and oxygen-16 in the table above.
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Carbon-14 undergoes beta decay: . 14 6 C → 14 7 N + e − + ν e + 156.5 keV. By emitting an electron and an electron antineutrino, one of the neutrons in carbon-14 decays to a proton and the carbon-14 (half-life of 5700 ± 30 years [1]) decays into the stable (non-radioactive) isotope nitrogen-14.
Isotopes of nitrogen. Main isotopes Decay; ... 0.018 24: 1.02 ... Nitrogen has two stable isotopes: 14 N and 15 N. The first is much more common, making up 99.634% of ...
Of the 26 "monoisotopic" elements that have only a single stable isotope, all but one have an odd atomic number—the single exception being beryllium. In addition, no odd-numbered element has more than two stable isotopes, while every even-numbered element with stable isotopes, except for helium, beryllium, and carbon, has at least three.
Template: Infobox nitrogen isotopes. ... ACTION: A nucleus emits a specific type of smaller nucleus (A 1, Z 1) which is larger than an alpha particle (e.g. 14 C, 24 Ne)