Question

HOW MANY NITROGEN ISOTOPES EXIST IN NATURE?

Answer 1

Answer:

Nitrogen has two stable isotopes, nitrogen-14 and -15. The abundance ratios of the two isotopes among geological samples, both extraterrestrial and terrestrial, exhibit wide variations, despite the first-order expectation of its stable nature.

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Answer 2

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Nitrogen has two stable isotopes, nitrogen-14 and -15. The abundance ratios of the two isotopes among geological samples, both extraterrestrial and terrestrial, exhibit wide variations, despite the first-order expectation of its stable nature. This expectation derives from the absence of important sinks or sources of these nuclides by any known nuclear reactions that may naturally occur, apart from their nucleosynthesis in several kinds of stellar environments. Nitrogen is one of the most important elements in organic matter preserved in geological samples. The isotopic variations of nitrogen may provide important clues to deciphering the formation processes for these samples.

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