What are three isotopes of carbon?

Answer 1

#""^12C#. #""^13C#, and #""^14C#.

The heaviest isotope shown has a half life of about 6000 years (this is from memory, so check). The #""^13C# isotope is abundant enough (approx. 1%) to make #""^13C# NMR spectroscopy a routine method of characterization for organic chemists. Most universities would have 1 or more #""^13C# NMR spectrometers. #""^12C# isotope is the bog standard, naturally abundant one that you sprinkle on your cornflakes when it (the isotope) is bound to oxygen and hydrogen.

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Answer 2

Avery Adams

Carbon is found in three different isotopes: carbon-12, carbon-13, and carbon-14.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.