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Please explain what is carbon 12

Dear student,

Carbon-12 is an isotope of carbon that has 6 protons and 6 neutrons in its nucleus so that its mass n.o is 12.

carbon-12 is chosen as a standard for assigning the atomic masses. So atomic masses of all the elements are assigned with respect to carbon-12. 

 

1 atomic mass unit= 1/12 th of the mass of one carbon-12 atom.

Regards

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Carbon-12 is the more abundant of the two stable isotopes of carbon, amounting to 98.93% of the element carbon; its abundance is due to the triple-alpha process by which it is created in stars.
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an isotope of carbon
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arbon-12 is the more abundant of the two stable isotopes of carbon, amounting to 98.93% of the element carbon; its abundance is due to the triple-alpha process by which it is created in stars.
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Carbon
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