Problem: Complete the sentence to explain why the atomic weight of carbon is reported as 12.011 in the table of elements and the periodic table in the front inside cover of the textbook.The atomic weight of carbon reported on the front-inside cover of the text is the _. The mass 12 amu is the _, while the atomic weight of 12.011 is the _.

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The notation for carbon-12 indicates its amu. Carbon-12 is a specific isotope of carbon that contains six protons and six neutrons. The amu of an atom is the summation of the neutrons and protons in its nucleus.


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Problem Details

Complete the sentence to explain why the atomic weight of carbon is reported as 12.011 in the table of elements and the periodic table in the front inside cover of the textbook.

The atomic weight of carbon reported on the front-inside cover of the text is the _. 

The mass 12 amu is the _, while the atomic weight of 12.011 is the _.


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Based on our data, we think this problem is relevant for Professor Wyslouzil's class at OSU.