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The average atomic mass of the element is 12.01 amu. What is the identity of the element?

A. sulfur
B. calcium
C. carbon
D. magnesium


Sagot :

Final answer:

The element with an average atomic mass of 12.01 amu is carbon.


Explanation:

The identity of the element with an average atomic mass of 12.01 amu is carbon. This mass is derived from the weighted average of the naturally occurring isotopes of carbon, with carbon-12 being the predominant isotope.

One atom of carbon-12 is assigned a mass of exactly 12 atomic mass units (amu), which serves as the reference standard for comparing the masses of other elements. The average molar mass of carbon is 12.011 g/mol.

Therefore, based on the given average atomic mass, the identity of the element is carbon.


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