Question

Define the atomic mass unit.

One atomic mass unit is equal to exactly one-twelfth (1/12th) the mass of one atom of carbon-12. The relative atomic masses of all elements have been found with respect to an atom of carbon-12.


One atomic mass unit is equal to exactly one-sixteenth (1/16th) the mass of one atom of oxygen-16. The relative atomic masses of all elements have been found with respect to an atom of oxygen-16.


One atomic mass unit is equal to exactly one-twelfth (1/12th) the mass of one atom of sulphur-12. The relative atomic masses of all elements have been found with respect to an atom of suphur-12.


One atomic mass unit is equal to exactly one-twelfth (1/12th) the mass of one atom of nitrogen-12. The relative atomic masses of all elements have been found with respect to an atom of nitrogen-12.​

Answer 1

Answer:

A unit of mass used to express atomic and molecular weights equal to the one twelfth of the mass of an atom of carbon - 12

Answer 2

Answer:

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