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Carbon 12.

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Q: What isotope defines the atomic mass unit?
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Is atomic mass unit a SI unit of an atomic mass?

The atomic mass unit is not a SI unit. An atomic mass unit is equal to 1/12 from the atomic mass of the isotope 12C.


Atomic mass unit is determined by Oxygen-16?

The atomic mass unit is 1/12 from the atomic mass of the isotope 12C.


What is atomic mass unit?

The Atomic Mass unit is 1/12 from the atomic mass of the isotope carbon-12, in steady state.


What is the atomic mass unit?

The atomic mass unit is 1/12 from the atomic mass of the isotope carbon-12, in steady state.


An atomic weight unit is the mass of one?

The atomic weight unit is 1/12 from the atomic mass of isotope 12C.


Is the atomic mass determined by oxygen-16?

The unit for atomic mass is 1/12 from the mass of the isotope 12C.


What is Atomic Mass unit based on?

The mass of any isotope is based on the mass of an isotope of carbon, which is assigned a mass of 12.


What isotope of carbon has been chosen as the reference isotope for atomic mass unit?

carbon 12


What do you use atomic mass units for?

The atomic mass unit is 1/12 from the mass of the isotope 12C.


What unit of measure is used to measure atomic weight?

expressed in unified atomic mass unit, amuHowever, for practical purposes in the laboratory the relative atomic mass is used so the unit would be gram. (Relative atomic mass compares the mass of all elements to that of the carbon-12 isotope taken as exactly 12)


When the atomic masses of different element are expressed in atomic mass unit they are mostly found to be almost integer multiples of hydrogen atom?

The atomic mass unit is 1/12 from the atomic mass of the isotope 12C.


The atomic mass unit is presently based on assigning an exact integral mass to an isotope of what?

carbon