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Scientists have agreed to say that Carbon 12 weighs 12 a.m.u. exactly. All other nuclides are quoted relative to this.

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13y ago
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14y ago

carbon-12 atom

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9y ago

The mass of an atom of Hydrogen.

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Q: The standard on which the atomic mass unit is based is the mass of a?
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Related questions

Is atomic mass unit is SI unit of atomic mass?

No, the SI unit of mass is still the kilogram. However, the AMU has been accepted as a suitable standard unit.


How are the atomic mass unit and the atomic mass related?

because they are the sameAdded:Atomic mass is the quantitive propertie of the mass of an atom,the atomic mass unit is the (standard) UNIT by which it is measured:1 a.m.u. = 1.66*10-27 kg


What is the standard on which the amu is made?

The atomic mass unit uses carbon-12 as a standard. The atomic mass unit is one twelfth of the mass of one atom of the isotope carbon-12.


Standard for the atomic mass unit?

A Carbon Twelth


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.


Standard atomic mass is based on what element?

Carbon 12 isotope weighs exactly 12 atomic mass units thank you the other person who said it was B is a douche


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 is the unit of measurement use for atomic particles?

Atomic mass unit


Standared for the atomic mass unit?

The standard a.m.u. is 1/12th of the mass of a Carbon 12 nuclide.


What is the difference between atomic mass and atomic mass unit?

The atomic mass unit is used to express the measure of the atomic mass.


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

carbon


What is an amu and does it relate to atoms?

AMU stands for atomic mass unit. 1 amu is 1.66053892 times 10 up to the negative 27 kilograms.