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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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What is Atomic Mass unit based on?

The atomic mass unit (u) is based on the mass of a carbon-12 atom, which is defined as exactly 12 atomic mass units. This standard allows scientists to compare the masses of different atoms based on their atomic masses relative to carbon-12.


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.


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.


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


Standard for the atomic mass unit?

A Carbon Twelth


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


Si units used for the masses of atomic particles?

The atomic mass unit (u) or unified atomic mass unit (amu) is the standard unit used to measure the masses of atomic particles such as protons, neutrons, and electrons. 1 atomic mass unit is defined as 1/12th of the mass of a single carbon-12 atom.


What was the atomic mass unit system devised to make?

The atomic mass unit system was devised to accurately describe the mass of atoms and subatomic particles on a consistent scale. It provides a unified standard for expressing relative atomic masses of elements based on the carbon-12 isotope.


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.


What unit is used to meause weighted average atomic mass?

The unit used to measure weighted average atomic mass is atomic mass unit (amu). This unit is a standard for atomic and molecular mass measurements in chemistry and is defined as one twelfth of the mass of an atom of carbon-12.


What is the unit of an atomic mass for aluminum?

The unit of atomic mass for aluminum is atomic mass unit (amu) or unified atomic mass unit (u).


What is the standard for atomic mass unit called?

One twelfth (1/12) the mass of a carbon-12 atom is one atomic mass unit (amu, or just u).