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Standard atomic mass

Updated: 12/12/2022
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The mass of carbon -12 atom is known as standard Atomic Mass

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Related questions

Standard for the atomic mass number?

An atom of carbon-12 has a mass of exactly 12 atomic mass units. This is now the standard.


What is the atomic mass of francium?

The standard atomic weight of francium is considered [223].


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.


What is the atomic mass of Darmstadtium?

The standard atomic weight of darmstadtium is considered 281.


What is the atomic mass of Pottassium?

Standard atomic mass of potasium is 39.0983(1) g·mol−1


Standard for the atomic mass unit?

A Carbon Twelth


What is the atomic mass of mendelevium?

After IUPAC (2009) the standard atomic weight of mendelevium is [258].


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 atomic mass units for isotopes?

It depends on the element.


What is the atomic mass of polonium?

The standard atomic weight of polonium is [210], after IUPAC rules.


Why do you need to use a standard when performing electrophoresis?

To compare the atomic mass and rf values with the standard


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.