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Exactly 12 Atomic Mass units, or 12/(Avogadro's Number) = about 1.993 X 10-23 grams.

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14y ago
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9y ago

Its relative mass is exactly 12 amu.

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Q: The carbon 12 atom is assigned a relative mass of exactly?
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Related questions

What is molecular mass?

the relative molecular mass or molecular weight of a compound is the mass of a molecule of the compound relative to the mass of a carbon atom taken as exactly 12.


What is formula units?

One atom unit is a mass unit equal to exactly one-twelfth112th 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


Did scientists choose carbon as a base for the atomic mass unit which isotope of carbon did they use?

The atomic mass may be considered to be the total mass of protons, neutrons and electrons in a single atom (when the atom is motionless). Relative isotopic mass is the relative mass of a given isotope scaled with carbon-12 as exactly 12.


Why did scientists choose carbon as a base for the atomic mass unit Which isotope of carbon did they use?

The atomic mass may be considered to be the total mass of protons, neutrons and electrons in a single atom (when the atom is motionless). Relative isotopic mass is the relative mass of a given isotope scaled with carbon-12 as exactly 12.


The standard on which the atomic mass unit is based is the mass of a?

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


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

The atomic mass may be considered to be the total mass of protons, neutrons and electrons in a single atom (when the atom is motionless). Relative isotopic mass is the relative mass of a given isotope scaled with carbon-12 as exactly 12.


Which atom in the carbon-chlorine bond is assigned the delta negative charge?

The Chlorine atom has the delta negative charge because it's more negative than carbon.


Which atom in the carbon-chlorine bond is assigned the delta negative charge.?

The Chlorine atom has the delta negative charge because it's more negative than carbon.


What is the atomic number of a atom with 6p 6n?

One atom of Carbon-12 (6p+ and 6n0) is assigned a mass of 12 uv


How many lone pair of electrons are on the carbon atom in the carbon monoxide molecule?

their is exactly 56


What is the assigned atomic mass of carbon-12?

The atomic number of any carbon isotope is 6, the number of protons in the nucleus of any carbon atom, irrespective of its mass number.


Atomic mass of an element?

The atomic mass of an element is the relative mass of its atom as compared with the mass of a carbon-12 atom taken as 12 units.