a dimensionless physical quantity defined as the ratio of the average mass of atoms of a chemical element in a given sample to the atomic mass constant. |
The relative atomic mass of an element is a weighted mean mass of the isotopes of an element compared with that of the 12C isotope, which has a mass of exactly ... |
16 апр. 2024 г. · A more common definition of relative atomic mass is the mass of an atom compared to 1/12th of the mass of a carbon-12 atom. |
The relative atomic mass of an element is the weighted mean mass of its atoms compared to 1⁄12th the mass of a 12C atom. It is given the symbol Ar. |
The relative atomic masses of elements are proportional measures. For example, the Ar for carbon is 12, and the Ar for magnesium is 24. This means that ... |
Relative means 'compared to something else'. The 'thing' we compare the mass of an atom to is an atom of carbon-12. This makes carbon-12 the 'standard' ... |
Relative atomic mass (A r ) is the average mass of an element compared to one-twelfth the mass of a single carbon-12 atom. |
Relative atomic mass can be defined as the ratio of the average mass of atoms of a chemical element in a given sample to the atomic mass constant. |
A relative atomic mass (also called atomic weight; symbol: A r ) is a measure of how heavy atoms are. It is the ratio of the average mass per atom of an element |
The relative molecular mass of a molecule is the average mass of one molecule of that element or compound compared to 1/12 of the mass of one carbon-12 atom. |
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