RELATIVE ATOMIC MASS Meaning and
Definition
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Relative atomic mass is a term used in the field of chemistry to quantify the average mass of an atom. Also known as atomic weight, it is a dimensionless quantity expressed in atomic mass units (amu). The relative atomic mass represents the weighted average mass of all the isotopes of an element found in nature, taking into consideration their abundance. Isotopes are variations of an element that possess the same number of protons but different numbers of neutrons.
To determine the relative atomic mass, scientists take into account the mass of each isotope and its relative abundance. The mass of each isotope is multiplied by its abundance, and the values are summed to obtain the relative atomic mass. This value is then compared to the mass of a standard atom used as a reference. Carbon-12, with a mass of exactly 12 atomic mass units, is often used as the reference for relative atomic mass calculations.
The relative atomic mass is an essential concept in stoichiometry and chemical calculations, as it provides information about the masses of atoms involved in a chemical reaction. It is typically listed on the periodic table of elements and serves as a useful tool for understanding the behavior and properties of different elements.
Common Misspellings for RELATIVE ATOMIC MASS
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