What Does Atomic Weight Mean?


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The atomic weight can be defined as 'a measure of how much mass an atom has.' Atomic weight is determined by the adding up up of the numeral protons and the number of neutrons.

A chemical element's atomic mass is 'the mass of an atom at rest,' which is commonly expressed in integrated atomic mass units. The term atomic mass is often uses in lieu of relative atomic mass, or average atomic mass and even atomic weight. It is important to note that there are subtly differences.

Nowadays there has been a gradual trend to phase out the term atomic weight in favour of the term relative atomic mass. Standard atomic weight is a term that refers to an element's mean relative atomic mass. It is 'the usual of the atomic masses of all the chemical element's isotopes as found in a meticulous environment, biased by isotopic abundance'.

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