Definition of atomic weight in English:
Another term for relative atomic mass.
- In general the molecular weight of a molecule is the sum of the atomic weights of its constituent atoms.
- Finding that the isotopes of neon have atomic weights that are whole numbers vindicated Prout's hypothesis that hydrogen was the basis for all the elements.
- The sum of the atomic mass of the protons and neutrons determines the atomic mass or atomic weight of the nucleus.
Definition of atomic weight in:
- US English dictionary
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