Translation of atomic weight in Spanish:

atomic weight

peso atómico, n.


  • 1

    peso atómico masculine
    • Atoms of an element that have the same atomic number but a different atomic weight are referred to as isotopes.
    • It has an atomic number of 101 and an approximate atomic weight of 258.
    • 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.
    • In general the molecular weight of a molecule is the sum of the atomic weights of its constituent atoms.
    • Hydrogen is the lightest element, so it provides a convenient unit for measuring the relative atomic weights of the other elements.