(Chemistry) the mass of an atom of a chemical element expressed in atomic mass units.
Синонимы
Examples for "atomic mass "
Examples for "atomic mass "
1 Then there is the atomic number atomic mass number.
2 As for Dalton, his name lives on as alternate designation for the atomic mass unit or amu.
3 He soon had a table of 21 elements arranged by atomic mass , which he presented in a scientific paper the following month.
4 With a relative uncertainty of eight parts per trillion, this is the most precise mass value measured directly in atomic mass units.
5 All units of mass-thekilogram, the atomic mass unit, and even America's sweetheart, the pound-canbe calculated from that value of Planck's constant.
1 The atomic number plus the number of neutrons is called the atomic weight .
2 The smallest number so obtained will be approximately the atomic weight .
3 Challenging, since the guy had a foot twice the atomic weight of lead.
4 Each descending element is of lighter atomic weight than its predecessor.
5 I don't get the two items after the atomic weight , though.
Grammar, pronunciation and more
Translations for relative atomic mass