Encyclopediaatomic mass unitatomic mass unit or amu,in chemistry and physics, unit defined as exactly 1/12 the mass of an atom of carbon-12, the isotope of carbon with six protons and six neutrons in its nucleus. One amu is equal to approximately 1.66 × 10-24 grams. The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2007, Columbia University Press. All rights reserved. More on atomic mass unit from Fact Monster:
- atomic weight - atomic weight atomic weight, mean (weighted average) of the masses of all the naturally occurring ...
- atomic mass - atomic mass atomic mass, the mass of a single atom, usually expressed in atomic mass units (amu). ...
- phosphorus - phosphorus phosphorus [Gr.,=light-bearing], nonmetallic chemical element; symbol P; at. no. 15; at. ...
- formula weight - formula weight formula weight, in chemistry, a quantity computed by multiplying the atomic weight ...
- equivalent weight - equivalent weight. equivalent weight. The equivalent weight of an element or radical is equal to ...
|
