Packing fraction
From Mass Spec Terms
| DRAFT DEFINITION | 
| Packing fraction | 
|---|
| Obsolete Mass defect of an atom divided by its mass number and multiplied by 10,000. | 
| Related Term(s): mass defect | 
| Reference(s): F. W. Aston, "Atoms and Their Packing Fractions" Nature 120, 956 (1927), http://dx.doi.org/10.1038/120956a0 | 
| This is an unofficial draft definition presented for information and comment. | 
