what are the current limitations in our ability to measure mass numbers accurately?

One atomic mass unit (amu): the mass exactly equal to one-twelfth the mass of one ... Mass number (number of protons plus neutrons). Page 2. Atomic mass = ( ... There is an equal number of electrons surrounding the nucleus to keep ... mass number, "A", varies. Take hydrogen, for example. It has three naturally ... atomic number=14Si28 = mass number. The mass number is 28, which tells us that silicon has a total number of protons and neutrons that equals 28. As we ... ... equal to 1/12 of the mass of a carbon-12 atom. Atomic number. The number of ... All nuclides with a certain mass number, but a different atomic number ... Jan 17, 2003 ... the mass number, or number of nu- cleons, gives the binding energy ... equal to 2j +1; S gives the number of particles in the shell or ... (with respect to a sphere of equal volume) due to thermal shape fluctuations ... tion of the NFDM for the abundance nA of fragments of mass number A,. nA ... Since protons and electrons have equal and opposite charges, this means that atoms have no overall electrical charge. For example, the atomic number of sodium ... The experimental data for 25 isomeric pairs were compared with the model calculations carried out with the TALYS code. The reduced χ 2 values were calculated to ... ... equal to 1. The first two can be setup in the menu, and the diffuse ... Mass number of the selected species. Output parameters: Helium number density ... The atomic number is equal to the number of protons in the atom, therefore silicon ... What would happen to the atomic number and mass number? It would be an ...