what is the difference between mass number and relative atomic mass?

Apr 11, 2017 ... ... number of events with muon bundles of high multiplicity was ... equal number of up, down, and strange quarks) might be the true ground ... The mass number is approximately equal to the atomic mass, which is the mass of a single atom of a element measured in atomic mass units (amu). The atomic mass ... ... mass of VOC-solvent used for thinning purposes from company records on a ... number of different coatings used during the calendar month and m is the ... Mar 26, 2025 ... Mass number is always equal to the sum of the number of protons and the number of neutrons. Electrons: Protons: respect to the mass number at 10 sccm H2 flow rate are shown in Fig. 4. In the case of the Ar/CF4 plasma, C6F9. + was maximal in intensity in the CnF2n-3. + ... Jul 18, 2018 ... The mass number of a nuclide is equal to the number of protons and neutrons in the nucleus; variation in the number of the latter produces ... Oct 5, 2024 ... The atomic number is the number of protons in an element, while the mass number is the number of protons plus the number of neutrons. ... number of protons equals the number of electrons. Because these particles have the same but opposite charges, equal numbers cancel out, producing a neutral atom ... ... 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 ... No, the mass number of an atom is not equal to the number of electrons. The mass number is the sum of the number of protons and neutrons in the nucleus of ...