how is the mass number different from the atomic number?

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 ... 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 ... Mar 20, 2025 ... The mass number is defined as the total number of protons and neutrons in an atom. It can be calculated by adding the number of neutrons and the number of ... Protons are the positively charged subatomic particles present in the atomic nuclei. They have a charge equal to that of an electron in magnitude and mass of ... 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. + ... It differs from the exact mass of the atom in atomic mass units, amu, which is often known and expressed to six decimal places. (One amu is exactly one-twelfth ... 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 ... ... 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 ... 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 ... The atomic number is equal to the number of protons found in an atom. B. Neutrons – Neutrons carry no charge and have a slightly larger mass than protons.