The Atomic Mass of an atom is primarily made up of protons and neutrons, which are collectively known as nucleons. Protons, positively charged particles, and neutrons, neutral particles, reside in the nucleus of an atom. Electrons, which are negatively charged, contribute negligibly to the atomic mass due to their much smaller mass compared to protons and neutrons. Thus, the atomic mass is largely determined by the number of protons and neutrons in the nucleus.
The mass number is the sum of protons and neutrons in the atomic nucleus.
protons is the same number as the atomic number always and protons plus the average number of neutrons makes up the atomic mass
The atomic mass unit of protons and neutrons is approximately 1.67 x 10^-27 kg. This unit is used to express the mass of subatomic particles in atomic physics.
The atomic mass unit system was devised to accurately describe the mass of atoms and subatomic particles on a consistent scale. It provides a unified standard for expressing relative atomic masses of elements based on the carbon-12 isotope.
Subatomic particles with no mass are called neutrinos. Neutrinos are elementary particles that have extremely small, non-zero masses, but they are considered nearly massless in many calculations due to their very small mass values.
protons and neutrons are subatomic particles and adding the two amounts together gives you the atomic mass unit
The protons and neutrons.
Protons and neutrons.
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The three main subatomic particles are the proton, neutron, and electron. Of these three, the electron has the least amount of mass at about 0.0005 amu or Atomic Mass units.
Protons and neutrons are the subatomic particles that have mass and are included in the calculation of the atomic mass number. Electrons have very low mass compared to protons and neutrons and are usually not included in the atomic mass calculation as they contribute very little to the overall mass of an atom.
Subatomic particles with no charges are neutrons
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