Mass of an atom is determined by the no. of protons+ no. of neutrons in the atom.
Nucleons are subatomic particles found in the nucleus of an atom. They include protons and neutrons. Protons are positively charged particles, while neutrons have no charge. Together, they determine the mass and stability of an atom.
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The two parts of the atom that have a mass of approximately 1 atomic mass unit (amu) are protons and neutrons. Protons are positively charged particles found in the nucleus of an atom, while neutrons are neutral particles that also reside in the nucleus. Together, these particles make up the majority of an atom's mass. Electrons, on the other hand, have a negligible mass compared to protons and neutrons.
Virtually all of the mass of an atom is carried by the proton and the neutron. The electron has very, very little mass relative to these two particles.
The atomic mass number of an element is determined by mass of the nucleus of an atom. Therefore the particles that make up the nucleus determine the mass number. These particles are protons and neutrons.The mass of the protons and neutrons do not vary between elements, but the number of each in the nucleus varies between elements and between isotopes of the same element.
The two subatomic particles added together to determine the mass number of an atom are protons and neutrons. Protons have a positive charge, while neutrons have no charge, but both contribute to the mass of an atom.
In an atom, no. of protons = no. of electrons=atomic no. no. of neutrons=atomic mass-atomic no.
Nucleons are subatomic particles found in the nucleus of an atom. They include protons and neutrons. Protons are positively charged particles, while neutrons have no charge. Together, they determine the mass and stability of an atom.
Proton + Nuetron = Atomic Mass
Mass of an atom = mass of protons + mass of neutrons
The sum of protons and neutrons in an atom is called mass number.
protons and nuetrons
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The atomic mass unit is defined to be 1/12 of the mass of a carbon-12 atom. Atomic masses can determined by weighing molar amount of an isotope. Absolute masses (in kg) are determined by measuring the amount that charged atoms are deflected by magnets, since if you know the charge you can calculate mass from the amount of deflection.
mass number= no. of protons + no. of neutron
These particles are protons and neutrons.
Virtually all of the mass of an atom is carried by the proton and the neutron. The electron has very, very little mass relative to these two particles.