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What part of the atom contains most of its mass?
The nucleus, made up of protons and neutrons, contains most of an atom's mass.
The mass of an atom compared to the mass of a carbon-12 atom is called the?
Isotope.
Protons are so much more massive than electrons that you can neglect the mass of electrons when determining the mass of an atom?
Atomic mass is based on the proton and neutron. For the most part the mass of an electron is infinitesimally small.
Do the electrons of an atom contribute to mass of an atom?
Protons have a positive charge and weigh 1 AMU Neutrons have a neutral charge and weigh 1 AMU Electrons have a negative charge and 1184 electrons weigh 1AMU so they are thought to add nothing to the mass of an atom. You may want to check out Bohr's model or the duet/octet rule.
Where is the most of the mass in an atom?
Most of the mass in an atom is in the nucleus. The protons and neutrons are about the same weight, 1 amu. The elecrtons are 1/1840 of the mass of an proton. Neutrons are 2000 times heavier than electrons and protons have an equal mass of neutrons
What part of the atom contains the least atomic mass?
Electron. Contains basicaly no mass what so ever.
Which in an atom has the least mass in an atom?
Which particle? The electron.
What part of an Adam has the least mass?
The part of an atom with the least mass is the electron. Electrons are subatomic particles that orbit the nucleus and have a very small mass compared to protons and neutrons, which make up the nucleus. While protons and neutrons have similar masses and are significantly heavier, the mass of an electron is about 1/1836 that of a proton. This negligible mass contributes to the overall mass of the atom, but it is the lightest component.
What part of the atom contains the majority of mass an atom has?
The nucleus contains the mass.
What is the part of the atom that makes up the mass of the atom?
the nucleus of the atom
What particle in the atom is the least massive?
least - electron most - the top quark
Part of an atom that has least mass?
Electrons have the least mass of the three main subatomic particles found in an atom (protons, neutrons, and electrons). They have a mass that is approximately 1/1836 times that of a proton or neutron.
What part of an atom makes up the mass of an atom?
the nucleus
What is the smallest part of the atom that has almost no mass?
The smallest part of an atom would be a quark. Quarks are either up or down quarks, and have virtually no mass. Neutrinos have even less mass, but are not part of an atom.
What particle found in an atom has the least mass?
the electron
What has the least mass in an atom?
The election within an atom would have the least mass. Protons and neutrons have a mass roughly that of 1amu, while an electron's is 1/1840 of an amu.
What part of the atom does not add mass to it?
The electron.
