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The nucleus, made up of protons and neutrons, contains most of an atom's mass.
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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.
The small central part of an atom?
The "dense" central portion of an atom is called the nucleus. The nucleus of an atom contains neutrons and protons.
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.
The layer that contains 90 percent of the total mass of the atmosphere?
There are a few layers to the atmosphere however the Troposphere is the largest part of the atmosphere containing 75% of its mass. However the Troposphere contains 99% of the water vapour on the planet as well as Earth's aerosols. It is also where all weather phenomenon will occur.
The part of the atom that accounts for electricity is the?
The electron is the part of the atom that accounts for electricity.
What part of the atom contains the majority of mass an atom has?
The nucleus contains the mass.
What part of the atom contains the least atomic mass?
Electron. Contains basicaly no mass what so ever.
Which part of the atom does the atomic mass measure?
The Nucleus contains Protons and Neutrons which comprise practically all the atom's mass.
Which best describes the nucleus of an atom?
The nucleus of an atom is the densest part of an atom. It contains the protons and neutrons of an atom.
Made up of the protons and neutrons this part of the atom contains nearly all the mass of the atom?
The Neucleus
Which part of an atom is the largest?
The nucleus contains the majority of the mass in an atom. The nucleus contains the protons and neutrons, which each have a relative mass of 1 amu. The electrons surround the nucleus and have a relative mass of 0 amu.
Most of the mass of an atom is found in which part of it?
In the nucleus.
What part of the atom is the heaviest has the most mass?
Nucleus
What parts of an atom makes up all the mass of an atom?
The nucleus is the part of an atom that contains practically all its mass. In the nucleus, you can find the proton and neutron. The number of electrons, which move about the nucleus, is equal to the number of protons.
What part of an atom do you find protons?
There are two main parts of an atom. The one that contains the most mass is the nucleus, which holds all of the protons and neutrons in a ball at the center of the atom. The second part is the cloud of electrons that orbit the nucleus. So, protons are found in the nucleus of an atom.
What is the most dense part of an atom?
The nucleus is the most dense part of an atom.
What is a nucels?
The nucleus is the middle of the atom made up of protons (that have a positive charge) and neutrons that have no charge.
