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Almost all of the mass of an atom is in the nucleus. The nucleus is made up of protons and neutrons, with hydrogen-1 as the lone exception because its nucleus has only a proton in it. In other atoms, protons and neutrons are fused together to form that nucleus. The electrons are out in their electron cloud. And we mention the electron because it has only about 1/1836th the mass of a proton. See how it works? A fistful of electrons weigh almost nothing compared to a single proton. The neutron is slightly heavier than a proton, so when neutrons and protons are gathered in any atomic nucleus, it contains most all of the mass of that atom.
Ryleigh Runolfsson
Wiki User
∙ 15y agoAlmost all of the mass of an atom is in the nucleus. The nucleus is made up of protons and neutrons, with hydrogen-1 as the lone exception because its nucleus has only a proton in it. In other atoms, protons and neutrons are fused together to form that nucleus. The electrons are out in their electron cloud. And we mention the electron because it has only about 1/1836th the mass of a proton. See how it works? A fistful of electrons weigh almost nothing compared to a single proton. The neutron is slightly heavier than a proton, so when neutrons and protons are gathered in any atomic nucleus, it contains most all of the mass of that atom.
Anonymous
Wiki User
∙ 13y agoMore than 99.99 % of the mass of an atom is concentrated in the nucleus and consists mainly of protons and neutrons.
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Wiki User
∙ 13y agoThe mass of an atom is focused in the nucleus at the center of an atom. The nucleus is suronded by electrons that orbit the dense center. Electrons, however, have very little mass.
Wiki User
∙ 11y agoMost of the mass of an atom is found in the nucleus which contains the protons and neutrons.
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Where is most of the mass of an atom contained?
When calculating the mass of an atom, you add the mass of the protons and the neutrons. This is the nucleus of the atom. The electrons are small enough to be ignored except in the most delicate calculations.
Where is most of the atoms mass found?
An atom's mass is concentrated in its nucleus, which is located in the center of the atom. Protons and neutrons within the nucleus are responsible for its mass; the electrons, which are located outside of the nucleus, don't contribute to the mass of the atom.
How the mass of an atom is organized?
most of the mass is contained in the nucleus.the mass is spread evenly through the whole atom, and the electron cloud.
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.
Where is most of the mass located in the helium atom?
down stairs
What represents most of an atom's mass?
The nucleus of an atom represents most of an atom's mass.
Where is most the mass of an atom called?
The most mass of an atom is found in the nucleus.
What makes up most of the mass of Atom?
protons and neutrons make up most of the mass in an atom
What makes up most of the mass of an atom?
protons and neutrons make up most of the mass in an atom
Where is the most mass in an atom concentrated?
in the nucleus of the atom
Where is the great majority of the mass of the atom found?
Most of the mass of an atom is found in its nucleus.
Where is the mass in atom?
Most of the mass in an atom is found in the nucleus, which contains the protons and neutrons.
Most of the mass of an atom is concentrated in the?
in the nucleus of the atom
What is true of an atom nucleus It is negatively charged and takes up most of the atom and space. It is negatively charged and includes most of the atom and mass. It is positively char?
It is positively charged and includes most of the atom and mass.
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.
Where in an atom is most of is mass?
In the nucleus.
What is most of the mass of an atom?
The nucleus.
