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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
Wiki User
∙ 13y ago
Wiki User
∙ 14y agoMost of the mass in an atom is in the NUCLEUS.
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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 region in an atom that contains most of the mass is called?
Most of the atom's mass is concentrated in the nucleus.
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.
What is the mass of an aluminum atom?
An Aluminum atom is 26.9815 AMU on *average*.
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.
