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An atom is comprised of a nucleus of protons and neutrons, and layers of 'shells' in which the electrons revolve around the nucleus. An element is defined by the number of protons in the nucleus while the number of electrons on the outer shell define an atoms group on the periodic table. Then the number of neutrons is added to the number of protons to define the atomic weight of the atom.
Mass number is the number of protons and neutrons in the nucleus of atom.
it is the sum of the protons and neutrons present in the nucleus of the atom.
When atoms have a balanced number of protons and neutrons, they are more likely to be stable. The nucleus of the atom is more stable when it has a balanced ratio of protons to neutrons, as this allows for a stronger nuclear force and reduces the likelihood of decay or instability.
Often, but not always, atoms with an equal number of protons and neutrons in the nucleus are stable and not radioactive.
The total number of protons and neutrons in an atoms nucleus. The proton number on the other hand states just the number of protons in an atoms nucleus, hence the atomic number take away the proton number equals the number of neutrons in an atoms nucleus.
An atom is comprised of a nucleus of protons and neutrons, and layers of 'shells' in which the electrons revolve around the nucleus. An element is defined by the number of protons in the nucleus while the number of electrons on the outer shell define an atoms group on the periodic table. Then the number of neutrons is added to the number of protons to define the atomic weight of the atom.
The number of protons and neutrons in the nucleus.
The sum of protons and neutrons in the atomic nucleus is called "mass number"; this value is different for each isotope.
Neutrons are located with Protons in the Nucleus.
Protons and neutrons ... which in turn contain quarks.
In the nucleus, with the protons.
protons and neutrons
protons and neutrons
In the nucleus
Protons and neutrons are found in the nucleus.
The Atomic Mass number tells how many protons and neutrons are in a nucleus.