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The number of protons in an atom determines the identity of the element.
See these two related questions for more information:
[http://wiki.answers.com/Q/What_is_the_atomic_number_and_what_does_it_tell_you_about_the_number_of_protons_in_an_atom
What is the atomic number and what does it tell you about the number of protons in an atom?]
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[http://wiki.answers.com/Q/How_do_you_find_the_number_of_protons_and_electrons_and_neutrons_in_an_atom
How do you find the number of protons and electrons and neutrons in an atom?]
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MaxineThe distinguishing subatomic particle of an atom is its proton(s). The atomic number (amu) of an element is equal to the number of protons it has. Therefore if you know the number of protons in a given atom you can identify which element this atom is. Electrons and nuetrons can vary and give you isotopes and ions so they cannot be used as distinguishing factors.
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Subatomic particle that defines the element?
The subatomic particle that defines the element is the proton. The number of protons in the nucleus of an atom determines the element's atomic number, which differentiates one element from another on the periodic table.
Is sodium a subatomic particle?
No, sodium is not a subatomic particle. Sodium is a chemical element with the symbol Na and atomic number 11. Subatomic particles are particles smaller than an atom, such as protons, neutrons, and electrons.
How do subatomic particles tells you what element it is?
Subatomic particles identify elements based on the number of protons in the nucleus. Protons give the element its identity, as each element has a unique number of protons. This number is known as the atomic number, and it determines how the element behaves chemically and physically.
What distinguishes one atom from another atom?
The number of protons in the nucleus of an atom distinguishes it from another atom. This number is known as the atomic number and determines the element to which the atom belongs.
Is a proton a subatomic particle?
Yes, a proton is considered a subatomic particle. The proton, the neutron and the electron are smaller than atoms (making them subatomic particles). Further, these three particles are considered the building blocks of atoms. There are other subatomic particles, and to learn more, begin by examining the proton, neutron and the electron and finding out what it is that makes them up.Yes, protons are subatomic particles which are found in the nucleus of the atom and have a positive charge.
