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The isotopes of an atom are defined by the number of neutrons their nuclei have for their fixed number of protons. However, I wouldn't say that neutrons are solely responsible for the presence of isotopes because isotopes also depend on the existence of many other particles such as protons, quarks and gluons. Neutrons certainly are responsible for the way we label isotopes, though.

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14y ago

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What determines the isotopes of an atom?

Different isotopes of an atom are determined by the number of neutrons it contains.


What subatomic particle determines if an element is an isotope or not?

The neutron; the proton determines the element of the atom, but different atoms of the same element can have different atomic masses, due to the different number of neutrons of the atoms. Atoms of same element having same number of protons but different number of neutrons are called Isotopes. Thus, neutron determines the isotope of an atom.


Different isotopes of an atom retain the properties of the atom?

Yes, different isotopes of an atom have the same number of protons and electrons, so they have the same chemical properties. However, they have different numbers of neutrons, giving them different masses.


Different isotopes of an atom retain the properties of the atom-?

Isotopes of an atom does retain the properties of the atom. This is discrete in units of matter.


Different isotopes of an atom retain the properties of the atom.?

Isotopes of an atom does retain the properties of the atom. This is discrete in units of matter.


What is the same about isotopes and atom?

All the isotopes of an atom have the same number of protons but different number of neutrons.


What is the name for atoms of an element that have different masses?

An atom or element that have different masses are known as isotopes.


What do different isotopes of the same atom have?

Two different isotopes of the same atoms have the same number of protons and electrons; the number of neutrons is different.


State the difference between an ordinary atom and its isotope?

Isotopes: atoms with the same atomic number (also identical number of protons and electrons) but with a different number of neutrons and consequently with a different atomic mass.An isotope is an atom; the atom has not isotopes but an element has isotopes (natural or artificial).


Two different isotopes of the same atom have what?

Two different isotopes of the same atoms have the same number of protons and electrons; the number of neutrons is different.


How do you determine the isotope?

Isotopes are determined by the number of neutrons in an atom's nucleus. Each isotope of an element has the same number of protons in its nucleus but a different number of neutrons. Isotopes of an element have the same chemical properties but different atomic masses.


How would an atom have a different weight?

The isotopes of the same atom would have differing numbers of neutrons.