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The number of protons, which are found in the nucleus of an atom.

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Q: Which main part of an atom determines the atomic number of an element?
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What is the number of protons in one atom of an element determines the atom?

The number of protons determines the element's atomic number. When combined with the number of neutrons, it determines the element's atomic mass.


The atomic number determines the what?

The number of protons.


What determines the element that an atom belongs to?

Its atomic number. In other words the number of positive protons in the nucleus of each atom and the number of negative electrons surrounding the nucleus of each atom.


What is it that determines the atomic number of the element?

The number of protons in each nucleus of an atom of the element.


What part of an element determines it's atomic number?

The number of protons in the nucleus of the atom.


What is the one thing that determines the identity of an atom that is whether it is an oxygen atom or a carbon atom?

The number of protons in the nucleus of an atom determines its identity as a particular element. The number of protons is the element's atomic number, and is unique to each element. For example, the atomic number of oxygen is 8, while the atomic number of carbon is 6.


The number of protons is called the atomic what?

The atomic number, or Z, is the number of protons in the nucleus of an atom of an element. This is what determines what element an atom is. A link can be found below.


What do the protons of the nucleus of an atom determine?

Number of protons or the atomic number of an atom determines what is the element.


What does the number of protons in an atom also tell you?

The number of protons in the nucleus of an atom tell you which element you are dealing with. It is the number of protons in an atomic nucleus that determines the elemental identity. Only that. The atomic number of an element is the number of protons you will find in the nucleus of every atom of that element, regardless of the number of neutrons or electrons involved.


What part of element determines its atomic number?

The number of protons in the nucleus of the atom.


A sub atomic particle which determines the atomic number?

The atomic number of an element is equal to the number of protons in the nucleus of that element.


What does the number of protons in a nucleaus determine of an atom?

The number of protons in the nucleus of an atom determines the atomic number of the element to which the atom belongs.