Elements are made up of atoms. Although atoms of the same element may vary in some ways, in order to be cons?

Question

Elements are made up of atoms. Although atoms of the same element may vary in some ways, in order to be considered the same element, all those atoms must have the same number of ?

Is it Neutrons and protons?

Answer 1

Protons.

Answer 2

Atoms must have the same number of Protons in order to be considered the same element.

The number of protons in the nucleus determines the chemical properties of the atom and thus which chemical element is represented; it is the number of both neutrons and protons in a nuclide which determine the particular isotope of an element.

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Answer 3

Protons.

Elements with a different # of neutrons are called isotopes.

Answer 4

Above answers are right.

Atoms with different #s of neutrons but same # of protons are called isotopes.