The atomic number of an element is determined by the number of protons in the nucleus of its atoms.

the verdict

SUPPORTED

the evidence backs this

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1 source for · 0 against

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AS REPORTEDno primary record reached; this is what the reporting says

Is it true that the atomic number of an element is determined by the number of protons in the nucleus of its atoms?

Yes. The atomic number of an element is indeed defined by and equal to the number of protons in its atomic nucleus.

Verdict: SUPPORTED · 1 source for, 0 against · Last checked 3 Oct 2026

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Evidence for · 1

Wikipedia: Atomic number

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Wikipedia: Atomic number. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Atomic_number

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