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the claim
Isotopes are different forms of an element that have the same number of protons but a different number of neutrons.
the verdict
SUPPORTED
the evidence backs this
Recorded sources
7 sources for · 0 against
AS REPORTEDno primary record reached; this is what the reporting says
Is it true that isotopes are different forms of an element that have the same number of protons but a different number of neutrons?
Yes. Multiple authoritative scientific references consistently define isotopes as forms of a chemical element containing the same number of protons but differing numbers of neutrons.
Verdict: SUPPORTED · 7 sources for, 0 against · Last checked
How claims like this are judged
Judged against reference works: claims of this kind are settled by reference works, not journal abstracts.
Evidence for · 7
Reference article covering this claim directly
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Wikipedia: Isotope. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Isotope
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More for · 6
Directly defines isotopes as different forms with same protons and different neutrons.
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LibreTexts: LibreTexts: 3.01%3A Matter. (n.d.). LibreTexts. https://eng.libretexts.org/Courses/Hawaii_Community_College/Ecology_and_Environment%3A_BIOL_124_at_Hawaii_Community_College/03%3A_Matter_Energy_and_Life/3.01%3A_Matter
Explicitly confirms isotopes have the same protons and different neutrons.
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OpenStax: OpenStax Biology for AP® Courses: 2.1 Atoms, Isotopes, Ions, and Molecules: The Building Blocks. (n.d.). OpenStax. https://openstax.org/books/biology-ap-courses/pages/3089152a-8630-4b98-abcf-22b3e503dc73@
Confirms atoms of the same element with same protons and different neutrons are isotopes.
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Wikibooks: Wikibooks: High School Chemistry/Atomic Terminology. (n.d.). Wikibooks. https://en.wikibooks.org/wiki/High_School_Chemistry/Atomic_Terminology
States isotopes share the same number of protons but differ in neutrons.
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Simple English Wikipedia: Simple English Wikipedia: Isotope. (n.d.). Simple English Wikipedia. https://simple.wikipedia.org/wiki/Isotope
Defines forms of an element with different numbers of neutrons as isotopes.
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LibreTexts: LibreTexts: 3.01%3A Atoms. (n.d.). LibreTexts. https://geo.libretexts.org/Bookshelves/Geology/Introduction_to_Historical_Geology_(Johnson_et_al.)/03%3A_Minerals/3.01%3A_Atoms
Explicitly repeats the definition of isotopes matching the claim.
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OpenStax: OpenStax Biology 2e: 2.1 Atoms, Isotopes, Ions, and Molecules: The Building Blocks. (n.d.). OpenStax. https://openstax.org/books/biology-2e/pages/c555a265-6305-4b1a-be14-c4b1e853ac89@
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