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the claim
The Pauling electronegativity value of hydrogen is 2.20
the verdict
COMMON KNOWLEDGE
no citation needed for this one
refutedsupported
the weight of evidence
no sources on either side

The Pauling electronegativity value of hydrogen is widely established in chemistry as 2.20, representing a standard textbook constant that does not require citation.

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The analysis

The claim states a fundamental, universally accepted scientific constant that is trivially true by definition within the standard periodic table and chemistry textbooks. It falls under common knowledge.

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first checked04 Aug 2026
judged → COMMON KNOWLEDGE · 9504 Aug 2026
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