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the claim
Alkali metals can exhibit unusual oxidation states under specific chemical conditions
the verdict
SUPPORTED
the evidence backs this
refutedsupported
the weight of evidence
3 sources for · 0 against

Alkali metals can exhibit unusual oxidation states, specifically the -1 oxidation state found in alkalides where they act as anions.

Evidence for · 3
Superalkali-Alkalide Interactions and Ion Pairing in Low-Polarity Solvents.
2021 · cited by 11
Discusses anionic alkali metals (alkalides) and ion-pairing interactions in solution.
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The analysis

The retrieved papers provide clear evidence regarding the existence and characterization of alkali metals in unusual oxidation states, specifically the -1 oxidation state in alkalides (papers 4, 10, 11). There are no refuting sources in the provided set.

More for · 2
Mechanochemical Synthesis of a Sodium Anion Complex [Na<sup>+</sup>(2,2,2-cryptand)Na<sup>-</sup>] and Studies of Its Reactivity: Two-Electron and One-Electron Reductions.
2024 · cited by 3
Examines the -1 oxidation state of group 1 metals (alkalides) such as sodium anions.
Enhanced nonlinear optical response of alkalides based on stacked Janus all-<i>cis</i>-1,2,3,4,5,6-hexafluorocyclohexane.
2023 · cited by 3
Reports the design and properties of alkali-metal-doped alkalide complexes involving Li, Na, and K.
Everything we examined (12)
  1. Metal Catalysts for Heterogeneous Catalysis: From Single Atoms to Nanoclusters and Nanoparticles.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  2. Tin Halide Perovskites: From Fundamental Properties to Solar Cells.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  3. An Iron Pincer Complex in Four Oxidation States.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  4. Quantifying Stern layer water alignment before and during the oxygen evolution reaction.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  5. Superalkali-Alkalide Interactions and Ion Pairing in Low-Polarity Solvents.peer-reviewedsupports
  6. Multielectron Redox Chemistry of Ytterbium Complexes Reaching the +1 and Zero Formal Oxidation States.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  7. Expanding the Coordination of f-Block Metals with Tris[2-(2-methoxyethoxy)ethyl]amine: From Molecular Complexes to Cage-like Structures.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  8. Floating Interlayer and Surface Electrons in 2D Materials: Graphite, Electrides, and Electrenes.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  9. Highly Reduced Alkali-Metal Nickelates: Synthesis, Structure, Catalytic Applications, and Alkali-Metal Effects.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  10. Single Crystals of Vanadium Oxides as a Lens for Understanding Structural and Electronic Phase Transformations, Ion Transport, Chemo-Mechanical Coupling, and Electrothermal Neuronal Emulation.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  11. Mechanochemical Synthesis of a Sodium Anion Complex [Na<sup>+</sup>(2,2,2-cryptand)Na<sup>-</sup>] and Studies of Its Reactivity: Two-Electron and One-Electron Reductions.peer-reviewedsupports
  12. Enhanced nonlinear optical response of alkalides based on stacked Janus all-<i>cis</i>-1,2,3,4,5,6-hexafluorocyclohexane.peer-reviewedsupports
The paper trail · every fact has a biography
first checked05 Aug 2026
judged → SUPPORTED · 8205 Aug 2026
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