An element knowledge ecosystem, not a fact dump
Element Lookup combines fast answers, professor-style explanation, original interactive models, geography, comparisons, quizzes, printable revision material and explicit scientific provenance.
Editorial promise
- Answer the obvious question quickly, then teach the reason.
- Explain what a number means instead of only displaying it.
- Keep element-specific science rather than forcing every element into an identical template.
- State model limitations and unusual phase behavior beside the model.
- Do not replace unknowns with confident-looking guesses.
Scientific integrity
- Authoritative sources are the basis for scientific numbers.
- Changing datasets carry a source year or reporting period.
- Predictions are labeled as predictions.
- Geographic markers are used only when the data are genuinely geographic.
- Corrections should update the source record, the normalized value and the teaching layer together.
Accessibility promise
- Dark and light themes are both first-class interfaces.
- Controls are designed for keyboard and touch use.
- Reduced-motion preferences should be respected.
- Interactive scientific viewers retain a textual or static learning path when full interaction is unavailable.
What comes next
118 element guides are now in the source-reviewed library. Shared interaction components keep the experience consistent, while every guide is expected to develop its own scientifically justified signature story. Element Lookup also connects the library through Compare Lab, the 118-element Periodic Trend Explorer and an Evidence Lens that makes uncertainty visible.
How a new guide is released
Each guide is researched from authoritative sources, checked for scientific exceptions, built with tested shared interaction components, rendered in light and dark themes, tested on mobile, and reviewed for element-specific scientific depth before publication.
How corrections are handled
If a substantive defect appears in one new element, the entire release batch is audited for the same class of problem. Site-wide corrections are moved into shared components where possible and are recorded in the permanent build standard so future elements inherit the fix automatically.
Found an error, something unclear, or a missing topic?
Tell us what you noticed. Feedback goes to a private review queue and is never published automatically.
