// MATTER · ELEMENT 24 / 118atoms.no/elements
Cr24
Chromium
Cr·Z 24·Transition Metal·52·⭕ 1B · B Major
▸ The reading
interpretive · artChromium is Greek 'chroma' — colour — named by Vauquelin for the wild hues in his crucible, yet its greatest trick is transparency: the invisible passivating film that makes stainless steel stainless at ten and a half percent by mass. The element of colour saves the blade by disappearing. That inversion is the reading here.
The science below is cited as science; the symbolic layers are flagged as interactive art.
⚜ Periodic Frequency
1BB Major
a seat struck in brass — testimony, not prediction
the seat has its own room on ⭕ THE OVAL TABLE — tap the code
▸ The lenses
▸ Discovery
Louis-Nicolas Vauquelin — extracted from Siberian crocoite · France · 1797
▸ Stellar origin
Supernova iron-peak nucleosynthesisAn iron-peak element built by silicon-burning and disseminated by core-collapse supernovae.
▸ Reactivity
Self-passivates with a brilliant transparent oxide layerThe thin oxide film is what makes 'stainless' steel stainless and chrome plating chrome.
▸ Applications
- Stainless steel (≥10.5 percent Cr by mass)
- Chrome plating
- Leather tanning (Cr salts)
- Pigments — chrome yellow, chrome green
▸ Curiosity
Greek 'chroma' meaning color — Vauquelin named it for the wild range of hues its compounds produced in his crucible.
▸ Related readings
a resonance drawn between readings — not a claim that they share an origin.
Group 6MoMolybdenum
Period 4VVanadiumMnManganese
d-blockVVanadiumMnManganese
Adjacent ZVVanadiumMnManganese