chromium

Also known as Cr, element 24, 24Cr

thumb|"Chrome plated" motorcycle parts, plated with a decorative layer of chromium

AI overview

Chromium is a metal that's commonly used as a thin coating on other metals, like the shiny chrome finish you see on motorcycle parts and other products. It matters because it makes things look attractive and polished while also protecting the underlying metal from rust and damage.

AI-generated from the Wikipedia summary — may contain errors.

Key facts

Chromium.Vickers hardness: 950HV
Chromium.Vickers hardness ref: https://www.journalmt.com/pdfs/mft/2018/04/16.pdf

via Wikipedia infobox

Chemical data

Formula: Cr
Molecular weight: 51.996 g/mol
IUPAC name: chromium
SMILES: [Cr]
InChIKey: VYZAMTAEIAYCRO-UHFFFAOYSA-N
Polar surface area: 0 Å²
H-bond donors: 0
H-bond acceptors: 0
Formal charge: 0

via PubChem

~48 min read

Article

40 sections

Contents

Physical properties
Atomic
Bulk
Passivation
Isotopes
Chemistry and compounds
Common oxidation states
Chromium(0)
Chromium(II)
Chromium(III)
Chromium(VI)
Other oxidation states
Occurrence
History
Early applications
Production
By country
Applications
Metallurgy
Pigment
Other uses
Uses of compounds
Biological role
Dietary recommendations
Labeling
Food sources
Supplementation
Initiation of research on glucose
Approved and disapproved health claims
Diabetes
Body weight
Sports
Fresh-water fish
Precautions
Chromium(VI) toxicity
Environmental issues
Notes
References
General bibliography
External links

thumb|"Chrome plated" motorcycle parts, plated with a decorative layer of chromium

Chromium is a chemical element; it has symbol Cr and atomic number 24. It is the first element in group 6. It is a steely-grey, lustrous, hard, and brittle transition metal.