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

Research

51,696 papers

A scientific review: the role of chromium in insulin resistance.ReviewThe Diabetes educator · 2004Havel PJ
Chromium.ReviewJournal of toxicology. Clinical toxicology · 1999Barceloux DGDOI: 10.1081/clt-100102418
Accumulation of chromium in plants and its repercussion in animals and humans.ReviewEnvironmental pollution (Barking, Essex : 1987) · 2022Kapoor RT, Bani Mfarrej MF, Alam P et al.DOI: 10.1016/j.envpol.2022.119044
Chromium.Advances in nutrition (Bethesda, Md.) · 2018Vincent JB, Lukaski HCDOI: 10.1093/advances/nmx021
Chromium pollution and its bioremediation mechanisms in bacteria: A review.ReviewJournal of environmental management · 2021Pushkar B, Sevak P, Parab S et al.DOI: 10.1016/j.jenvman.2021.112279
The biochemistry of chromium.ReviewThe Journal of nutrition · 2000Vincent JBDOI: 10.1093/jn/130.4.715
Chromium allergy and dermatitis: prevalence and main findings.ReviewContact dermatitis · 2015Bregnbak D, Johansen JD, Jellesen MS et al.DOI: 10.1111/cod.12436
Chromium, glucose tolerance, and diabetes.ReviewBiological trace element research · 1992Anderson RADOI: 10.1007/BF02784583

via PubMed

Wikidata facts

Mass: 51.9961
Image: Chromium crystals and 1cm3 cube.jpg

Show 20 more facts

oxidation state: 6
Unicode character: 鉻
element symbol: Cr
Commons category: Chromium
atomic number: 24
NIOSH Pocket Guide ID: 0141
density: 7.14
immediately dangerous to life or health: 250
Commons gallery: Chromium
melting point: 1856.9
boiling point: 2945
vapor pressure: 0
time-weighted average exposure limit: 0.5
time of discovery or invention: 1797-00-00
electronegativity: 1.66
WordLift URL: data.medicalrecords.com/medicalrecords/healthwise/chromium
chemical formula: Cr
canonical SMILES: [Cr]
ionic radius: 0.44
electron configuration: [Ar] 3d⁵ 4s¹

Sources (8)

via Wikidata · CC0

~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.