Difference between revisions of "Chromium"
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| + | {{Element | | ||
| + | name= Chromium | <!-- name of element --> | ||
| + | symbol= Cr | <!-- element symbol --> | ||
| + | available= | <!-- availability on Luna --> | ||
| + | need= | <!-- importance of element --> | ||
| + | number= 24 | <!-- atomic number --> | ||
| + | mass= 51.9961 | <!-- atomic mass --> | ||
| + | group= 6 | <!-- atomic grouping --> | ||
| + | period= 4 | <!-- atomic period --> | ||
| + | phase= Solid | <!-- phase of matter at room temp --> | ||
| + | series= Transition Metals | <!-- metal, nonmetal, or metalloid --> | ||
| + | density= | <!-- density at room temp? --> | ||
| + | melts= | <!-- melting point --> | ||
| + | boils= | <!-- boiling point --> | ||
| + | isotopes= | <!-- useful isotopes --> | ||
| + | prior= [[Vanadium|V]] | <!-- atomic mass minus one --> | ||
| + | next= [[Manganese|Mn]] | <!-- atomic mass plus one --> | ||
| + | above= <SMALL>N/A</SMALL> | <!-- carbon is above silicon --> | ||
| + | below= [[Molybdenum|Mo]] | <!-- strontium is below calcium --> | ||
| + | }} | ||
{{Stub}}<BR/><BR/><BR/> | {{Stub}}<BR/><BR/><BR/> | ||
| − | {| | + | <!-- {| |
| Atomic symbol: || Cr || | | Atomic symbol: || Cr || | ||
|- | |- | ||
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| Series: || Transition Metals || | | Series: || Transition Metals || | ||
|- | |- | ||
| − | |} | + | |} --> |
<BR/><BR/> | <BR/><BR/> | ||
"Chromium use in iron, steel, and nonferrous alloys enhances hardenability and resistance to corrosion and oxidation. The use of chromium to produce stainless steel and nonferrous alloys are two of its more important applications. Other applications are in alloy steel, plating of metals, pigments, leather processing, catalysts, surface treatments, and refractories." - USGS Chromium Statistics and Information[http://minerals.usgs.gov/minerals/pubs/commodity/chromium/] | "Chromium use in iron, steel, and nonferrous alloys enhances hardenability and resistance to corrosion and oxidation. The use of chromium to produce stainless steel and nonferrous alloys are two of its more important applications. Other applications are in alloy steel, plating of metals, pigments, leather processing, catalysts, surface treatments, and refractories." - USGS Chromium Statistics and Information[http://minerals.usgs.gov/minerals/pubs/commodity/chromium/] | ||
Revision as of 17:50, 20 January 2007
| Chromium | |
|---|---|
| Cr | |
| In situ availability: | |
| Necessity: | |
| Atomic number: | 24 |
| Atomic mass: | 51.9961 |
| group: | 6 |
| period: | 4 |
| normal phase: | Solid |
| series: | Transition Metals |
| density: | |
| melting point: | |
| boiling point: | |
| {{{aprior}}} ← N/A → {{{anext}}} | |
| V ← Cr → Mn | |
| {{{bprior}}} ← Mo → {{{bnext}}} | |
| Atomic radius (pm): | {{{radius}}} |
| Bohr radius (pm): | {{{bohr}}} |
| Covalent radius (pm): | {{{covalent}}} |
| Van der Waals radius (pm): | {{{vdwr}}} |
| ionic radius (pm): | {{{irad}}} |
| 1st ion potential (eV): | {{{ipot}}} |
| Electron Configuration | |
| {{{econfig}}} | |
| Electrons Per Shell | |
| {{{eshell}}} | |
| Electronegativity: | {{{enega}}} |
| Electron Affinity: | {{{eaffin}}} |
| Oxidation states: | {{{oxstat}}} |
| Magnetism: | {{{magn}}} |
| Crystal structure: | {{{cryst}}} |
| This article is a stub. You can help Lunarpedia by expanding it or sorting it into the correct stub subcategory. |
"Chromium use in iron, steel, and nonferrous alloys enhances hardenability and resistance to corrosion and oxidation. The use of chromium to produce stainless steel and nonferrous alloys are two of its more important applications. Other applications are in alloy steel, plating of metals, pigments, leather processing, catalysts, surface treatments, and refractories." - USGS Chromium Statistics and Information[1]
The most important and abundant ore of chromium is chromite.
