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Chemical Database Chemistry Dictionary Periodic Table of Elements Periodic Table Sorted By Atomic Radius Boiling Point Covalent Radius Cross Section Crystal Structure Density Electrical Conductivity Eletronegativity Freezing Point Heat of Vaporization Ionic Radius Ionization Potential Mass Average Melting Point El...
in the hardening of steel alloys and the production of stainless steels, in corrosion-resistant decorative platings, and as a pigment in glass. Atomic number 24; atomic weight 51.996; melting point 1,907°C; boiling point 2,671°C; specific gravity 7.15; valence 2, 3, 6. SeePeriodic ...
cr in the periodic table . chromium is a lustrous, hard metal that has a silver-grey colour. it has a high melting point. the electron configuration of chromium is [ar]3d 5 4s 1 , which can be explained by the stability offered by a half-filled d-orbital. trivalent chromium is a ...
Chromium Physical Data Density (g/cc):7.18 Melting Point (K):2130 Boiling Point(K):2945 Appearance:very hard, crystalline, steel-grayish metal Atomic Radius(pm):130 Atomic Volume(cc/mol):7.23 Covalent Radius(pm):118 Ionic Radius:52 (+6e) 63 (+3e) ...
Flash point data for Chromium hexacarbonyl are not available; however, Chromium hexacarbonyl is probably combustible. Potential Exposure Chromium carbonyl is used as a catalyst for hydrogenation, isomerization, watergas shift reaction and alkylation of aromatic hydrocarbons; gasoline additive to increase octa...
melting pointthermal expansionX-ray diffraction/ in situ X-ray datamolar volumesCrmelting temperatureelectrical resistance wire heatingIn situ X-ray data on molar volumes of chromium have been collected over the temperature range from 300 K to melting. The sample was heated to melting by passing ...
Melting point: 1857.0 °C (2130.15 K) Boiling point: 2672.0 °C (2945.15 K) Number of protons/electrons in chromium: 24 Number of neutrons in chromium: 28 Crystal structure: cubic Density at 293 K: 7.19 g/cm3 Colour of chromium: steel-grey Common oxidative states: + 6, + 3, 0 11.4...
2.14 Surface Tension 1590 + or - 50 mN/m in vacuum at 1950 °C (Sessile drop method); 1700 + or - 50 mN/m in air at melting point (Dynam drop wt method); 1520 mN/m in air or Helium at 1800 °C (Sessile drop method)3
熔点Melting pointNo data available 沸点Boiling pointNo data available Polarizability极化度No data available 密度DensityNo data available 蒸汽压 Vapor PressureNo data available 溶解度SolubilityNo data avaiable 性状No data avaiable 储藏条件 Storage conditionsstorage at -4℃ (1-2weeks), longer storage peri...