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 ...
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
Melting Point Decomposes Purity ≥98% Solubility Soluble in 0.6 mM water (pH 7.0) or 2.0 mM chloroform. Store Temp Ambient References Merck. http:||www.merck.com (accessed May, 2006). 产品留言 标题 联系人 联系电话 内容 验证码 点击换一张 注:1.可以使用快捷键Alt+S或Ctrl...
What is the synthesis of Chromium hexacarbonyl?[Overview][1] [2] [3] Chromium hexacarbonyl chemical formula Cr(CO)6, molecular weight 220.06, white crystal, toxic, specific gravity 1.77, melting point 150~151℃ (in inert atmosphere), decomposes (e..10...
Melting Point: 4 °C Density: 7.19 g/cm3 Flash Point: 50 °F Boiling Point of Chromium (CAS NO.7440-47-3): 2671 °C Chromium (CAS NO.7440-47-3) was used as a pigment, and after the discovery that the mineral chromite also contains chromium this latter mineral was used to produce...
Melting point 1152 °C Boiling point 1300°C density 2.87 g/mL at 25 °C(lit.) vapor pressure 0.001Pa at 20℃ storage temp. Store below +30°C. solubility slightly soluble in H2O form flakes color Violet Specific Gravity 2.87 Water Solubility Soluble in alcohol, water. Sensitive Hygroscopi...
Chromium(III) oxide | 1308-38-9 - chemical and physical properties, structure, melting point, boiling point, density, molecular formula, molecular weight, uses, prices, suppliers, and toxicity/safety/hazards/SDS information.
Chemsrc provides Chromium(II) chloride(CAS#:10049-05-5) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Chromium(II) chloride are included as well.
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. See Periodic Table. [From French chrome; see chrome.] American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton ...
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...