History of Cobalt

	Revision 3 . . (edit) December 21, 2001 12:21 am by (logged).15.135.xxx [Added Talk]
	Revision 2 . . December 20, 2001 11:33 pm by (logged).139.197.xxx
	Revision 1 . . May 17, 2001 9:07 pm by LA2

---

Difference (from prior major revision) (minor diff, author diff)

Added: 1a2

Co Cobalt 27

Added: 2a4,27

Name: Cobalt Symbol: Co Group: Trans. Met. Crystal Structure: Hexagonal Atomic number: 27 Atomic weight: 58.9332 Shells: 2,8,15,2 Filling orbital: 3d7 Melt: 1495°C Boil: 2870°C Electronegativity: 1.88 Covalent radius: 1.16 Å Atomic radius: 1.67 Å Atomic volume: 6.7 cm/mol First ionization potential: 7.86 V 2nd ionization potential: 17.06 V 3rd ionization potential: 33.50 V Oxidation states: (2),3 Density @ 293 K: 8.90 g/cm Specific heat: 0.42 J/gK Heat of vaporization: 376.50 kJ/mol Heat of fusion: 16.190 kJ/mol Electrical conductivity: 0.172 10^6/cm ohm Thermal conductivity: 1.00 W/cmK

Added: 3a29

/Talk?