Titanium
|
|
Physical Properties |
Color |
grey |
Phase at Room Temp. |
solid |
Density (g/cm3) |
4.5 |
Hardness (Mohs) |
--- |
Melting Point (K) |
1933.2 |
Boiling Point (K) |
3558 |
Heat of Fusion (kJ/mol) |
20.9 |
Heat of Vaporization (kJ/mol) |
429 |
Heat of Atomization (kJ/mol) |
470 |
Thermal Conductivity (J/m sec K) |
21.9 |
Electrical Conductivity (1/mohm cm) |
23.81 |
Source |
limenite, rutile(oxide) |
Atomic Properties |
Electron Configuration |
[Ar]4s23d2 |
Number of Isotopes |
5 |
Electron Affinity (kJ/mol) |
7.6 |
First Ionization Energy (kJ/mol) |
658 |
Second Ionization Energy (kJ/mol) |
1310.3 |
Third Ionization Energy (kJ/mol) |
2652.5 |
Electronegativity |
1.54 |
Polarizability (Å3) |
14.6 |
Atomic Weight |
47.867 |
Atomic Volume (cm3/mol) |
10.6 |
Ionic Radius2- (pm) |
--- |
Ionic Radius1- (pm) |
--- |
Atomic Radius (pm) |
147 |
Ionic Radius1+ (pm) |
--- |
Ionic Radius2+ (pm) |
100 |
Ionic Radius3+ (pm) |
81 |
Common Oxidation Numbers |
+4 |
Other Oxid. Numbers |
-1, +2, +3 |
Abundance |
In Earth's Crust (mg/kg) |
5.65×103 |
In Earth's Ocean (mg/L) |
1×10-3 |
In Human Body (%) |
0.00002 |
Regulatory / Health |
CAS Number |
7440-32-6 |
OSHA Permissible Exposure Limit (PEL) |
No limits |
OSHA PEL Vacated 1989 |
No limits |
NIOSH Recommended Exposure Limit (REL) |
No limits |
Sources:
University of Wisconsin General Chemistry
Mineral Information Institute
Jefferson Accelerator Laboratory
EnvironmentalChemistry.com |
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