Symbol
Ti
  
Tc
  
Period Number
4
  
5
  
Block
d block
  
d block
  
Element Family
Transition Metal
  
Transition Metal
  
Space Group Name
P63/mmc
  
P63/mmc
  
Interesting Facts
- The only metal which burns in Nitrogen is Titanium.
- Titanium is also known as corrosion resistant metal.
  
- Original name of Technetium was Masurium.
- At the time of its discovery it found in sample of Molybdenum.
  
Sources
Found in Minerals, Mining
  
Made by Bombarding Molybdenum with Deuterons
  
History
  
  
Who Discovered
W. Gregor & J. Berzelius
  
Emilio Segrè and Carlo Perriero
  
Discovery
In 1791
  
In 1937
  
Abundance
  
  
Abundance In Universe
Not Available
  
Abundance In Sun
~-9999 %
  
Abundance In Meteorites
Not Available
  
Abundance In Earth's Crust
Not Available
  
Abundance In Oceans
Not Available
  
Uses & Benefits
- Its alloys are used in spacecraft, aircraft and ammunition industry.
- Its pipes are used in distillation plants, submarines, hulls of big ships, etc.
  
- Technetium is a radioactive metal and hence it is used for medical studies and other research purposes.
  
Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
  
NA
  
Medical Uses
Dentistry, Surgical Instruments Manufacturing
  
NA
  
Other Uses
Alloys, Jewellery, Sculptures, Statues
  
Alloys, Nuclear Research, Research Purposes
  
Biological Properties
  
  
Toxicity
Non Toxic
  
Low Toxic
  
Present in Human Body
Yes
  
No
  
In Blood
0.05 Blood/mg dm-3
  
16
0.00 Blood/mg dm-3
  
37
In Bone
Not Available
  
0.00 p.p.m.
  
36
Melting Point
1,660.00 °C
  
18
Boiling Point
3,287.00 °C
  
22
Appearance
  
  
Physical State
Solid
  
Solid
  
Color
Silvery Gray-White
  
Shiny Gray
  
Luster
Metallic
  
NA
  
Hardness
  
  
Mohs Hardness
Not Available
  
Brinell Hardness
Not Available
  
Vickers Hardness
Not Available
  
Speed of Sound
5,090.00 m/s
  
9
16,200.00 m/s
  
1
Optical Properties
  
  
Allotropes
No
  
No
  
α Allotropes
Not Available
  
Not Available
  
β Allotropes
Not Available
  
Not Available
  
γ Allotropes
Not Available
  
Not Available
  
Chemical Formula
Ti
  
Tc
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Sanderson Electronegativity
Not Available
  
Allred Rochow Electronegativity
Electropositivity
  
  
Pauling Electropositivity
Ionization Energies
  
  
1st Energy Level
658.80 kJ/mol
  
39
702.00 kJ/mol
  
36
2nd Energy Level
1,309.80 kJ/mol
  
99+
1,470.00 kJ/mol
  
99+
3rd Energy Level
2,652.50 kJ/mol
  
99+
2,850.00 kJ/mol
  
33
4th Energy Level
4,174.60 kJ/mol
  
32
Not Available
  
5th Energy Level
9,581.00 kJ/mol
  
5
Not Available
  
6th Energy Level
11,533.00 kJ/mol
  
6
Not Available
  
7th Energy level
13,590.00 kJ/mol
  
6
Not Available
  
8th Energy Level
16,440.00 kJ/mol
  
8
Not Available
  
9th Energy Level
18,530.00 kJ/mol
  
11
Not Available
  
10th Energy Level
20,833.00 kJ/mol
  
15
Not Available
  
11th Energy Level
25,575.00 kJ/mol
  
14
Not Available
  
12th Energy Level
28,125.00 kJ/mol
  
14
Not Available
  
13th Energy Level
76,015.00 kJ/mol
  
1
Not Available
  
14th Energy Level
83,280.00 kJ/mol
  
2
Not Available
  
15th Energy Level
90,880.00 kJ/mol
  
3
Not Available
  
16th Energy Level
100,700.00 kJ/mol
  
4
Not Available
  
17th Energy Level
109,100.00 kJ/mol
  
5
Not Available
  
18th Energy Level
117,800.00 kJ/mol
  
6
Not Available
  
19th Energy Level
129,900.00 kJ/mol
  
7
Not Available
  
20th Energy Level
137,530.00 kJ/mol
  
9
Not Available
  
Electrochemical Equivalent
0.45 g/amp-hr
  
99+
0.52 g/amp-hr
  
99+
Electron Work Function
Not Available
  
Other Chemical Properties
Chemical Stability, Ionization
  
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
  
Electron Configuration
[Ar] 3d2 4s2
  
[Kr] 4d5 5s2
  
Crystal Structure
Hexagonal Close Packed (HCP)
  
Hexagonal Close Packed (HCP)
  
Crystal Lattice
HCP-Crystal-Structure-of-Titanium.jpg#100
  
HCP-Crystal-Structure-of-Technetium.jpg#100
  
Atom
  
  
Radius of an Atom
  
  
Atomic Volume
10.64 cm3/mol
  
99+
8.50 cm3/mol
  
99+
Adjacent Atomic Numbers
  
  
Valence Electron Potential
95.20 (-eV)
  
10
180.00 (-eV)
  
3
Lattice Angles
π/2, π/2, 2 π/3
  
π/2, π/2, 2 π/3
  
Lattice C/A Ratio
Not Available
  
Density
  
  
Density At Room Temperature
4.51 g/cm3
  
99+
11.00 g/cm3
  
34
Density When Liquid (at m.p.)
4.11 g/cm3
  
99+
Not Available
  
Tensile Strength
Not Available
  
Viscosity
Not Available
  
Not Available
  
Vapor Pressure
  
  
Vapor Pressure at 2000 K
Not Available
  
Elasticity properties
  
  
Shear Modulus
Not Available
  
Bulk Modulus
Not Available
  
Young's Modulus
Not Available
  
Poisson Ratio
Not Available
  
Other Mechanical Properties
Ductile
  
NA
  
Magnetic Characteristics
  
  
Magnetic Ordering
Paramagnetic
  
Paramagnetic
  
Electrical Properties
  
  
Electrical Property
Poor Conductor
  
Conductor
  
Resistivity
420.00 nΩ·m
  
12
200.00 nΩ·m
  
18
Electrical Conductivity
0.02 106/cm Ω
  
99+
0.07 106/cm Ω
  
30
Electron Affinity
7.60 kJ/mol
  
37
53.00 kJ/mol
  
18
Specific Heat
0.52 J/(kg K)
  
9
0.21 J/(kg K)
  
29
Molar Heat Capacity
25.06 J/mol·K
  
99+
24.27 J/mol·K
  
99+
Thermal Conductivity
21.90 W/m·K
  
99+
50.60 W/m·K
  
30
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
8.60 µm/(m·K)
  
99+
7.10 µm/(m·K)
  
99+
Enthalpy
  
  
Enthalpy of Vaporization
429.00 kJ/mol
  
15
660.00 kJ/mol
  
6
Enthalpy of Fusion
15.48 kJ/mol
  
19
23.01 kJ/mol
  
9
Enthalpy of Atomization
468.60 kJ/mol
  
15
649.00 kJ/mol
  
8
Standard Molar Entropy
27.30 J/mol.K
  
99+
181.10 J/mol.K
  
2