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Technetium Titanium Comparison

Technetium
Titanium
Titanium Technetium comparison


Periodic Table
Symbol
Tc  
Ti  
Group Number
7  
11
4  
14
Period Number
5  
4  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
7440268  
99+
7440326  
99+
Space Group Name
P63/mmc  
P63/mmc  
Space Group Number
194.00  
7
194.00  
7
Facts
Interesting Facts
  • Original name of Technetium was Masurium.
  • At the time of its discovery it found in sample of Molybdenum.
  
  • The only metal which burns in Nitrogen is Titanium.
  • Titanium is also known as corrosion resistant metal.
  
Sources
Made by Bombarding Molybdenum with Deuterons  
Found in Minerals, Mining  
History
  
  
Who Discovered
Emilio Segrè and Carlo Perriero  
W. Gregor & J. Berzelius  
Discovery
In 1937  
In 1791  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
10
Abundance In Sun
0.00 %  
18
0.00 %  
9
Abundance In Meteorites
-  
0.05 %  
11
Abundance In Earth's Crust
0.00 %  
99+
0.66 %  
7
Abundance In Oceans
-  
0.00 %  
15
Abundance In Humans
-  
0.57 %  
2
Uses
Uses & Benefits
  • Technetium is a radioactive metal and hence it is used for medical studies and other research purposes.
  
  • Its alloys are used in spacecraft, aircraft and ammunition industry.
  • Its pipes are used in distillation plants, submarines, hulls of big ships, etc.
  
Industrial Uses
-  
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
Medical Uses
-  
Dentistry, Surgical Instruments Manufacturing  
Other Uses
Alloys, Nuclear Research, Research Purposes  
Alloys, Jewellery, Sculptures, Statues  
Biological Properties
  
  
Toxicity
Low Toxic  
Non Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
0.05 Blood/mg dm-3  
16
In Bone
0.00 p.p.m.  
99+
0.60 p.p.m.  
21
Physical
Melting Point
2,200.00 °C  
9
1,660.00 °C  
18
Boiling Point
4,877.00 °C  
7
3,287.00 °C  
23
Appearance
  
  
Physical State
Solid  
Solid  
Color
Shiny Gray  
Silvery Gray-White  
Luster
-  
Metallic  
Hardness
  
  
Mohs Hardness
2.25  
16
6.00  
6
Brinell Hardness
550.00 MPa  
27
716.00 MPa  
16
Vickers Hardness
500.00 MPa  
35
830.00 MPa  
21
Speed of Sound
16,200.00 m/s  
1
5,090.00 m/s  
13
Optical Properties
  
  
Refractive Index
1.90  
18
2.40  
7
Reflectivity
35.00 %  
34
56.00 %  
26
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Tc  
Ti  
Isotopes
  
  
Known Isotopes
18  
21
23  
16
Electronegativity
  
  
Pauling Electronegativity
1.90  
12
1.54  
27
Sanderson Electronegativity
1.90  
13
1.09  
39
Allred Rochow Electronegativity
1.36  
21
1.32  
24
Mulliken-Jaffe Electronegativity
1.90  
13
1.54  
24
Allen Electronegativity
1.51  
31
1.38  
36
Electropositivity
  
  
Pauling Electropositivity
2.10  
99+
2.46  
28
Ionization Energies
  
  
1st Energy Level
702.00 kJ/mol  
36
658.80 kJ/mol  
39
2nd Energy Level
1,470.00 kJ/mol  
99+
1,309.80 kJ/mol  
99+
3rd Energy Level
2,850.00 kJ/mol  
34
2,652.50 kJ/mol  
99+
4th Energy Level
7,020.00 kJ/mol  
14
4,174.60 kJ/mol  
99+
5th Energy Level
7,020.00 kJ/mol  
28
9,581.00 kJ/mol  
5
6th Energy Level
7,020.00 kJ/mol  
99+
11,533.00 kJ/mol  
8
7th Energy level
4,700.00 kJ/mol  
99+
13,590.00 kJ/mol  
6
8th Energy Level
4,700.00 kJ/mol  
99+
16,440.00 kJ/mol  
8
9th Energy Level
7,020.00 kJ/mol  
35
18,530.00 kJ/mol  
11
10th Energy Level
7,020.00 kJ/mol  
39
20,833.00 kJ/mol  
15
11th Energy Level
7,020.00 kJ/mol  
37
25,575.00 kJ/mol  
14
12th Energy Level
7,020.00 kJ/mol  
99+
28,125.00 kJ/mol  
37
13th Energy Level
7,020.00 kJ/mol  
33
76,015.00 kJ/mol  
1
14th Energy Level
7,020.00 kJ/mol  
23
83,280.00 kJ/mol  
2
15th Energy Level
70,200.00 kJ/mol  
29
90,880.00 kJ/mol  
4
16th Energy Level
70,200.00 kJ/mol  
24
100,700.00 kJ/mol  
4
17th Energy Level
702.50 kJ/mol  
99+
109,100.00 kJ/mol  
5
18th Energy Level
7,020.00 kJ/mol  
35
117,800.00 kJ/mol  
6
19th Energy Level
702.00 kJ/mol  
99+
129,900.00 kJ/mol  
7
20th Energy Level
702.00 kJ/mol  
35
137,530.00 kJ/mol  
9
21st Energy Level
702.00 kJ/mol  
99+
658.80 kJ/mol  
99+
22nd Energy Level
702.00 kJ/mol  
29
658.00 kJ/mol  
31
23rd Energy Level
702.00 kJ/mol  
99+
658.80 kJ/mol  
99+
24th Energy Level
702.50 kJ/mol  
28
658.80 kJ/mol  
30
25th Energy Level
702.00 kJ/mol  
30
658.80 kJ/mol  
32
26th Energy Level
702.00 kJ/mol  
29
658.80 kJ/mol  
31
27th Energy Level
702.00 kJ/mol  
30
658.80 kJ/mol  
32
28th Energy Level
702.00 kJ/mol  
35
658.80 kJ/mol  
37
29th Energy Level
702.00 kJ/mol  
36
658.80 kJ/mol  
38
30th Energy Level
702.00 kJ/mol  
30
658.80 kJ/mol  
34
Electrochemical Equivalent
0.52 g/amp-hr  
99+
0.45 g/amp-hr  
99+
Electron Work Function
4.90 eV  
12
4.33 eV  
24
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility  
Chemical Stability, Ionization  
Atomic
Atomic Number
43  
99+
22  
99+
Electron Configuration
[Kr] 4d5 5s2  
[Ar] 3d2 4s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
HCP-Crystal-Structure-of-Technetium.jpg#100  
HCP-Crystal-Structure-of-Titanium.jpg#100  
Atom
  
  
Number of Protons
43  
99+
22  
99+
Number of Neutrons
55  
99+
26  
99+
Number of Electrons
43  
99+
22  
99+
Radius of an Atom
  
  
Atomic Radius
136.00 pm  
99+
147.00 pm  
36
Covalent Radius
147.00 pm  
39
160.00 pm  
32
Van der Waals Radius
200.00 pm  
35
200.00 pm  
35
Atomic Weight
98.00 amu  
99+
47.87 amu  
99+
Atomic Volume
8.50 cm3/mol  
99+
10.64 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Molybdenum
  
Scandium
  
Next Element
Ruthenium
  
Vanadium
  
Valence Electron Potential
180.00 (-eV)  
3
95.20 (-eV)  
10
Lattice Constant
273.50 pm  
99+
295.08 pm  
99+
Lattice Angles
π/2, π/2, 2 π/3  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.60  
21
1.59  
30
Mechanical
Density
  
  
Density At Room Temperature
11.00 g/cm3  
36
4.51 g/cm3  
99+
Density When Liquid (at m.p.)
11.00 g/cm3  
34
4.11 g/cm3  
99+
Tensile Strength
50.00 MPa  
38
434.00 MPa  
10
Viscosity
0.00  
25
0.00  
22
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
99+
0.98 (Pa)  
14
Elasticity properties
  
  
Shear Modulus
27.00 GPa  
34
44.00 GPa  
17
Bulk Modulus
100.00 GPa  
16
110.00 GPa  
15
Young's Modulus
50.00 GPa  
39
116.00 GPa  
20
Poisson Ratio
0.38  
6
0.32  
12
Other Mechanical Properties
-  
Ductile  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
11.50  
37
4.51  
99+
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
Conductor  
Poor Conductor  
Resistivity
200.00 nΩ·m  
18
420.00 nΩ·m  
12
Electrical Conductivity
0.07 106/cm Ω  
35
0.02 106/cm Ω  
99+
Electron Affinity
53.00 kJ/mol  
23
7.60 kJ/mol  
99+
Thermal
Specific Heat
0.21 J/(kg K)  
30
0.52 J/(kg K)  
9
Molar Heat Capacity
24.27 J/mol·K  
99+
25.06 J/mol·K  
99+
Thermal Conductivity
50.60 W/m·K  
30
21.90 W/m·K  
99+
Critical Temperature
2,150.00 K  
16
1,941.00 K  
21
Thermal Expansion
7.10 µm/(m·K)  
99+
8.60 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
660.00 kJ/mol  
7
429.00 kJ/mol  
20
Enthalpy of Fusion
23.01 kJ/mol  
9
15.48 kJ/mol  
19
Enthalpy of Atomization
649.00 kJ/mol  
9
468.60 kJ/mol  
20
Standard Molar Entropy
181.10 J/mol.K  
2
27.30 J/mol.K  
99+
Summary >>
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