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Uranium Tantalum Comparison

Uranium
Tantalum
Tantalum Uranium comparison


Periodic Table
Symbol
U  
Ta  
Group Number
0  
18
5  
13
Period Number
7  
6  
Block
f block  
d block  
Element Family
Actinide  
Transition Metal  
CAS Number
7440611  
28
7440257  
99+
Space Group Name
Cmcm  
Im_ 3m  
Space Group Number
63.00  
13
229.00  
2
Facts
Interesting Facts
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
  
  • Tantalum metal is known as corrosion resistance.
  • Tantalum metal can easily fabricated and It is a good conductor of heat and electricity.
  
Sources
Earth's crust, Mining, Ores of Minerals  
Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
-  
Anders Gustaf Ekeberg  
Discovery
In 1789  
In 1802  
Abundance
  
  
Abundance In Universe
0.00 %  
30
0.00 %  
32
Abundance In Sun
0.00 %  
26
0.00 %  
18
Abundance In Meteorites
0.00 %  
99+
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
36
0.00 %  
37
Abundance In Oceans
0.00 %  
11
0.00 %  
31
Abundance In Humans
0.00 %  
24
0.00 %  
24
Uses
Uses & Benefits
  • The main use of this metal include nuclear fuel which is used to generate electricity yin nuclear power stations.
  • Synthetic elements like transuranium are made from Uranium metal.
  
  • Tantalum metal is mainly used in the manufacturing of electron components. Its Oxide layer acts as an insulator.
  • Tantalum metal is also used in surgical transplant like replacement of bone, skull plates and as a woven gauze.
  
Industrial Uses
Ammunition Industry, Chemical Industry  
Electrical Industry, Electronic Industry  
Medical Uses
-  
-  
Other Uses
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues  
Alloys  
Biological Properties
  
  
Toxicity
Toxic  
Low Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
37
0.00 Blood/mg dm-3  
37
In Bone
1.20 p.p.m.  
19
0.03 p.p.m.  
33
Physical
Melting Point
1,132.00 °C  
39
2,996.00 °C  
4
Boiling Point
3,818.00 °C  
16
5,425.00 °C  
4
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery Gray  
Gray Blue  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
6.00  
6
6.50  
5
Brinell Hardness
2,350.00 MPa  
2
440.00 MPa  
33
Vickers Hardness
1,960.00 MPa  
6
870.00 MPa  
19
Speed of Sound
3,155.00 m/s  
36
3,400.00 m/s  
33
Optical Properties
  
  
Refractive Index
1.38  
40
2.15  
10
Reflectivity
80.00 %  
7
78.00 %  
8
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
U  
Ta  
Isotopes
  
  
Known Isotopes
25  
14
31  
8
Electronegativity
  
  
Pauling Electronegativity
1.38  
29
1.50  
28
Sanderson Electronegativity
1.38  
22
1.50  
18
Allred Rochow Electronegativity
1.22  
27
1.33  
23
Mulliken-Jaffe Electronegativity
1.38  
29
1.50  
26
Allen Electronegativity
1.38  
36
1.34  
38
Electropositivity
  
  
Pauling Electropositivity
2.62  
26
2.50  
27
Ionization Energies
  
  
1st Energy Level
597.60 kJ/mol  
99+
761.00 kJ/mol  
18
2nd Energy Level
1,420.00 kJ/mol  
99+
1,500.00 kJ/mol  
99+
3rd Energy Level
1,900.00 kJ/mol  
99+
761.00 kJ/mol  
99+
4th Energy Level
3,145.00 kJ/mol  
99+
7,610.00 kJ/mol  
9
5th Energy Level
5,976.00 kJ/mol  
99+
7,610.00 kJ/mol  
19
6th Energy Level
5,976.00 kJ/mol  
99+
7,610.00 kJ/mol  
36
7th Energy level
5,970.00 kJ/mol  
99+
7,610.00 kJ/mol  
30
8th Energy Level
5,976.00 kJ/mol  
99+
7,610.00 kJ/mol  
30
9th Energy Level
5,976.00 kJ/mol  
99+
7,610.00 kJ/mol  
26
10th Energy Level
5,976.00 kJ/mol  
99+
7,610.00 kJ/mol  
30
11th Energy Level
5,976.00 kJ/mol  
99+
7,610.00 kJ/mol  
29
12th Energy Level
5,970.00 kJ/mol  
99+
7,610.00 kJ/mol  
99+
13th Energy Level
5,970.00 kJ/mol  
99+
7,610.00 kJ/mol  
22
14th Energy Level
5,970.00 kJ/mol  
34
7,610.00 kJ/mol  
19
15th Energy Level
59,700.00 kJ/mol  
99+
76,100.00 kJ/mol  
19
16th Energy Level
59,700.00 kJ/mol  
35
76,100.00 kJ/mol  
14
17th Energy Level
597.60 kJ/mol  
99+
761.00 kJ/mol  
35
18th Energy Level
5,976.00 kJ/mol  
99+
7,610.00 kJ/mol  
25
19th Energy Level
597.60 kJ/mol  
99+
761.00 kJ/mol  
32
20th Energy Level
597.00 kJ/mol  
99+
761.00 kJ/mol  
26
21st Energy Level
597.60 kJ/mol  
99+
761.00 kJ/mol  
99+
22nd Energy Level
597.00 kJ/mol  
99+
761.00 kJ/mol  
20
23rd Energy Level
597.60 kJ/mol  
99+
761.00 kJ/mol  
99+
24th Energy Level
597.60 kJ/mol  
99+
761.00 kJ/mol  
16
25th Energy Level
597.60 kJ/mol  
99+
761.00 kJ/mol  
16
26th Energy Level
597.60 kJ/mol  
99+
761.00 kJ/mol  
16
27th Energy Level
597.60 kJ/mol  
99+
761.00 kJ/mol  
15
28th Energy Level
597.60 kJ/mol  
99+
761.00 kJ/mol  
21
29th Energy Level
597.60 kJ/mol  
99+
761.00 kJ/mol  
22
30th Energy Level
597.60 kJ/mol  
99+
761.00 kJ/mol  
16
Electrochemical Equivalent
1.48 g/amp-hr  
99+
1.35 g/amp-hr  
99+
Electron Work Function
3.63 eV  
99+
4.25 eV  
28
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility  
Atomic
Atomic Number
92  
26
73  
99+
Electron Configuration
[Rn] 5f3 6d1 7s2  
[Xe] 4f14 5d3 6s2  
Crystal Structure
Orthorhombic (ORTH)  
Body Centered Cubic (BCC)  
Crystal Lattice
ORTH-Crystal-Structure-of-Uranium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
92  
26
73  
99+
Number of Neutrons
146  
14
108  
29
Number of Electrons
92  
26
73  
99+
Radius of an Atom
  
  
Atomic Radius
156.00 pm  
31
146.00 pm  
37
Covalent Radius
196.00 pm  
14
170.00 pm  
27
Van der Waals Radius
186.00 pm  
40
200.00 pm  
35
Atomic Weight
238.03 amu  
21
180.95 amu  
38
Atomic Volume
12.59 cm3/mol  
99+
10.90 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Protactinium
  
Hafnium
  
Next Element
Neptunium
  
Tungsten
  
Valence Electron Potential
170.00 (-eV)  
4
110.00 (-eV)  
7
Lattice Constant
295.08 pm  
99+
330.13 pm  
99+
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.02  
99+
1.41  
99+
Mechanical
Density
  
  
Density At Room Temperature
19.10 g/cm3  
17
16.69 g/cm3  
18
Density When Liquid (at m.p.)
17.30 g/cm3  
17
15.00 g/cm3  
23
Tensile Strength
100.00 MPa  
28
180.00 MPa  
20
Viscosity
0.00  
21
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.01 (Pa)  
20
0.00 (Pa)  
99+
Elasticity properties
  
  
Shear Modulus
111.00 GPa  
10
69.00 GPa  
13
Bulk Modulus
100.00 GPa  
16
200.00 GPa  
8
Young's Modulus
208.00 GPa  
11
186.00 GPa  
14
Poisson Ratio
0.23  
30
0.34  
10
Other Mechanical Properties
Ductile, Malleable  
Ductile  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
18.80  
19
16.65  
20
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
16
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
27
Electrical Properties
  
  
Electrical Property
Poor Conductor  
Conductor  
Resistivity
0.28 nΩ·m  
99+
131.00 nΩ·m  
25
Electrical Conductivity
0.04 106/cm Ω  
99+
0.08 106/cm Ω  
32
Electron Affinity
50.60 kJ/mol  
25
31.00 kJ/mol  
35
Thermal
Specific Heat
0.12 J/(kg K)  
99+
0.14 J/(kg K)  
38
Molar Heat Capacity
27.67 J/mol·K  
18
25.36 J/mol·K  
99+
Thermal Conductivity
27.50 W/m·K  
99+
57.50 W/m·K  
27
Critical Temperature
1,405.00 K  
99+
3,290.00 K  
4
Thermal Expansion
13.90 µm/(m·K)  
30
6.30 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
477.00 kJ/mol  
18
753.10 kJ/mol  
2
Enthalpy of Fusion
15.48 kJ/mol  
19
31.40 kJ/mol  
3
Enthalpy of Atomization
489.50 kJ/mol  
18
782.00 kJ/mol  
3
Standard Molar Entropy
50.20 J/mol.K  
99+
41.50 J/mol.K  
99+
Summary >>
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Actinide Series

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