1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
Transition Metal
Actinide
1.6 CAS Number
74402577440348
7429905
54386242
1.7 Space Group Name
1.8 Space Group Number
2 Facts
2.1 Interesting Facts
- Tantalum metal is known as corrosion resistance.
- Tantalum metal can easily fabricated and It is a good conductor of heat and electricity.
Not Available
2.2 Sources
Found in Minerals, Mining, Ores of Minerals
Obtained by Treating Radium with Neutrons, Ores of metals
2.3 History
2.3.1 Who Discovered
Anders Gustaf Ekeberg
Friedrich Oskar Giesel
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.4.4 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
2.4.9 Abundance In Meteorites
2.5.2 Abundance In Earth's Crust
3.1.2 Abundance In Oceans
3.4.3 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- 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.
- Actinium metal has a great source of alpha rays but it is hardly used outside research purpose.
4.1.1 Industrial Uses
Electrical Industry, Electronic Industry
NA
4.1.2 Medical Uses
4.1.3 Other Uses
Alloys
Alloys, Nuclear Research, Research Purposes
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.3 In Blood
NA0.00 Blood/mg dm-3
0
1970
4.3.2 In Bone
0.03 p.p.m.0.00 p.p.m.
0
170000
5 Physical
5.1 Melting Point
2,996.00 °C1,227.00 °C
27
3410
5.2 Boiling Point
5,425.00 °C3,200.00 °C
147
5660
5.4 Appearance
5.4.1 Physical State
5.4.2 Color
5.4.3 Luster
5.5 Hardness
5.5.1 Mohs Hardness
5.6.1 Brinell Hardness
5.8.2 Vickers Hardness
5.10 Speed of Sound
6.2 Optical Properties
6.2.1 Refractive Index
6.2.3 Reflectivity
6.3 Allotropes
6.3.1 α Allotropes
Not Available
Not Available
6.3.2 β Allotropes
Not Available
Not Available
6.3.3 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
7.2 Isotopes
7.2.1 Known Isotopes
7.4 Electronegativity
7.4.1 Pauling Electronegativity
7.6.3 Sanderson Electronegativity
7.6.6 Allred Rochow Electronegativity
7.7.2 Mulliken-Jaffe Electronegativity
7.7.6 Allen Electronegativity
7.8 Electropositivity
7.8.1 Pauling Electropositivity
8.2 Ionization Energies
8.2.1 1st Energy Level
761.00 kJ/mol499.00 kJ/mol
375.7
26130
8.3.1 2nd Energy Level
1,500.00 kJ/mol1,170.00 kJ/mol
710.2162
28750
8.4.3 3rd Energy Level
NA1,900.00 kJ/mol
1600
34230
9.1.2 4th Energy Level
NA4,700.00 kJ/mol
2780
37066
10.1.1 5th Energy Level
10.2.1 6th Energy Level
10.3.2 7th Energy level
10.6.2 8th Energy Level
10.7.3 9th Energy Level
10.8.2 10th Energy Level
10.12.1 11th Energy Level
10.13.1 12th Energy Level
11.1.2 13th Energy Level
11.1.4 14th Energy Level
11.4.2 15th Energy Level
11.4.4 16th Energy Level
11.5.2 17th Energy Level
11.5.4 18th Energy Level
11.5.6 19th Energy Level
11.6.1 20th Energy Level
12.1.2 21st Energy Level
12.1.5 22nd Energy Level
12.2.3 23rd Energy Level
12.2.5 24th Energy Level
12.2.6 25th Energy Level
12.2.8 26th Energy Level
13.1.1 27th Energy Level
13.2.1 28th Energy Level
13.3.1 29th Energy Level
13.4.1 30th Energy Level
13.6 Electrochemical Equivalent
1.35 g/amp-hr2.82 g/amp-hr
0.16812
8.3209
13.8 Electron Work Function
13.9 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
Ionization, Radioactive Isotopes, Radioactivity, Solubility
14 Atomic
14.1 Atomic Number
14.3 Electron Configuration
[Xe] 4f14 5d3 6s2
[Rn] 6d1 7s2
14.4 Crystal Structure
Body Centered Cubic (BCC)
Face Centered Cubic (FCC)
14.4.1 Crystal Lattice
14.5 Atom
14.5.1 Number of Protons
14.5.2 Number of Neutrons
14.5.3 Number of Electrons
14.6 Radius of an Atom
14.6.1 Atomic Radius
146.00 pm195.00 pm
112
265
14.6.2 Covalent Radius
14.6.3 Van der Waals Radius
14.7 Atomic Weight
180.95 amu227.00 amu
6.94
294
14.8 Atomic Volume
10.90 cm3/mol22.54 cm3/mol
1.39
71.07
14.9 Adjacent Atomic Numbers
14.9.1 Previous Element
14.9.2 Next Element
14.10 Valence Electron Potential
110.00 (-eV)38.60 (-eV)
8
392.42
14.11 Lattice Constant
330.13 pm567.00 pm
228.58
891.25
14.12 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
14.13 Lattice C/A Ratio
15 Mechanical
15.1 Density
15.1.1 Density At Room Temperature
16.69 g/cm310.00 g/cm3
0.534
40.7
15.1.2 Density When Liquid (at m.p.)
15.2 Tensile Strength
15.3 Viscosity
15.4 Vapor Pressure
15.4.1 Vapor Pressure at 1000 K
15.4.2 Vapor Pressure at 2000 K
15.5 Elasticity properties
15.5.1 Shear Modulus
15.5.2 Bulk Modulus
15.5.3 Young's Modulus
15.6 Poisson Ratio
15.7 Other Mechanical Properties
16 Magnetic
16.1 Magnetic Characteristics
16.1.1 Specific Gravity
16.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
16.1.3 Permeability
16.1.4 Susceptibility
16.2 Electrical Properties
16.2.1 Electrical Property
16.2.2 Resistivity
16.2.3 Electrical Conductivity
0.08 106/cm ΩNA
0.00666
0.63
16.2.4 Electron Affinity
17 Thermal
17.1 Specific Heat
0.14 J/(kg K)0.12 J/(kg K)
0.11
3.6
17.2 Molar Heat Capacity
25.36 J/mol·K27.20 J/mol·K
16.443
62.7
17.3 Thermal Conductivity
57.50 W/m·K12.00 W/m·K
6.3
429
17.4 Critical Temperature
17.5 Thermal Expansion
17.6 Enthalpy
17.6.1 Enthalpy of Vaporization
753.10 kJ/molNA
7.32
799.1
17.6.2 Enthalpy of Fusion
17.6.3 Enthalpy of Atomization
782.00 kJ/mol301.00 kJ/mol
61.5
837
17.7 Standard Molar Entropy
41.50 J/mol.K56.50 J/mol.K
9.5
198.1