1 Periodic Table
1.1 Symbol
1.2 Group Number
1.5 Period Number
1.7 Block
1.8 Element Family
1.9 CAS Number
74402577440462
7429905
54386242
2.2 Space Group Name
2.3 Space Group Number
3 Facts
3.1 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
3.2 Sources
Found in Minerals, Mining, Ores of Minerals
Earth's crust, Found in Minerals, Mining, Ores of Minerals
3.3 History
3.3.1 Who Discovered
Anders Gustaf Ekeberg
Robert Bunsen and Gustav Kirchhoff
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
8 * 10-9 %8 * 10-8 %
5E-09
0.11
3.5.4 Abundance In Sun
~-9999 %~0.0000008 %
1E-08
0.1
4.1.2 Abundance In Meteorites
4.5.3 Abundance In Earth's Crust
4.8.5 Abundance In Oceans
5.5.3 Abundance In Humans
6 Uses
6.1 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.
- The most common use of cesium metal is as a drilling fluid. It is also used in optical glass manufacturing.
-
In vacuum tubes and radiation monitor equipment this metal is used as a catalyst promoter.
6.1.1 Industrial Uses
Electrical Industry, Electronic Industry
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry
6.1.2 Medical Uses
6.2.1 Other Uses
6.3 Biological Properties
6.3.1 Toxicity
6.3.2 Present in Human Body
6.3.3 In Blood
NA0.00 Blood/mg dm-3
0
1970
8.1.1 In Bone
0.03 p.p.m.0.05 p.p.m.
0
170000
9 Physical
9.1 Melting Point
2,996.00 °C28.50 °C
27
3410
9.9 Boiling Point
5,425.00 °C678.40 °C
147
5660
9.15 Appearance
9.15.1 Physical State
9.15.2 Color
9.15.4 Luster
9.16 Hardness
9.16.1 Mohs Hardness
10.3.1 Brinell Hardness
440.00 MPa0.14 MPa
0.14
3490
11.3.2 Vickers Hardness
12.3 Speed of Sound
12.6 Optical Properties
12.6.1 Refractive Index
13.1.1 Reflectivity
13.4 Allotropes
13.5.1 α Allotropes
Not Available
Not Available
13.5.2 β Allotropes
Not Available
Not Available
13.5.3 γ Allotropes
Not Available
Not Available
14 Chemical
14.1 Chemical Formula
14.2 Isotopes
14.2.1 Known Isotopes
15.3 Electronegativity
15.3.1 Pauling Electronegativity
15.9.2 Sanderson Electronegativity
15.9.6 Allred Rochow Electronegativity
15.12.6 Mulliken-Jaffe Electronegativity
16.2.2 Allen Electronegativity
17.3 Electropositivity
17.3.1 Pauling Electropositivity
18.3 Ionization Energies
18.3.1 1st Energy Level
761.00 kJ/mol375.70 kJ/mol
375.7
26130
18.5.2 2nd Energy Level
1,500.00 kJ/mol2,234.30 kJ/mol
710.2162
28750
19.3.4 3rd Energy Level
NA3,400.00 kJ/mol
1600
34230
20.3.4 4th Energy Level
21.4.1 5th Energy Level
21.8.1 6th Energy Level
22.1.1 7th Energy level
23.2.1 8th Energy Level
23.4.1 9th Energy Level
23.6.3 10th Energy Level
24.2.2 11th Energy Level
24.4.2 12th Energy Level
24.7.2 13th Energy Level
24.10.3 14th Energy Level
24.13.1 15th Energy Level
24.13.5 16th Energy Level
25.1.2 17th Energy Level
25.3.1 18th Energy Level
25.4.2 19th Energy Level
25.7.1 20th Energy Level
26.1.2 21st Energy Level
26.1.4 22nd Energy Level
26.2.2 23rd Energy Level
26.3.2 24th Energy Level
26.3.4 25th Energy Level
26.4.3 26th Energy Level
26.5.1 27th Energy Level
26.5.4 28th Energy Level
26.7.1 29th Energy Level
26.7.3 30th Energy Level
26.8 Electrochemical Equivalent
1.35 g/amp-hr4.96 g/amp-hr
0.16812
8.3209
26.10 Electron Work Function
26.11 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
Chemical Stability, Corrosion, Ionization, Radioactive Isotopes, Solubility
27 Atomic
27.1 Atomic Number
27.2 Electron Configuration
[Xe] 4f14 5d3 6s2
[Xe] 6s1
27.3 Crystal Structure
Body Centered Cubic (BCC)
Body Centered Cubic (BCC)
27.3.1 Crystal Lattice
27.4 Atom
27.4.1 Number of Protons
27.4.4 Number of Neutrons
27.5.2 Number of Electrons
28.2 Radius of an Atom
28.2.1 Atomic Radius
146.00 pm265.00 pm
112
265
28.2.5 Covalent Radius
170.00 pm244.00 pm
96
260
28.2.8 Van der Waals Radius
200.00 pm343.00 pm
139
348
28.3 Atomic Weight
180.95 amu132.91 amu
6.94
294
28.5 Atomic Volume
10.90 cm3/mol71.07 cm3/mol
1.39
71.07
28.6 Adjacent Atomic Numbers
28.6.1 Previous Element
28.6.2 Next Element
28.7 Valence Electron Potential
110.00 (-eV)8.62 (-eV)
8
392.42
1.3 Lattice Constant
330.13 pm614.10 pm
228.58
891.25
1.5 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
1.6 Lattice C/A Ratio
3 Mechanical
3.1 Density
3.1.1 Density At Room Temperature
16.69 g/cm31.93 g/cm3
0.534
40.7
3.7.1 Density When Liquid (at m.p.)
15.00 g/cm31.84 g/cm3
0.512
20
4.5 Tensile Strength
4.6 Viscosity
4.9 Vapor Pressure
4.9.1 Vapor Pressure at 1000 K
1.2.1 Vapor Pressure at 2000 K
1.4 Elasticity properties
1.4.1 Shear Modulus
2.3.2 Bulk Modulus
200.00 GPa1.60 GPa
1.6
462
3.3.4 Young's Modulus
186.00 GPa1.70 GPa
1.7
528
3.4 Poisson Ratio
4.2 Other Mechanical Properties
5 Magnetic
5.1 Magnetic Characteristics
5.1.1 Specific Gravity
1.3.1 Magnetic Ordering
Paramagnetic
Paramagnetic
1.3.2 Permeability
1.4.1 Susceptibility
1.10 Electrical Properties
1.10.1 Electrical Property
1.10.2 Resistivity
131.00 nΩ·m205.00 nΩ·m
0.18
961
1.14.2 Electrical Conductivity
0.08 106/cm Ω0.05 106/cm Ω
0.00666
0.63
1.16.4 Electron Affinity
31.00 kJ/mol45.50 kJ/mol
0
222.8
3 Thermal
3.1 Specific Heat
0.14 J/(kg K)0.24 J/(kg K)
0.11
3.6
3.5 Molar Heat Capacity
25.36 J/mol·K32.21 J/mol·K
16.443
62.7
4.3 Thermal Conductivity
57.50 W/m·K35.90 W/m·K
6.3
429
4.8 Critical Temperature
4.11 Thermal Expansion
6.30 µm/(m·K)97.00 µm/(m·K)
4.5
97
5.2 Enthalpy
5.2.1 Enthalpy of Vaporization
753.10 kJ/mol65.90 kJ/mol
7.32
799.1
6.3.3 Enthalpy of Fusion
31.40 kJ/mol2.10 kJ/mol
2.1
35.23
6.5.2 Enthalpy of Atomization
782.00 kJ/mol78.20 kJ/mol
61.5
837
7.4 Standard Molar Entropy
41.50 J/mol.K85.20 J/mol.K
9.5
198.1