1 Periodic Table
1.1 Symbol
1.2 Group Number
1.6 Period Number
1.11 Block
1.12 Element Family
1.13 CAS Number
74404627440257
7429905
54386242
3.5 Space Group Name
3.6 Space Group Number
4 Facts
4.1 Interesting Facts
Not Available
- Tantalum metal is known as corrosion resistance.
- Tantalum metal can easily fabricated and It is a good conductor of heat and electricity.
4.2 Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining, Ores of Minerals
4.3 History
4.3.1 Who Discovered
Robert Bunsen and Gustav Kirchhoff
Anders Gustaf Ekeberg
4.3.2 Discovery
4.4 Abundance
4.4.1 Abundance In Universe
8 * 10-8 %8 * 10-9 %
5E-09
0.11
4.5.1 Abundance In Sun
~0.0000008 %~-9999 %
1E-08
0.1
4.7.1 Abundance In Meteorites
1.2.1 Abundance In Earth's Crust
2.4.2 Abundance In Oceans
2.10.2 Abundance In Humans
3 Uses
3.1 Uses & Benefits
- 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.
- 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.
3.1.1 Industrial Uses
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry
Electrical Industry, Electronic Industry
3.1.2 Medical Uses
3.1.3 Other Uses
3.2 Biological Properties
3.2.1 Toxicity
3.2.2 Present in Human Body
3.2.3 In Blood
0.00 Blood/mg dm-3NA
0
1970
5.4.3 In Bone
0.05 p.p.m.0.03 p.p.m.
0
170000
2 Physical
2.1 Melting Point
28.50 °C2,996.00 °C
27
3410
1.4 Boiling Point
678.40 °C5,425.00 °C
147
5660
1.11 Appearance
1.11.1 Physical State
1.11.2 Color
1.12.1 Luster
1.14 Hardness
1.14.1 Mohs Hardness
1.17.2 Brinell Hardness
0.14 MPa440.00 MPa
0.14
3490
1.2.1 Vickers Hardness
3.6 Speed of Sound
4.2 Optical Properties
4.2.1 Refractive Index
5.7.1 Reflectivity
6.2 Allotropes
6.2.1 α Allotropes
Not Available
Not Available
6.2.2 β Allotropes
Not Available
Not Available
6.2.3 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
7.2 Isotopes
7.2.1 Known Isotopes
8.8 Electronegativity
8.8.1 Pauling Electronegativity
8.10.2 Sanderson Electronegativity
9.13.4 Allred Rochow Electronegativity
10.2.2 Mulliken-Jaffe Electronegativity
10.3.3 Allen Electronegativity
11.3 Electropositivity
11.3.1 Pauling Electropositivity
12.3 Ionization Energies
12.3.1 1st Energy Level
375.70 kJ/mol761.00 kJ/mol
375.7
26130
13.2.4 2nd Energy Level
2,234.30 kJ/mol1,500.00 kJ/mol
710.2162
28750
13.3.4 3rd Energy Level
3,400.00 kJ/molNA
1600
34230
13.6.1 4th Energy Level
14.4.1 5th Energy Level
15.1.2 6th Energy Level
15.2.3 7th Energy level
15.3.6 8th Energy Level
16.6.1 9th Energy Level
16.9.2 10th Energy Level
16.9.8 11th Energy Level
16.9.13 12th Energy Level
16.12.2 13th Energy Level
18.1.1 14th Energy Level
18.2.4 15th Energy Level
18.4.2 16th Energy Level
19.4.2 17th Energy Level
19.6.2 18th Energy Level
19.7.4 19th Energy Level
19.8.1 20th Energy Level
19.8.5 21st Energy Level
19.9.2 22nd Energy Level
19.9.7 23rd Energy Level
19.9.8 24th Energy Level
19.9.14 25th Energy Level
19.10.4 26th Energy Level
19.14.8 27th Energy Level
19.15.5 28th Energy Level
19.15.9 29th Energy Level
19.16.1 30th Energy Level
20.3 Electrochemical Equivalent
4.96 g/amp-hr1.35 g/amp-hr
0.16812
8.3209
20.4 Electron Work Function
20.6 Other Chemical Properties
Chemical Stability, Corrosion, Ionization, Radioactive Isotopes, Solubility
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
21 Atomic
21.1 Atomic Number
21.2 Electron Configuration
[Xe] 6s1
[Xe] 4f14 5d3 6s2
21.3 Crystal Structure
Body Centered Cubic (BCC)
Body Centered Cubic (BCC)
21.3.1 Crystal Lattice
21.4 Atom
21.4.1 Number of Protons
21.4.7 Number of Neutrons
21.5.7 Number of Electrons
21.7 Radius of an Atom
21.7.1 Atomic Radius
265.00 pm146.00 pm
112
265
21.8.4 Covalent Radius
244.00 pm170.00 pm
96
260
21.8.9 Van der Waals Radius
343.00 pm200.00 pm
139
348
21.10 Atomic Weight
132.91 amu180.95 amu
6.94
294
21.12 Atomic Volume
71.07 cm3/mol10.90 cm3/mol
1.39
71.07
21.13 Adjacent Atomic Numbers
21.13.1 Previous Element
21.13.2 Next Element
21.14 Valence Electron Potential
8.62 (-eV)110.00 (-eV)
8
392.42
21.15 Lattice Constant
614.10 pm330.13 pm
228.58
891.25
21.17 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
21.18 Lattice C/A Ratio
22 Mechanical
22.1 Density
22.1.1 Density At Room Temperature
1.93 g/cm316.69 g/cm3
0.534
40.7
23.1.1 Density When Liquid (at m.p.)
1.84 g/cm315.00 g/cm3
0.512
20
23.3 Tensile Strength
23.5 Viscosity
24.2 Vapor Pressure
24.2.1 Vapor Pressure at 1000 K
24.6.2 Vapor Pressure at 2000 K
25.2 Elasticity properties
25.2.1 Shear Modulus
25.3.1 Bulk Modulus
1.60 GPa200.00 GPa
1.6
462
25.4.1 Young's Modulus
1.70 GPa186.00 GPa
1.7
528
3.4 Poisson Ratio
1.4 Other Mechanical Properties
2 Magnetic
2.1 Magnetic Characteristics
2.1.1 Specific Gravity
4.5.1 Magnetic Ordering
Paramagnetic
Paramagnetic
4.5.2 Permeability
4.8.2 Susceptibility
4.9 Electrical Properties
4.9.1 Electrical Property
4.9.2 Resistivity
205.00 nΩ·m131.00 nΩ·m
0.18
961
4.13.2 Electrical Conductivity
0.05 106/cm Ω0.08 106/cm Ω
0.00666
0.63
4.17.2 Electron Affinity
45.50 kJ/mol31.00 kJ/mol
0
222.8
5 Thermal
5.1 Specific Heat
0.24 J/(kg K)0.14 J/(kg K)
0.11
3.6
6.7 Molar Heat Capacity
32.21 J/mol·K25.36 J/mol·K
16.443
62.7
9.2 Thermal Conductivity
35.90 W/m·K57.50 W/m·K
6.3
429
11.3 Critical Temperature
11.7 Thermal Expansion
97.00 µm/(m·K)6.30 µm/(m·K)
4.5
97
12.4 Enthalpy
12.4.1 Enthalpy of Vaporization
65.90 kJ/mol753.10 kJ/mol
7.32
799.1
12.6.3 Enthalpy of Fusion
2.10 kJ/mol31.40 kJ/mol
2.1
35.23
12.10.2 Enthalpy of Atomization
78.20 kJ/mol782.00 kJ/mol
61.5
837
2.4 Standard Molar Entropy
85.20 J/mol.K41.50 J/mol.K
9.5
198.1