1 Periodic Table
1.1 Symbol
1.3 Group Number
1.7 Period Number
2.5 Block
2.6 Element Family
2.7 CAS Number
74404627440257
7429905
54386242
2.8 Space Group Name
2.9 Space Group Number
3 Facts
3.1 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.
3.2 Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining, Ores of Minerals
3.3 History
3.3.1 Who Discovered
Robert Bunsen and Gustav Kirchhoff
Anders Gustaf Ekeberg
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
8 * 10-8 %8 * 10-9 %
5E-09
0.11
3.4.3 Abundance In Sun
~0.0000008 %~-9999 %
1E-08
0.1
3.4.5 Abundance In Meteorites
3.4.7 Abundance In Earth's Crust
4.2.5 Abundance In Oceans
5.2.1 Abundance In Humans
6 Uses
6.1 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.
6.1.1 Industrial Uses
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry
Electrical Industry, Electronic Industry
6.1.2 Medical Uses
6.1.3 Other Uses
6.2 Biological Properties
6.2.1 Toxicity
6.2.2 Present in Human Body
6.2.3 In Blood
0.00 Blood/mg dm-3NA
0
1970
6.2.5 In Bone
0.05 p.p.m.0.03 p.p.m.
0
170000
7 Physical
7.1 Melting Point
28.50 °C2,996.00 °C
27
3410
7.3 Boiling Point
678.40 °C5,425.00 °C
147
5660
7.5 Appearance
7.5.1 Physical State
8.1.1 Color
8.2.2 Luster
8.3 Hardness
8.3.1 Mohs Hardness
8.4.2 Brinell Hardness
0.14 MPa440.00 MPa
0.14
3490
8.4.4 Vickers Hardness
8.5 Speed of Sound
8.6 Optical Properties
8.6.1 Refractive Index
8.6.3 Reflectivity
8.9 Allotropes
8.9.1 α Allotropes
Not Available
Not Available
8.9.2 β Allotropes
Not Available
Not Available
8.9.3 γ Allotropes
Not Available
Not Available
9 Chemical
9.1 Chemical Formula
9.2 Isotopes
9.2.1 Known Isotopes
9.3 Electronegativity
9.3.1 Pauling Electronegativity
9.3.3 Sanderson Electronegativity
9.3.5 Allred Rochow Electronegativity
9.3.7 Mulliken-Jaffe Electronegativity
9.3.9 Allen Electronegativity
9.4 Electropositivity
9.4.1 Pauling Electropositivity
9.5 Ionization Energies
9.5.1 1st Energy Level
375.70 kJ/mol761.00 kJ/mol
375.7
26130
9.5.3 2nd Energy Level
2,234.30 kJ/mol1,500.00 kJ/mol
710.2162
28750
9.5.4 3rd Energy Level
3,400.00 kJ/molNA
1600
34230
9.5.6 4th Energy Level
9.5.7 5th Energy Level
9.5.9 6th Energy Level
9.5.11 7th Energy level
9.5.13 8th Energy Level
9.5.14 9th Energy Level
9.5.16 10th Energy Level
9.5.18 11th Energy Level
9.5.20 12th Energy Level
9.5.23 13th Energy Level
9.5.25 14th Energy Level
9.5.28 15th Energy Level
9.5.30 16th Energy Level
9.5.32 17th Energy Level
9.5.34 18th Energy Level
9.5.36 19th Energy Level
9.5.38 20th Energy Level
9.5.40 21st Energy Level
9.5.42 22nd Energy Level
9.6.1 23rd Energy Level
9.6.2 24th Energy Level
9.7.1 25th Energy Level
9.7.2 26th Energy Level
10.1.1 27th Energy Level
10.1.2 28th Energy Level
10.4.2 29th Energy Level
10.4.3 30th Energy Level
10.5 Electrochemical Equivalent
4.96 g/amp-hr1.35 g/amp-hr
0.16812
8.3209
10.6 Electron Work Function
10.7 Other Chemical Properties
Chemical Stability, Corrosion, Ionization, Radioactive Isotopes, Solubility
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
11 Atomic
11.1 Atomic Number
11.3 Electron Configuration
[Xe] 6s1
[Xe] 4f14 5d3 6s2
11.4 Crystal Structure
Body Centered Cubic (BCC)
Body Centered Cubic (BCC)
11.4.1 Crystal Lattice
11.5 Atom
11.5.1 Number of Protons
11.5.3 Number of Neutrons
11.5.5 Number of Electrons
11.7 Radius of an Atom
11.7.1 Atomic Radius
265.00 pm146.00 pm
112
265
11.8.1 Covalent Radius
244.00 pm170.00 pm
96
260
11.8.2 Van der Waals Radius
343.00 pm200.00 pm
139
348
11.9 Atomic Weight
132.91 amu180.95 amu
6.94
294
11.12 Atomic Volume
71.07 cm3/mol10.90 cm3/mol
1.39
71.07
11.14 Adjacent Atomic Numbers
11.14.1 Previous Element
11.14.2 Next Element
11.15 Valence Electron Potential
8.62 (-eV)110.00 (-eV)
8
392.42
11.16 Lattice Constant
614.10 pm330.13 pm
228.58
891.25
11.19 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
11.20 Lattice C/A Ratio
13 Mechanical
13.1 Density
13.1.1 Density At Room Temperature
1.93 g/cm316.69 g/cm3
0.534
40.7
13.1.3 Density When Liquid (at m.p.)
1.84 g/cm315.00 g/cm3
0.512
20
13.2 Tensile Strength
13.4 Viscosity
13.6 Vapor Pressure
13.6.1 Vapor Pressure at 1000 K
13.7.2 Vapor Pressure at 2000 K
13.8 Elasticity properties
13.8.1 Shear Modulus
13.9.2 Bulk Modulus
1.60 GPa200.00 GPa
1.6
462
13.9.4 Young's Modulus
1.70 GPa186.00 GPa
1.7
528
13.10 Poisson Ratio
13.11 Other Mechanical Properties
14 Magnetic
14.1 Magnetic Characteristics
14.1.1 Specific Gravity
14.2.1 Magnetic Ordering
Paramagnetic
Paramagnetic
14.2.2 Permeability
15.1.2 Susceptibility
15.2 Electrical Properties
15.2.1 Electrical Property
15.2.2 Resistivity
205.00 nΩ·m131.00 nΩ·m
0.18
961
15.3.3 Electrical Conductivity
0.05 106/cm Ω0.08 106/cm Ω
0.00666
0.63
15.3.5 Electron Affinity
45.50 kJ/mol31.00 kJ/mol
0
222.8
16 Thermal
16.1 Specific Heat
0.24 J/(kg K)0.14 J/(kg K)
0.11
3.6
17.2 Molar Heat Capacity
32.21 J/mol·K25.36 J/mol·K
16.443
62.7
17.4 Thermal Conductivity
35.90 W/m·K57.50 W/m·K
6.3
429
17.6 Critical Temperature
17.8 Thermal Expansion
97.00 µm/(m·K)6.30 µm/(m·K)
4.5
97
17.9 Enthalpy
17.9.1 Enthalpy of Vaporization
65.90 kJ/mol753.10 kJ/mol
7.32
799.1
17.10.1 Enthalpy of Fusion
2.10 kJ/mol31.40 kJ/mol
2.1
35.23
17.11.2 Enthalpy of Atomization
78.20 kJ/mol782.00 kJ/mol
61.5
837
17.12 Standard Molar Entropy
85.20 J/mol.K41.50 J/mol.K
9.5
198.1