1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.3 Block
1.4 Element Family
Transition Metal
Actinide
1.5 CAS Number
744025722537195
7429905
54386242
1.6 Space Group Name
1.7 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.
- It is synthetically produced metal.
- Radiation hazard can be produce by it.
3.2 Sources
Found in Minerals, Mining, Ores of Minerals
Bombarding Californium-252 with Boron Nuclei, Found in Minerals, Mining
3.3 History
3.3.1 Who Discovered
Anders Gustaf Ekeberg
Lawrence Berkeley National Laboratory and Joint Institute for Nuclear Research
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
3.7.1 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
1.1.1 Abundance In Meteorites
2.3.3 Abundance In Earth's Crust
2.7.5 Abundance In Oceans
2.10.6 Abundance In Humans
3 Uses
3.1 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.
- Currently known uses of Lawrencium metal are limited to research purpose only.
3.1.1 Industrial Uses
Electrical Industry, Electronic Industry
NA
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
NA0.00 Blood/mg dm-3
0
1970
4.5.2 In Bone
0.03 p.p.m.0.00 p.p.m.
0
170000
5 Physical
5.1 Melting Point
2,996.00 °C1,627.00 °C
27
3410
6.3 Boiling Point
6.4 Appearance
6.4.1 Physical State
6.4.2 Color
6.4.3 Luster
6.5 Hardness
6.5.1 Mohs Hardness
7.4.5 Brinell Hardness
9.1.1 Vickers Hardness
9.3 Speed of Sound
10.3 Optical Properties
10.3.1 Refractive Index
10.6.2 Reflectivity
10.11 Allotropes
10.11.1 α Allotropes
Not Available
Not Available
10.11.2 β Allotropes
Not Available
Not Available
10.11.3 γ Allotropes
Not Available
Not Available
11 Chemical
11.1 Chemical Formula
11.2 Isotopes
11.2.1 Known Isotopes
11.4 Electronegativity
11.4.1 Pauling Electronegativity
11.6.1 Sanderson Electronegativity
11.8.2 Allred Rochow Electronegativity
11.9.4 Mulliken-Jaffe Electronegativity
12.3.2 Allen Electronegativity
12.6 Electropositivity
12.6.1 Pauling Electropositivity
13.3 Ionization Energies
13.3.1 1st Energy Level
761.00 kJ/mol470.00 kJ/mol
375.7
26130
13.3.3 2nd Energy Level
1,500.00 kJ/mol1,428.00 kJ/mol
710.2162
28750
13.4.3 3rd Energy Level
NA2,228.00 kJ/mol
1600
34230
13.4.10 4th Energy Level
NA4,910.00 kJ/mol
2780
37066
13.4.15 5th Energy Level
13.4.19 6th Energy Level
13.4.22 7th Energy level
13.5.3 8th Energy Level
13.7.2 9th Energy Level
13.8.1 10th Energy Level
13.9.6 11th Energy Level
1.2.1 12th Energy Level
1.4.1 13th Energy Level
1.6.3 14th Energy Level
1.7.4 15th Energy Level
2.1.3 16th Energy Level
2.4.2 17th Energy Level
2.4.5 18th Energy Level
2.5.1 19th Energy Level
2.5.5 20th Energy Level
2.6.3 21st Energy Level
2.6.6 22nd Energy Level
2.6.8 23rd Energy Level
2.8.2 24th Energy Level
2.8.6 25th Energy Level
2.8.9 26th Energy Level
2.8.12 27th Energy Level
2.9.4 28th Energy Level
2.10.2 29th Energy Level
2.11.1 30th Energy Level
2.12 Electrochemical Equivalent
1.35 g/amp-hr3.23 g/amp-hr
0.16812
8.3209
2.14 Electron Work Function
2.17 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
Ionization, Radioactive Isotopes
3 Atomic
3.1 Atomic Number
4.3 Electron Configuration
[Xe] 4f14 5d3 6s2
[Rn] 5f14 7s2 7p1
4.4 Crystal Structure
Body Centered Cubic (BCC)
Hexagonal Close Packed (HCP)
4.4.1 Crystal Lattice
4.5 Atom
4.5.1 Number of Protons
4.10.4 Number of Neutrons
5.1.3 Number of Electrons
5.3 Radius of an Atom
5.3.1 Atomic Radius
5.5.1 Covalent Radius
6.3.2 Van der Waals Radius
200.00 pm246.00 pm
139
348
6.7 Atomic Weight
180.95 amu266.00 amu
6.94
294
6.9 Atomic Volume
10.90 cm3/molNA
1.39
71.07
6.11 Adjacent Atomic Numbers
6.11.1 Previous Element
6.11.2 Next Element
6.12 Valence Electron Potential
6.13 Lattice Constant
330.13 pmNA
228.58
891.25
6.15 Lattice Angles
6.16 Lattice C/A Ratio
2 Mechanical
2.1 Density
2.1.1 Density At Room Temperature
3.1.3 Density When Liquid (at m.p.)
3.4 Tensile Strength
3.7 Viscosity
4.3 Vapor Pressure
4.3.1 Vapor Pressure at 1000 K
4.6.3 Vapor Pressure at 2000 K
3.3 Elasticity properties
3.3.1 Shear Modulus
3.8.2 Bulk Modulus
1.3.2 Young's Modulus
1.5 Poisson Ratio
1.8 Other Mechanical Properties
2 Magnetic
2.1 Magnetic Characteristics
2.1.1 Specific Gravity
2.3.2 Magnetic Ordering
2.3.3 Permeability
1.2.1 Susceptibility
2.4 Electrical Properties
2.4.1 Electrical Property
2.4.2 Resistivity
1.3.1 Electrical Conductivity
0.08 106/cm ΩNA
0.00666
0.63
2.1.3 Electron Affinity
3 Thermal
3.1 Specific Heat
4.5 Molar Heat Capacity
25.36 J/mol·KNA
16.443
62.7
4.8 Thermal Conductivity
4.10 Critical Temperature
5.2 Thermal Expansion
6.3 Enthalpy
6.3.1 Enthalpy of Vaporization
753.10 kJ/molNA
7.32
799.1
6.6.1 Enthalpy of Fusion
6.8.1 Enthalpy of Atomization
7.4 Standard Molar Entropy
41.50 J/mol.KNA
9.5
198.1