1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
Actinide
Transition Metal
1.6 CAS Number
225371957440257
7429905
54386242
1.7 Space Group Name
1.8 Space Group Number
2 Facts
2.1 Interesting Facts
- It is synthetically produced metal.
- Radiation hazard can be produce by it.
- Tantalum metal is known as corrosion resistance.
- Tantalum metal can easily fabricated and It is a good conductor of heat and electricity.
2.2 Sources
Bombarding Californium-252 with Boron Nuclei, Found in Minerals, Mining
Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Lawrence Berkeley National Laboratory and Joint Institute for Nuclear Research
Anders Gustaf Ekeberg
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.4.2 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
2.4.3 Abundance In Meteorites
2.4.4 Abundance In Earth's Crust
1.2.1 Abundance In Oceans
1.2.2 Abundance In Humans
2 Uses
2.1 Uses & Benefits
- Currently known uses of Lawrencium metal are limited to research purpose only.
- 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.
2.1.1 Industrial Uses
NA
Electrical Industry, Electronic Industry
2.1.2 Medical Uses
2.1.3 Other Uses
2.2 Biological Properties
2.2.1 Toxicity
2.2.2 Present in Human Body
2.2.3 In Blood
0.00 Blood/mg dm-3NA
0
1970
2.3.1 In Bone
0.00 p.p.m.0.03 p.p.m.
0
170000
3 Physical
3.1 Melting Point
1,627.00 °C2,996.00 °C
27
3410
3.5 Boiling Point
3.8 Appearance
3.8.1 Physical State
3.8.2 Color
3.8.3 Luster
3.9 Hardness
3.9.1 Mohs Hardness
4.4.2 Brinell Hardness
4.4.4 Vickers Hardness
4.5 Speed of Sound
4.6 Optical Properties
4.6.1 Refractive Index
4.6.2 Reflectivity
4.7 Allotropes
4.7.1 α Allotropes
Not Available
Not Available
4.7.2 β Allotropes
Not Available
Not Available
4.7.3 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
5.2 Isotopes
5.2.1 Known Isotopes
5.3 Electronegativity
5.3.1 Pauling Electronegativity
6.2.4 Sanderson Electronegativity
7.1.1 Allred Rochow Electronegativity
7.1.2 Mulliken-Jaffe Electronegativity
7.2.1 Allen Electronegativity
7.5 Electropositivity
7.5.1 Pauling Electropositivity
7.6 Ionization Energies
7.6.1 1st Energy Level
470.00 kJ/mol761.00 kJ/mol
375.7
26130
7.6.3 2nd Energy Level
1,428.00 kJ/mol1,500.00 kJ/mol
710.2162
28750
7.7.1 3rd Energy Level
2,228.00 kJ/molNA
1600
34230
7.8.2 4th Energy Level
4,910.00 kJ/molNA
2780
37066
7.8.4 5th Energy Level
8.2.2 6th Energy Level
8.3.2 7th Energy level
8.3.3 8th Energy Level
8.3.5 9th Energy Level
8.3.7 10th Energy Level
8.3.9 11th Energy Level
8.3.11 12th Energy Level
8.5.2 13th Energy Level
8.5.4 14th Energy Level
8.5.6 15th Energy Level
8.5.8 16th Energy Level
8.5.9 17th Energy Level
8.5.11 18th Energy Level
8.5.13 19th Energy Level
8.5.15 20th Energy Level
8.5.17 21st Energy Level
8.5.19 22nd Energy Level
8.5.21 23rd Energy Level
8.5.23 24th Energy Level
8.5.24 25th Energy Level
8.5.26 26th Energy Level
8.5.28 27th Energy Level
8.5.30 28th Energy Level
8.5.31 29th Energy Level
8.5.33 30th Energy Level
8.6 Electrochemical Equivalent
3.23 g/amp-hr1.35 g/amp-hr
0.16812
8.3209
8.7 Electron Work Function
8.8 Other Chemical Properties
Ionization, Radioactive Isotopes
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
9 Atomic
9.1 Atomic Number
9.2 Electron Configuration
[Rn] 5f14 7s2 7p1
[Xe] 4f14 5d3 6s2
9.3 Crystal Structure
Hexagonal Close Packed (HCP)
Body Centered Cubic (BCC)
9.3.1 Crystal Lattice
9.4 Atom
9.4.1 Number of Protons
9.4.4 Number of Neutrons
9.4.7 Number of Electrons
9.5 Radius of an Atom
9.5.1 Atomic Radius
9.5.3 Covalent Radius
9.5.6 Van der Waals Radius
246.00 pm200.00 pm
139
348
9.6 Atomic Weight
266.00 amu180.95 amu
6.94
294
9.8 Atomic Volume
NA10.90 cm3/mol
1.39
71.07
9.10 Adjacent Atomic Numbers
9.10.1 Previous Element
9.10.2 Next Element
9.11 Valence Electron Potential
10.2 Lattice Constant
NA330.13 pm
228.58
891.25
10.6 Lattice Angles
10.7 Lattice C/A Ratio
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
11.1.3 Density When Liquid (at m.p.)
11.2 Tensile Strength
11.4 Viscosity
11.5 Vapor Pressure
11.5.1 Vapor Pressure at 1000 K
11.5.3 Vapor Pressure at 2000 K
11.7 Elasticity properties
11.7.1 Shear Modulus
11.8.1 Bulk Modulus
11.11.1 Young's Modulus
11.14 Poisson Ratio
12.2 Other Mechanical Properties
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
13.1.3 Magnetic Ordering
13.1.4 Permeability
13.1.5 Susceptibility
13.3 Electrical Properties
13.3.1 Electrical Property
13.3.2 Resistivity
13.5.2 Electrical Conductivity
NA0.08 106/cm Ω
0.00666
0.63
13.5.4 Electron Affinity
14 Thermal
14.1 Specific Heat
14.2 Molar Heat Capacity
NA25.36 J/mol·K
16.443
62.7
14.3 Thermal Conductivity
14.5 Critical Temperature
15.2 Thermal Expansion
15.3 Enthalpy
15.3.1 Enthalpy of Vaporization
NA753.10 kJ/mol
7.32
799.1
15.4.3 Enthalpy of Fusion
15.4.5 Enthalpy of Atomization
15.5 Standard Molar Entropy
NA41.50 J/mol.K
9.5
198.1