1 Periodic Table
1.1 Symbol
1.2 Group Number
2.2 Period Number
2.4 Block
2.5 Element Family
Actinide
Transition Metal
2.6 CAS Number
225371957440257
7429905
54386242
2.10 Space Group Name
2.11 Space Group Number
3 Facts
3.1 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.
3.2 Sources
Bombarding Californium-252 with Boron Nuclei, Found in Minerals, Mining
Found in Minerals, Mining, Ores of Minerals
3.3 History
3.3.1 Who Discovered
Lawrence Berkeley National Laboratory and Joint Institute for Nuclear Research
Anders Gustaf Ekeberg
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
3.5.3 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
4.1.2 Abundance In Meteorites
4.1.8 Abundance In Earth's Crust
4.3.2 Abundance In Oceans
4.5.4 Abundance In Humans
5 Uses
5.1 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.
5.1.1 Industrial Uses
NA
Electrical Industry, Electronic Industry
5.1.2 Medical Uses
5.1.3 Other Uses
5.2 Biological Properties
5.2.1 Toxicity
5.2.2 Present in Human Body
5.2.3 In Blood
0.00 Blood/mg dm-3NA
0
1970
5.5.2 In Bone
0.00 p.p.m.0.03 p.p.m.
0
170000
6 Physical
6.1 Melting Point
1,627.00 °C2,996.00 °C
27
3410
8.2 Boiling Point
9.2 Appearance
9.2.1 Physical State
9.2.2 Color
9.2.3 Luster
9.4 Hardness
9.4.1 Mohs Hardness
9.8.4 Brinell Hardness
9.11.2 Vickers Hardness
11.2 Speed of Sound
11.12 Optical Properties
11.12.1 Refractive Index
13.1.4 Reflectivity
13.3 Allotropes
13.3.1 α Allotropes
Not Available
Not Available
13.3.2 β Allotropes
Not Available
Not Available
13.3.3 γ Allotropes
Not Available
Not Available
14 Chemical
14.1 Chemical Formula
14.2 Isotopes
14.2.1 Known Isotopes
14.8 Electronegativity
14.8.1 Pauling Electronegativity
14.11.2 Sanderson Electronegativity
15.3.1 Allred Rochow Electronegativity
15.6.1 Mulliken-Jaffe Electronegativity
15.9.2 Allen Electronegativity
15.12 Electropositivity
15.12.1 Pauling Electropositivity
15.16 Ionization Energies
15.16.1 1st Energy Level
470.00 kJ/mol761.00 kJ/mol
375.7
26130
17.1.3 2nd Energy Level
1,428.00 kJ/mol1,500.00 kJ/mol
710.2162
28750
17.1.8 3rd Energy Level
2,228.00 kJ/molNA
1600
34230
17.1.12 4th Energy Level
4,910.00 kJ/molNA
2780
37066
17.1.15 5th Energy Level
17.4.2 6th Energy Level
17.5.3 7th Energy level
17.7.1 8th Energy Level
17.8.1 9th Energy Level
18.2.2 10th Energy Level
19.2.1 11th Energy Level
19.6.2 12th Energy Level
19.7.3 13th Energy Level
19.9.1 14th Energy Level
19.11.2 15th Energy Level
20.1.4 16th Energy Level
20.1.7 17th Energy Level
20.1.11 18th Energy Level
20.3.2 19th Energy Level
20.4.1 20th Energy Level
20.5.1 21st Energy Level
20.5.3 22nd Energy Level
20.5.4 23rd Energy Level
20.7.2 24th Energy Level
20.7.3 25th Energy Level
21.1.1 26th Energy Level
21.3.1 27th Energy Level
22.2.1 28th Energy Level
22.2.2 29th Energy Level
22.3.1 30th Energy Level
22.4 Electrochemical Equivalent
3.23 g/amp-hr1.35 g/amp-hr
0.16812
8.3209
22.7 Electron Work Function
22.10 Other Chemical Properties
Ionization, Radioactive Isotopes
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
23 Atomic
23.1 Atomic Number
23.4 Electron Configuration
[Rn] 5f14 7s2 7p1
[Xe] 4f14 5d3 6s2
23.5 Crystal Structure
Hexagonal Close Packed (HCP)
Body Centered Cubic (BCC)
23.5.1 Crystal Lattice
23.6 Atom
23.6.1 Number of Protons
23.7.2 Number of Neutrons
23.7.5 Number of Electrons
23.8 Radius of an Atom
23.8.1 Atomic Radius
23.9.1 Covalent Radius
23.10.1 Van der Waals Radius
246.00 pm200.00 pm
139
348
24.2 Atomic Weight
266.00 amu180.95 amu
6.94
294
24.3 Atomic Volume
NA10.90 cm3/mol
1.39
71.07
24.5 Adjacent Atomic Numbers
24.5.1 Previous Element
24.5.2 Next Element
24.6 Valence Electron Potential
24.7 Lattice Constant
NA330.13 pm
228.58
891.25
25.2 Lattice Angles
25.3 Lattice C/A Ratio
26 Mechanical
26.1 Density
26.1.1 Density At Room Temperature
26.2.1 Density When Liquid (at m.p.)
26.4 Tensile Strength
26.5 Viscosity
26.7 Vapor Pressure
26.7.1 Vapor Pressure at 1000 K
26.7.2 Vapor Pressure at 2000 K
26.9 Elasticity properties
26.9.1 Shear Modulus
26.9.2 Bulk Modulus
26.9.5 Young's Modulus
26.11 Poisson Ratio
26.12 Other Mechanical Properties
27 Magnetic
27.1 Magnetic Characteristics
27.1.1 Specific Gravity
27.1.2 Magnetic Ordering
27.1.3 Permeability
27.1.4 Susceptibility
27.2 Electrical Properties
27.2.1 Electrical Property
27.2.2 Resistivity
27.2.3 Electrical Conductivity
NA0.08 106/cm Ω
0.00666
0.63
1.4.2 Electron Affinity
2 Thermal
2.1 Specific Heat
2.2 Molar Heat Capacity
NA25.36 J/mol·K
16.443
62.7
2.3 Thermal Conductivity
2.4 Critical Temperature
2.5 Thermal Expansion
2.6 Enthalpy
2.6.1 Enthalpy of Vaporization
NA753.10 kJ/mol
7.32
799.1
2.6.2 Enthalpy of Fusion
2.6.3 Enthalpy of Atomization
2.7 Standard Molar Entropy
NA41.50 J/mol.K
9.5
198.1