1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.5 Block
1.6 Element Family
Transition Metal
Actinide
1.7 CAS Number
74402577440724
7429905
54386242
1.8 Space Group Name
1.9 Space Group Number
2 Facts
2.1 Interesting Facts
- Tantalum metal is known as corrosion resistance.
- Tantalum metal can easily fabricated and It is a good conductor of heat and electricity.
- Fermium metal is highly radioactive in nature.
- Fermium is synthetically produced metal.
2.2 Sources
Found in Minerals, Mining, Ores of Minerals
Bombarding Pu-239 with Neutrons
2.3 History
2.3.1 Who Discovered
Anders Gustaf Ekeberg
Lawrence Berkeley National Laboratory
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.5.3 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
1.2.3 Abundance In Meteorites
2.3.5 Abundance In Earth's Crust
3.1.1 Abundance In Oceans
3.3.3 Abundance In Humans
4 Uses
4.1 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 Fermium metal are limited to research purpose only.
4.1.1 Industrial Uses
Electrical Industry, Electronic Industry
NA
4.1.2 Medical Uses
4.1.3 Other Uses
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.3 In Blood
NA0.00 Blood/mg dm-3
0
1970
5.6.2 In Bone
0.03 p.p.m.0.00 p.p.m.
0
170000
6 Physical
6.1 Melting Point
2,996.00 °C1,527.00 °C
27
3410
6.2 Boiling Point
6.3 Appearance
6.3.1 Physical State
6.3.2 Color
6.3.3 Luster
6.4 Hardness
6.4.1 Mohs Hardness
6.5.2 Brinell Hardness
6.8.1 Vickers Hardness
7.3 Speed of Sound
8.3 Optical Properties
8.3.1 Refractive Index
9.2.2 Reflectivity
9.3 Allotropes
9.3.1 α Allotropes
Not Available
Not Available
9.3.2 β Allotropes
Not Available
Not Available
9.4.1 γ Allotropes
Not Available
Not Available
10 Chemical
10.1 Chemical Formula
10.2 Isotopes
10.2.1 Known Isotopes
10.3 Electronegativity
10.3.1 Pauling Electronegativity
10.5.3 Sanderson Electronegativity
10.5.7 Allred Rochow Electronegativity
10.5.11 Mulliken-Jaffe Electronegativity
10.7.1 Allen Electronegativity
10.9 Electropositivity
10.9.1 Pauling Electropositivity
10.11 Ionization Energies
10.11.1 1st Energy Level
761.00 kJ/mol627.00 kJ/mol
375.7
26130
11.2.3 2nd Energy Level
1,500.00 kJ/mol1,225.00 kJ/mol
710.2162
28750
11.4.1 3rd Energy Level
NA2,363.00 kJ/mol
1600
34230
11.4.6 4th Energy Level
NA3,792.00 kJ/mol
2780
37066
11.5.3 5th Energy Level
11.6.2 6th Energy Level
11.6.4 7th Energy level
11.7.3 8th Energy Level
11.7.6 9th Energy Level
11.7.8 10th Energy Level
11.7.12 11th Energy Level
11.7.16 12th Energy Level
11.7.19 13th Energy Level
11.7.23 14th Energy Level
11.7.26 15th Energy Level
11.7.29 16th Energy Level
11.7.32 17th Energy Level
11.7.35 18th Energy Level
11.7.38 19th Energy Level
11.7.41 20th Energy Level
11.7.44 21st Energy Level
11.8.1 22nd Energy Level
11.8.3 23rd Energy Level
11.9.2 24th Energy Level
12.1.1 25th Energy Level
12.1.3 26th Energy Level
12.4.2 27th Energy Level
12.4.3 28th Energy Level
12.4.6 29th Energy Level
12.4.8 30th Energy Level
12.5 Electrochemical Equivalent
1.35 g/amp-hr3.20 g/amp-hr
0.16812
8.3209
12.7 Electron Work Function
12.8 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
Ionization, Radioactive Isotopes, Radioactivity
13 Atomic
13.1 Atomic Number
13.3 Electron Configuration
[Xe] 4f14 5d3 6s2
[Rn] 5f12 7s2
13.4 Crystal Structure
Body Centered Cubic (BCC)
Not Known
13.4.1 Crystal Lattice
13.5 Atom
13.5.1 Number of Protons
13.7.3 Number of Neutrons
13.9.1 Number of Electrons
13.12 Radius of an Atom
13.12.1 Atomic Radius
14.2.1 Covalent Radius
14.3.1 Van der Waals Radius
200.00 pm245.00 pm
139
348
14.4 Atomic Weight
180.95 amu257.00 amu
6.94
294
15.2 Atomic Volume
10.90 cm3/molNA
1.39
71.07
15.8 Adjacent Atomic Numbers
15.8.1 Previous Element
15.8.2 Next Element
15.9 Valence Electron Potential
15.10 Lattice Constant
330.13 pmNA
228.58
891.25
15.12 Lattice Angles
15.13 Lattice C/A Ratio
16 Mechanical
16.1 Density
16.1.1 Density At Room Temperature
16.2.2 Density When Liquid (at m.p.)
16.3 Tensile Strength
16.5 Viscosity
16.7 Vapor Pressure
16.7.1 Vapor Pressure at 1000 K
17.1.2 Vapor Pressure at 2000 K
17.3 Elasticity properties
17.3.1 Shear Modulus
17.3.3 Bulk Modulus
17.6.2 Young's Modulus
17.8 Poisson Ratio
17.11 Other Mechanical Properties
18 Magnetic
18.1 Magnetic Characteristics
18.1.1 Specific Gravity
20.1.1 Magnetic Ordering
20.1.2 Permeability
20.1.3 Susceptibility
20.3 Electrical Properties
20.3.1 Electrical Property
20.3.2 Resistivity
20.4.1 Electrical Conductivity
0.08 106/cm ΩNA
0.00666
0.63
20.7.1 Electron Affinity
21 Thermal
21.1 Specific Heat
21.3 Molar Heat Capacity
25.36 J/mol·KNA
16.443
62.7
21.5 Thermal Conductivity
21.6 Critical Temperature
21.8 Thermal Expansion
21.9 Enthalpy
21.9.1 Enthalpy of Vaporization
753.10 kJ/molNA
7.32
799.1
21.10.1 Enthalpy of Fusion
22.1.2 Enthalpy of Atomization
22.2 Standard Molar Entropy
41.50 J/mol.KNA
9.5
198.1