1 Periodic Table
1.1 Symbol
1.2 Group Number
1.5 Period Number
1.6 Block
1.7 Element Family
Transition Metal
Transition Metal
1.8 CAS Number
74402577440677
7429905
54386242
1.10 Space Group Name
1.11 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.
- Zirconium metal can resist to weak acids.
- Zirconium metal reacts with oxygen and nitrogen in the atmosphere.
2.2 Sources
Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Anders Gustaf Ekeberg
Martin Heinrich Klaproth
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
8 * 10-9 %5 * 10-6 %
5E-09
0.11
2.5.1 Abundance In Sun
~-9999 %~0.000004 %
1E-08
0.1
2.8.1 Abundance In Meteorites
2.11.1 Abundance In Earth's Crust
2.4.2 Abundance In Oceans
2.6.1 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.
- As this metal does not absorb neutrons; It is used in nuclear power stations.
- Its oxide is used in ultra strong ceramics. It is also used in manufacturing Crucibles.
3.1.1 Industrial Uses
Electrical Industry, Electronic Industry
Aerospace Industry, Ammunition Industry
3.1.2 Medical Uses
3.1.3 Other Uses
Alloys
Alloys, Nuclear Research, Research Purposes
3.2 Biological Properties
3.2.1 Toxicity
3.2.2 Present in Human Body
3.2.3 In Blood
NA0.01 Blood/mg dm-3
0
1970
3.4.1 In Bone
0.03 p.p.m.0.10 p.p.m.
0
170000
3 Physical
3.1 Melting Point
2,996.00 °C1,852.00 °C
27
3410
3.3 Boiling Point
5,425.00 °C4,377.00 °C
147
5660
4.4 Appearance
4.4.1 Physical State
4.4.2 Color
4.5.2 Luster
4.6 Hardness
4.6.1 Mohs Hardness
5.1.1 Brinell Hardness
440.00 MPa638.00 MPa
0.14
3490
5.2.6 Vickers Hardness
870.00 MPa820.00 MPa
121
3430
5.5 Speed of Sound
3,400.00 m/s3,800.00 m/s
818
16200
6.4 Optical Properties
6.4.1 Refractive Index
6.7.2 Reflectivity
6.9 Allotropes
6.10.2 α Allotropes
Not Available
Not Available
6.10.3 β Allotropes
Not Available
Not Available
6.10.4 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
7.2 Isotopes
7.2.1 Known Isotopes
7.4 Electronegativity
7.4.1 Pauling Electronegativity
7.4.4 Sanderson Electronegativity
7.4.8 Allred Rochow Electronegativity
7.5.3 Mulliken-Jaffe Electronegativity
7.6.3 Allen Electronegativity
9.3 Electropositivity
9.3.1 Pauling Electropositivity
9.4 Ionization Energies
9.4.1 1st Energy Level
761.00 kJ/mol640.10 kJ/mol
375.7
26130
9.5.4 2nd Energy Level
1,500.00 kJ/mol1,270.00 kJ/mol
710.2162
28750
9.5.10 3rd Energy Level
NA2,218.00 kJ/mol
1600
34230
9.5.14 4th Energy Level
NA3,313.00 kJ/mol
2780
37066
9.5.16 5th Energy Level
NA7,752.00 kJ/mol
4305.2
97510
9.5.22 6th Energy Level
NA9,500.00 kJ/mol
5715.8
105800
9.5.26 7th Energy level
10.3.2 8th Energy Level
10.4.3 9th Energy Level
10.4.5 10th Energy Level
11.2.1 11th Energy Level
11.4.2 12th Energy Level
11.6.2 13th Energy Level
11.6.7 14th Energy Level
11.6.11 15th Energy Level
11.6.15 16th Energy Level
11.6.18 17th Energy Level
11.7.3 18th Energy Level
11.8.3 19th Energy Level
1.2.4 20th Energy Level
2.2.2 21st Energy Level
2.3.2 22nd Energy Level
2.4.1 23rd Energy Level
3.1.1 24th Energy Level
3.1.4 25th Energy Level
3.6.2 26th Energy Level
3.6.5 27th Energy Level
4.4.4 28th Energy Level
4.4.6 29th Energy Level
4.4.11 30th Energy Level
4.5 Electrochemical Equivalent
1.35 g/amp-hr0.85 g/amp-hr
0.16812
8.3209
4.9 Electron Work Function
4.10 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
Anti Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility
5 Atomic
5.1 Atomic Number
5.4 Electron Configuration
[Xe] 4f14 5d3 6s2
[Kr] 4d2 5s2
5.5 Crystal Structure
Body Centered Cubic (BCC)
Hexagonal Close Packed (HCP)
5.5.2 Crystal Lattice
5.6 Atom
5.6.1 Number of Protons
6.2.4 Number of Neutrons
7.3.3 Number of Electrons
8.2 Radius of an Atom
8.2.1 Atomic Radius
146.00 pm160.00 pm
112
265
8.4.1 Covalent Radius
170.00 pm175.00 pm
96
260
9.2.1 Van der Waals Radius
200.00 pm200.00 pm
139
348
9.3 Atomic Weight
180.95 amu91.22 amu
6.94
294
9.7 Atomic Volume
10.90 cm3/mol14.10 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
110.00 (-eV)80.00 (-eV)
8
392.42
9.14 Lattice Constant
330.13 pm323.20 pm
228.58
891.25
9.16 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
9.17 Lattice C/A Ratio
10 Mechanical
10.1 Density
10.1.1 Density At Room Temperature
16.69 g/cm36.52 g/cm3
0.534
40.7
10.5.1 Density When Liquid (at m.p.)
15.00 g/cm35.80 g/cm3
0.512
20
10.9 Tensile Strength
12.3 Viscosity
13.2 Vapor Pressure
13.2.1 Vapor Pressure at 1000 K
13.3.2 Vapor Pressure at 2000 K
0.00 (Pa)0.00 (Pa)
2.62E-10
774
13.6 Elasticity properties
13.6.1 Shear Modulus
69.00 GPa33.00 GPa
1.3
222
13.7.1 Bulk Modulus
200.00 GPa91.10 GPa
1.6
462
13.8.5 Young's Modulus
186.00 GPa88.00 GPa
1.7
528
13.10 Poisson Ratio
14.2 Other Mechanical Properties
Ductile
Ductile, Malleable
15 Magnetic
15.1 Magnetic Characteristics
15.1.1 Specific Gravity
15.3.2 Magnetic Ordering
Paramagnetic
Paramagnetic
15.3.4 Permeability
15.5.4 Susceptibility
15.7 Electrical Properties
15.7.1 Electrical Property
15.7.2 Resistivity
131.00 nΩ·m421.00 nΩ·m
0.18
961
15.11.1 Electrical Conductivity
0.08 106/cm Ω0.02 106/cm Ω
0.00666
0.63
17.1.4 Electron Affinity
31.00 kJ/mol41.10 kJ/mol
0
222.8
18 Thermal
18.1 Specific Heat
0.14 J/(kg K)0.27 J/(kg K)
0.11
3.6
18.3 Molar Heat Capacity
25.36 J/mol·K25.36 J/mol·K
16.443
62.7
18.4 Thermal Conductivity
57.50 W/m·K22.60 W/m·K
6.3
429
18.6 Critical Temperature
19.2 Thermal Expansion
6.30 µm/(m·K)5.70 µm/(m·K)
4.5
97
19.4 Enthalpy
19.4.1 Enthalpy of Vaporization
753.10 kJ/mol581.60 kJ/mol
7.32
799.1
19.6.1 Enthalpy of Fusion
31.40 kJ/mol20.90 kJ/mol
2.1
35.23
19.8.1 Enthalpy of Atomization
782.00 kJ/mol598.00 kJ/mol
61.5
837
19.12 Standard Molar Entropy
41.50 J/mol.K39.00 J/mol.K
9.5
198.1