1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
Transition Metal
Transition Metal
1.6 CAS Number
74402577440575
7429905
54386242
1.7 Space Group Name
1.8 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.
- It is found in copper ores and from the crust of the earth.
- It is the most malleable and ductile metal.
- Gold alloys are used in Dentistry as fillings, crowning, clips, etc. It is also used as an artificial limb joints.
2.2 Sources
Found in Minerals, Mining, Ores of Minerals
Earth's crust, Mining, Ores of metals
2.3 History
2.3.1 Who Discovered
Anders Gustaf Ekeberg
Unknown
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
8 * 10-9 %6 * 10-8 %
5E-09
0.11
2.4.2 Abundance In Sun
~-9999 %~0.0000001 %
1E-08
0.1
1.2.1 Abundance In Meteorites
1.3.1 Abundance In Earth's Crust
1.10.1 Abundance In Oceans
1.4.1 Abundance In Humans
2 Uses
2.1 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.
- Gold metal is mainly used for Jewelry, bullion, coinage, etc.
- It is used in the art, decoration, ornaments, etc. It is also used for electroplating process.
2.1.1 Industrial Uses
Electrical Industry, Electronic Industry
Chemical Industry, Clothing Industry, Electrical Industry, Electronic Industry
2.1.2 Medical Uses
NA
Dentistry, Pharmaceutical Industry
2.1.3 Other Uses
Alloys
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues
2.2 Biological Properties
2.2.1 Toxicity
2.2.2 Present in Human Body
2.2.3 In Blood
NA0.00 Blood/mg dm-3
0
1970
4.4.2 In Bone
0.03 p.p.m.0.02 p.p.m.
0
170000
5 Physical
5.1 Melting Point
2,996.00 °C1,064.43 °C
27
3410
1.5 Boiling Point
5,425.00 °C2,807.00 °C
147
5660
1.7 Appearance
1.7.1 Physical State
1.7.2 Color
1.7.3 Luster
1.8 Hardness
2.0.1 Mohs Hardness
3.2.5 Brinell Hardness
440.00 MPa194.00 MPa
0.14
3490
4.2.4 Vickers Hardness
870.00 MPa216.00 MPa
121
3430
6.5 Speed of Sound
3,400.00 m/s2,030.00 m/s
818
16200
7.2 Optical Properties
7.2.1 Refractive Index
7.3.1 Reflectivity
7.7 Allotropes
7.7.1 α Allotropes
Not Available
Not Available
7.7.2 β Allotropes
Not Available
Not Available
7.7.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
8.2 Isotopes
8.2.1 Known Isotopes
8.5 Electronegativity
8.5.1 Pauling Electronegativity
9.2.5 Sanderson Electronegativity
10.2.5 Allred Rochow Electronegativity
12.1.1 Mulliken-Jaffe Electronegativity
13.2.2 Allen Electronegativity
13.9 Electropositivity
13.9.1 Pauling Electropositivity
14.3 Ionization Energies
14.3.1 1st Energy Level
761.00 kJ/mol890.10 kJ/mol
375.7
26130
14.3.3 2nd Energy Level
1,500.00 kJ/mol1,980.00 kJ/mol
710.2162
28750
14.4.4 3rd Energy Level
14.4.9 4th Energy Level
14.6.2 5th Energy Level
14.6.4 6th Energy Level
14.9.2 7th Energy level
14.10.3 8th Energy Level
16.2.2 9th Energy Level
16.4.3 10th Energy Level
16.6.5 11th Energy Level
16.6.10 12th Energy Level
16.6.15 13th Energy Level
16.6.20 14th Energy Level
16.7.3 15th Energy Level
16.8.2 16th Energy Level
16.9.2 17th Energy Level
16.9.6 18th Energy Level
16.10.5 19th Energy Level
16.10.9 20th Energy Level
16.10.10 21st Energy Level
16.10.14 22nd Energy Level
16.10.17 23rd Energy Level
16.10.19 24th Energy Level
16.10.22 25th Energy Level
16.10.25 26th Energy Level
16.10.28 27th Energy Level
16.10.32 28th Energy Level
16.10.36 29th Energy Level
16.10.37 30th Energy Level
16.11 Electrochemical Equivalent
1.35 g/amp-hr2.45 g/amp-hr
0.16812
8.3209
16.12 Electron Work Function
16.13 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
Chemical Stability, Ionization, Solubility
17 Atomic
17.1 Atomic Number
17.2 Electron Configuration
[Xe] 4f14 5d3 6s2
[Xe] 4f14 5d10 6s1
17.3 Crystal Structure
Body Centered Cubic (BCC)
Face Centered Cubic (FCC)
17.3.1 Crystal Lattice
17.4 Atom
17.4.1 Number of Protons
17.4.7 Number of Neutrons
17.4.18 Number of Electrons
17.5 Radius of an Atom
17.5.1 Atomic Radius
146.00 pm151.00 pm
112
265
17.5.8 Covalent Radius
170.00 pm144.00 pm
96
260
17.5.14 Van der Waals Radius
200.00 pm166.00 pm
139
348
17.6 Atomic Weight
180.95 amu196.97 amu
6.94
294
17.8 Atomic Volume
10.90 cm3/mol10.20 cm3/mol
1.39
71.07
18.2 Adjacent Atomic Numbers
18.2.1 Previous Element
18.2.2 Next Element
18.3 Valence Electron Potential
110.00 (-eV)43.40 (-eV)
8
392.42
18.5 Lattice Constant
330.13 pm407.82 pm
228.58
891.25
19.2 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
19.3 Lattice C/A Ratio
20 Mechanical
20.1 Density
20.1.1 Density At Room Temperature
16.69 g/cm319.30 g/cm3
0.534
40.7
20.5.2 Density When Liquid (at m.p.)
15.00 g/cm317.31 g/cm3
0.512
20
20.9 Tensile Strength
21.2 Viscosity
21.4 Vapor Pressure
21.4.1 Vapor Pressure at 1000 K
22.1.2 Vapor Pressure at 2000 K
0.00 (Pa)67.00 (Pa)
2.62E-10
774
22.6 Elasticity properties
22.6.1 Shear Modulus
69.00 GPa27.00 GPa
1.3
222
22.11.1 Bulk Modulus
200.00 GPa180.00 GPa
1.6
462
23.3.2 Young's Modulus
186.00 GPa79.00 GPa
1.7
528
24.4 Poisson Ratio
24.10 Other Mechanical Properties
Ductile
Ductile, Malleable
25 Magnetic
25.1 Magnetic Characteristics
25.1.1 Specific Gravity
25.3.4 Magnetic Ordering
25.3.5 Permeability
25.7.1 Susceptibility
25.9 Electrical Properties
25.9.1 Electrical Property
25.9.2 Resistivity
131.00 nΩ·m2.20 nΩ·m
0.18
961
27.1.2 Electrical Conductivity
0.08 106/cm Ω0.45 106/cm Ω
0.00666
0.63
28.4.3 Electron Affinity
31.00 kJ/mol222.80 kJ/mol
0
222.8
29 Thermal
29.1 Specific Heat
0.14 J/(kg K)0.13 J/(kg K)
0.11
3.6
29.4 Molar Heat Capacity
25.36 J/mol·K25.42 J/mol·K
16.443
62.7
32.2 Thermal Conductivity
57.50 W/m·K318.00 W/m·K
6.3
429
32.6 Critical Temperature
32.11 Thermal Expansion
6.30 µm/(m·K)14.20 µm/(m·K)
4.5
97
33.4 Enthalpy
33.4.1 Enthalpy of Vaporization
753.10 kJ/mol324.40 kJ/mol
7.32
799.1
33.7.1 Enthalpy of Fusion
31.40 kJ/mol12.55 kJ/mol
2.1
35.23
33.7.5 Enthalpy of Atomization
782.00 kJ/mol364.00 kJ/mol
61.5
837
33.10 Standard Molar Entropy
41.50 J/mol.K47.40 J/mol.K
9.5
198.1