1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.5 Block
1.6 Element Family
Transition Metal
Alkaline Earth
1.7 CAS Number
74402577440144
7429905
54386242
1.13 Space Group Name
1.14 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.
- Radium metal is the heaviest metal of Alkaline earth metals column.
- Radium metal is highly radioactive and does not have any stable isotopes.
2.2 Sources
Found in Minerals, Mining, Ores of Minerals
Mining, Ores of metals
2.3 History
2.3.1 Who Discovered
Anders Gustaf Ekeberg
Not Available
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
3.4.2 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
3.6.1 Abundance In Meteorites
3.7.2 Abundance In Earth's Crust
3.8.3 Abundance In Oceans
3.8.7 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.
- It is a highly radioactive metal; and sometime Radium-223 is used to treat prostate cancer.
-
It is used in luminous paints.
4.1.1 Industrial Uses
Electrical Industry, Electronic Industry
NA
4.1.2 Medical Uses
NA
Pharmaceutical Industry
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
4.3.3 In Bone
6 Physical
6.1 Melting Point
2,996.00 °C700.00 °C
27
3410
7.2 Boiling Point
5,425.00 °C1,737.00 °C
147
5660
8.2 Appearance
8.2.1 Physical State
8.2.2 Color
8.2.3 Luster
8.3 Hardness
8.3.1 Mohs Hardness
8.4.1 Brinell Hardness
8.6.2 Vickers Hardness
8.9 Speed of Sound
8.11 Optical Properties
8.11.1 Refractive Index
8.11.5 Reflectivity
8.13 Allotropes
8.13.1 α Allotropes
Not Available
Not Available
8.13.2 β Allotropes
Not Available
Not Available
8.13.3 γ Allotropes
Not Available
Not Available
9 Chemical
9.1 Chemical Formula
9.2 Isotopes
9.2.1 Known Isotopes
9.4 Electronegativity
9.4.1 Pauling Electronegativity
9.5.3 Sanderson Electronegativity
10.2.2 Allred Rochow Electronegativity
10.2.7 Mulliken-Jaffe Electronegativity
10.4.1 Allen Electronegativity
11.2 Electropositivity
11.2.1 Pauling Electropositivity
11.3 Ionization Energies
11.3.1 1st Energy Level
761.00 kJ/mol509.30 kJ/mol
375.7
26130
11.3.7 2nd Energy Level
1,500.00 kJ/mol979.00 kJ/mol
710.2162
28750
11.3.12 3rd Energy Level
11.5.2 4th Energy Level
11.7.2 5th Energy Level
12.1.1 6th Energy Level
12.1.4 7th Energy level
12.4.3 8th Energy Level
12.4.7 9th Energy Level
13.2.1 10th Energy Level
13.3.2 11th Energy Level
13.5.2 12th Energy Level
13.7.3 13th Energy Level
13.8.3 14th Energy Level
13.10.2 15th Energy Level
13.11.1 16th Energy Level
13.12.3 17th Energy Level
13.14.1 18th Energy Level
13.15.1 19th Energy Level
13.15.4 20th Energy Level
14.1.2 21st Energy Level
14.1.4 22nd Energy Level
14.2.2 23rd Energy Level
14.2.5 24th Energy Level
14.2.6 25th Energy Level
14.3.2 26th Energy Level
14.4.2 27th Energy Level
14.5.2 28th Energy Level
14.5.4 29th Energy Level
14.5.7 30th Energy Level
14.7 Electrochemical Equivalent
1.35 g/amp-hr4.22 g/amp-hr
0.16812
8.3209
14.8 Electron Work Function
14.9 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
Ionization, Radioactive Isotopes, Radioactivity
15 Atomic
15.1 Atomic Number
15.2 Electron Configuration
[Xe] 4f14 5d3 6s2
[Rn] 7s2
15.3 Crystal Structure
Body Centered Cubic (BCC)
Body Centered Cubic (BCC)
15.3.1 Crystal Lattice
15.4 Atom
15.4.1 Number of Protons
15.5.3 Number of Neutrons
16.1.5 Number of Electrons
16.3 Radius of an Atom
16.3.1 Atomic Radius
16.5.3 Covalent Radius
170.00 pm221.00 pm
96
260
17.1.2 Van der Waals Radius
200.00 pm283.00 pm
139
348
17.2 Atomic Weight
180.95 amu226.00 amu
6.94
294
17.6 Atomic Volume
10.90 cm3/mol45.20 cm3/mol
1.39
71.07
18.3 Adjacent Atomic Numbers
18.3.1 Previous Element
18.3.2 Next Element
18.4 Valence Electron Potential
110.00 (-eV)20.10 (-eV)
8
392.42
18.6 Lattice Constant
330.13 pm514.80 pm
228.58
891.25
18.9 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
18.10 Lattice C/A Ratio
19 Mechanical
19.1 Density
19.1.1 Density At Room Temperature
16.69 g/cm35.50 g/cm3
0.534
40.7
19.2.2 Density When Liquid (at m.p.)
19.5 Tensile Strength
19.7 Viscosity
19.8 Vapor Pressure
19.8.1 Vapor Pressure at 1000 K
19.10.2 Vapor Pressure at 2000 K
19.13 Elasticity properties
19.13.1 Shear Modulus
20.1.2 Bulk Modulus
20.1.4 Young's Modulus
20.3 Poisson Ratio
20.5 Other Mechanical Properties
21 Magnetic
21.1 Magnetic Characteristics
21.1.1 Specific Gravity
21.2.2 Magnetic Ordering
21.2.3 Permeability
21.2.4 Susceptibility
1.2 Electrical Properties
1.2.1 Electrical Property
1.2.2 Resistivity
131.00 nΩ·m100.00 nΩ·m
0.18
961
1.4.1 Electrical Conductivity
0.08 106/cm ΩNA
0.00666
0.63
1.6.3 Electron Affinity
2 Thermal
2.1 Specific Heat
0.14 J/(kg K)0.12 J/(kg K)
0.11
3.6
2.3 Molar Heat Capacity
25.36 J/mol·KNA
16.443
62.7
3.2 Thermal Conductivity
57.50 W/m·K18.60 W/m·K
6.3
429
3.3 Critical Temperature
3.5 Thermal Expansion
1.26 Enthalpy
1.26.1 Enthalpy of Vaporization
753.10 kJ/molNA
7.32
799.1
1.26.2 Enthalpy of Fusion
1.26.3 Enthalpy of Atomization
782.00 kJ/mol163.00 kJ/mol
61.5
837
1.3 Standard Molar Entropy
41.50 J/mol.K71.00 J/mol.K
9.5
198.1