1 Periodic Table
1.1 Symbol
1.2 Group Number
3.6 Period Number
3.9 Block
3.10 Element Family
Actinide
Transition Metal
3.11 CAS Number
100281457440257
7429905
54386242
4.3 Space Group Name
4.4 Space Group Number
7 Facts
7.1 Interesting Facts
- The most stable isotope of Nobelium metal is No-259.
- No-259 has a half-life of fifty-eight minutes.
- Tantalum metal is known as corrosion resistance.
- Tantalum metal can easily fabricated and It is a good conductor of heat and electricity.
8.2 Sources
Bombarding Curium-246 or Curium-249 with Carbon-12 Nuclei, Found in Minerals, Mining
Found in Minerals, Mining, Ores of Minerals
8.3 History
8.3.1 Who Discovered
Joint Institute for Nuclear Research
Anders Gustaf Ekeberg
8.3.2 Discovery
8.4 Abundance
8.4.1 Abundance In Universe
8.10.1 Abundance In Sun
~-9999 %~-9999 %
1E-08
0.1
9.4.2 Abundance In Meteorites
9.5.2 Abundance In Earth's Crust
9.5.4 Abundance In Oceans
9.6.1 Abundance In Humans
10 Uses
10.1 Uses & Benefits
- Currently known uses of Nobelium 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.
10.1.1 Industrial Uses
NA
Electrical Industry, Electronic Industry
10.1.2 Medical Uses
10.1.3 Other Uses
10.2 Biological Properties
10.2.1 Toxicity
10.2.2 Present in Human Body
10.2.3 In Blood
0.00 Blood/mg dm-3NA
0
1970
10.4.1 In Bone
0.00 p.p.m.0.03 p.p.m.
0
170000
12 Physical
12.1 Melting Point
827.00 °C2,996.00 °C
27
3410
12.3 Boiling Point
12.5 Appearance
12.5.1 Physical State
12.5.2 Color
12.5.3 Luster
12.6 Hardness
12.6.1 Mohs Hardness
12.6.4 Brinell Hardness
13.2.2 Vickers Hardness
13.3 Speed of Sound
13.6 Optical Properties
13.6.1 Refractive Index
13.8.2 Reflectivity
13.9 Allotropes
13.9.1 α Allotropes
Not Available
Not Available
13.9.2 β Allotropes
Not Available
Not Available
13.9.3 γ Allotropes
Not Available
Not Available
14 Chemical
14.1 Chemical Formula
14.2 Isotopes
14.2.1 Known Isotopes
14.4 Electronegativity
14.4.1 Pauling Electronegativity
14.4.4 Sanderson Electronegativity
14.4.7 Allred Rochow Electronegativity
14.4.11 Mulliken-Jaffe Electronegativity
14.4.13 Allen Electronegativity
14.5 Electropositivity
14.5.1 Pauling Electropositivity
14.6 Ionization Energies
14.6.1 1st Energy Level
642.00 kJ/mol761.00 kJ/mol
375.7
26130
14.6.3 2nd Energy Level
1,254.00 kJ/mol1,500.00 kJ/mol
710.2162
28750
14.7.4 3rd Energy Level
2,643.00 kJ/molNA
1600
34230
14.8.2 4th Energy Level
3,956.00 kJ/molNA
2780
37066
14.8.5 5th Energy Level
14.8.7 6th Energy Level
14.8.10 7th Energy level
14.8.13 8th Energy Level
14.8.16 9th Energy Level
14.8.18 10th Energy Level
14.8.21 11th Energy Level
14.8.24 12th Energy Level
14.8.28 13th Energy Level
14.8.30 14th Energy Level
14.8.34 15th Energy Level
14.8.37 16th Energy Level
14.8.40 17th Energy Level
14.8.42 18th Energy Level
14.8.47 19th Energy Level
14.8.50 20th Energy Level
14.8.52 21st Energy Level
14.9.1 22nd Energy Level
14.9.3 23rd Energy Level
14.10.1 24th Energy Level
14.10.2 25th Energy Level
15.1.1 26th Energy Level
15.1.2 27th Energy Level
15.4.2 28th Energy Level
15.4.4 29th Energy Level
15.4.7 30th Energy Level
15.5 Electrochemical Equivalent
4.83 g/amp-hr1.35 g/amp-hr
0.16812
8.3209
15.6 Electron Work Function
15.8 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
16 Atomic
16.1 Atomic Number
16.2 Electron Configuration
[Rn] 5f14 7s2
[Xe] 4f14 5d3 6s2
16.3 Crystal Structure
Not Known
Body Centered Cubic (BCC)
16.3.1 Crystal Lattice
16.4 Atom
16.4.1 Number of Protons
16.5.1 Number of Neutrons
16.6.1 Number of Electrons
16.9 Radius of an Atom
16.9.1 Atomic Radius
16.9.4 Covalent Radius
16.12.1 Van der Waals Radius
246.00 pm200.00 pm
139
348
17.2 Atomic Weight
259.00 amu180.95 amu
6.94
294
17.3 Atomic Volume
NA10.90 cm3/mol
1.39
71.07
17.4 Adjacent Atomic Numbers
17.4.1 Previous Element
17.4.2 Next Element
17.5 Valence Electron Potential
26.00 (-eV)110.00 (-eV)
8
392.42
17.7 Lattice Constant
NA330.13 pm
228.58
891.25
17.9 Lattice Angles
17.10 Lattice C/A Ratio
18 Mechanical
18.1 Density
18.1.1 Density At Room Temperature
18.2.1 Density When Liquid (at m.p.)
18.5 Tensile Strength
19.3 Viscosity
20.2 Vapor Pressure
20.2.1 Vapor Pressure at 1000 K
20.5.2 Vapor Pressure at 2000 K
20.9 Elasticity properties
20.9.2 Shear Modulus
20.9.4 Bulk Modulus
20.9.8 Young's Modulus
20.12 Poisson Ratio
20.13 Other Mechanical Properties
21 Magnetic
21.1 Magnetic Characteristics
21.1.1 Specific Gravity
21.2.2 Magnetic Ordering
21.2.3 Permeability
21.4.1 Susceptibility
22.2 Electrical Properties
22.2.1 Electrical Property
22.2.2 Resistivity
22.5.2 Electrical Conductivity
NA0.08 106/cm Ω
0.00666
0.63
22.8.1 Electron Affinity
24 Thermal
24.1 Specific Heat
24.4 Molar Heat Capacity
NA25.36 J/mol·K
16.443
62.7
25.2 Thermal Conductivity
25.5 Critical Temperature
26.3 Thermal Expansion
26.6 Enthalpy
26.6.1 Enthalpy of Vaporization
NA753.10 kJ/mol
7.32
799.1
26.9.1 Enthalpy of Fusion
26.10.1 Enthalpy of Atomization
26.13 Standard Molar Entropy
NA41.50 J/mol.K
9.5
198.1