1 Periodic Table
1.1 Symbol
1.2 Group Number
2.2 Period Number
2.4 Block
2.5 Element Family
Actinide
Transition Metal
2.6 CAS Number
74401117440224
7429905
54386242
2.7 Space Group Name
2.8 Space Group Number
3 Facts
3.1 Interesting Facts
- Mendelevium metal is synthetically produced metal.
- Mendelevium metal has been produced in only trace amount.
- It is the most reflective element.
- Silver is the second most ductile metal after Gold.
- It is also used in Dentistry as a dental alloys for clips and crowning.
3.2 Sources
Bombarding Einsteinium with Helium Ions
Earth's crust, Found in Minerals, Ores of metals
3.3 History
3.3.1 Who Discovered
Lawrence Berkeley National Laboratory
Unknown
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
3.4.3 Abundance In Sun
~-9999 %~0.0000001 %
1E-08
0.1
3.4.5 Abundance In Meteorites
3.5.1 Abundance In Earth's Crust
3.6.2 Abundance In Oceans
3.6.4 Abundance In Humans
5 Uses
5.1 Uses & Benefits
- Currently known uses of Mendelevium metal are limited to research purpose only.
- Silver is mainly used for Jewelry and show piece.
- It is used for manufacturing high quality mirrors due to its reflectivity property.
5.1.1 Industrial Uses
NA
Chemical Industry, Clothing Industry, Electrical Industry
5.1.2 Medical Uses
NA
Dentistry, Pharmaceutical Industry
5.1.3 Other Uses
NA
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues
5.2 Biological Properties
5.2.1 Toxicity
5.2.2 Present in Human Body
5.2.3 In Blood
0.00 Blood/mg dm-30.00 Blood/mg dm-3
0
1970
5.3.2 In Bone
0.00 p.p.m.0.44 p.p.m.
0
170000
6 Physical
6.1 Melting Point
827.00 °C961.93 °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
6.4.3 Brinell Hardness
6.5.2 Vickers Hardness
6.7 Speed of Sound
6.8 Optical Properties
6.8.1 Refractive Index
6.8.3 Reflectivity
6.9 Allotropes
6.9.1 α Allotropes
Not Available
Not Available
6.9.2 β Allotropes
Not Available
Not Available
6.9.3 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
7.2 Isotopes
7.2.1 Known Isotopes
7.3 Electronegativity
7.3.1 Pauling Electronegativity
7.3.3 Sanderson Electronegativity
7.3.5 Allred Rochow Electronegativity
7.3.7 Mulliken-Jaffe Electronegativity
7.3.9 Allen Electronegativity
7.4 Electropositivity
7.4.1 Pauling Electropositivity
7.5 Ionization Energies
7.5.1 1st Energy Level
635.00 kJ/mol731.00 kJ/mol
375.7
26130
7.5.3 2nd Energy Level
1,235.00 kJ/mol2,070.00 kJ/mol
710.2162
28750
7.5.5 3rd Energy Level
2,470.00 kJ/mol3,361.00 kJ/mol
1600
34230
7.5.7 4th Energy Level
3,840.00 kJ/molNA
2780
37066
7.5.9 5th Energy Level
7.5.10 6th Energy Level
7.5.12 7th Energy level
7.5.14 8th Energy Level
7.5.16 9th Energy Level
7.5.18 10th Energy Level
7.5.20 11th Energy Level
7.5.23 12th Energy Level
7.5.25 13th Energy Level
7.5.27 14th Energy Level
7.5.30 15th Energy Level
7.5.32 16th Energy Level
7.5.34 17th Energy Level
7.5.36 18th Energy Level
7.5.38 19th Energy Level
7.6.1 20th Energy Level
7.6.2 21st Energy Level
7.7.1 22nd Energy Level
7.7.2 23rd Energy Level
8.1.1 24th Energy Level
8.1.2 25th Energy Level
8.4.2 26th Energy Level
8.4.3 27th Energy Level
8.4.5 28th Energy Level
8.4.6 29th Energy Level
8.4.8 30th Energy Level
8.5 Electrochemical Equivalent
3.21 g/amp-hr4.02 g/amp-hr
0.16812
8.3209
8.7 Electron Work Function
8.8 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Chemical Stability, Ionization, Solubility
9 Atomic
9.1 Atomic Number
9.2 Electron Configuration
[Rn] 5f13 7s2
[Kr] 4d10 5s1
9.3 Crystal Structure
Not Known
Face Centered Cubic (FCC)
9.4.1 Crystal Lattice
9.5 Atom
9.5.1 Number of Protons
9.5.2 Number of Neutrons
9.6.1 Number of Electrons
9.9 Radius of an Atom
9.9.1 Atomic Radius
9.9.2 Covalent Radius
9.10.1 Van der Waals Radius
246.00 pm172.00 pm
139
348
9.13 Atomic Weight
258.00 amu107.87 amu
6.94
294
10.2 Atomic Volume
NA10.30 cm3/mol
1.39
71.07
10.3 Adjacent Atomic Numbers
10.3.1 Previous Element
10.3.2 Next Element
10.4 Valence Electron Potential
10.6 Lattice Constant
NA408.53 pm
228.58
891.25
10.8 Lattice Angles
10.9 Lattice C/A Ratio
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
11.1.3 Density When Liquid (at m.p.)
11.3 Tensile Strength
11.4 Viscosity
11.5 Vapor Pressure
11.5.1 Vapor Pressure at 1000 K
11.5.3 Vapor Pressure at 2000 K
11.7 Elasticity properties
11.7.1 Shear Modulus
12.1.2 Bulk Modulus
12.1.5 Young's Modulus
12.2 Poisson Ratio
12.4 Other Mechanical Properties
Unknown
Ductile, Malleable
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
13.1.3 Magnetic Ordering
13.1.4 Permeability
13.1.5 Susceptibility
13.2 Electrical Properties
13.2.1 Electrical Property
13.2.2 Resistivity
14.1.1 Electrical Conductivity
NA0.63 106/cm Ω
0.00666
0.63
14.2.1 Electron Affinity
15 Thermal
15.1 Specific Heat
15.3 Molar Heat Capacity
NA25.35 J/mol·K
16.443
62.7
15.5 Thermal Conductivity
15.6 Critical Temperature
15.8 Thermal Expansion
15.9 Enthalpy
15.9.1 Enthalpy of Vaporization
NA255.10 kJ/mol
7.32
799.1
15.9.3 Enthalpy of Fusion
15.10.1 Enthalpy of Atomization
15.11 Standard Molar Entropy
NA42.60 J/mol.K
9.5
198.1