1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
1.6 CAS Number
74401117440235
7429905
54386242
1.7 Space Group Name
1.8 Space Group Number
2 Facts
2.1 Interesting Facts
- Mendelevium metal is synthetically produced metal.
- Mendelevium metal has been produced in only trace amount.
- At room temperature Sodium metal is very soft as it can be chopped down into pieces with butter knife.
- The most common compound of Sodium is NaCl (Salt).
2.2 Sources
Bombarding Einsteinium with Helium Ions
By Electrolysis Process, Mining
2.3 History
2.3.1 Who Discovered
Lawrence Berkeley National Laboratory
Humphry Davy
3.1.1 Discovery
3.2 Abundance
3.2.1 Abundance In Universe
3.3.4 Abundance In Sun
~-9999 %~0.004 %
1E-08
0.1
3.3.6 Abundance In Meteorites
4.1.1 Abundance In Earth's Crust
4.2.1 Abundance In Oceans
4.4.2 Abundance In Humans
5 Uses
5.1 Uses & Benefits
- Currently known uses of Mendelevium metal are limited to research purpose only.
- In some nuclear reactors sodium is used as a heat exchanger.
- Compound of Sodium metals called Salt (Sodium chloride) is used in Food.
5.1.1 Industrial Uses
NA
Electrical Industry, Electronic Industry
5.1.2 Medical Uses
NA
Pharmaceutical Industry
5.1.3 Other Uses
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-31,970.00 Blood/mg dm-3
0
1970
5.2.5 In Bone
0.00 p.p.m.10,000.00 p.p.m.
0
170000
6 Physical
6.1 Melting Point
827.00 °C97.72 °C
27
3410
6.3 Boiling Point
6.4 Appearance
6.4.1 Physical State
6.4.2 Color
6.4.3 Luster
6.5 Hardness
6.5.1 Mohs Hardness
6.6.3 Brinell Hardness
7.5.14 Vickers Hardness
7.6 Speed of Sound
7.7 Optical Properties
7.7.1 Refractive Index
7.7.3 Reflectivity
7.8 Allotropes
7.8.1 α Allotropes
Not Available
Not Available
7.8.2 β Allotropes
Not Available
Not Available
7.8.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
8.2 Isotopes
8.2.1 Known Isotopes
8.3 Electronegativity
8.3.1 Pauling Electronegativity
8.3.3 Sanderson Electronegativity
8.3.5 Allred Rochow Electronegativity
8.3.7 Mulliken-Jaffe Electronegativity
8.3.9 Allen Electronegativity
8.4 Electropositivity
8.4.1 Pauling Electropositivity
8.5 Ionization Energies
8.5.1 1st Energy Level
635.00 kJ/mol495.80 kJ/mol
375.7
26130
8.5.3 2nd Energy Level
1,235.00 kJ/mol4,562.00 kJ/mol
710.2162
28750
8.5.6 3rd Energy Level
2,470.00 kJ/mol6,910.30 kJ/mol
1600
34230
8.5.8 4th Energy Level
3,840.00 kJ/mol9,543.00 kJ/mol
2780
37066
9.6.1 5th Energy Level
NA13,354.00 kJ/mol
4305.2
97510
9.7.1 6th Energy Level
NA16,613.00 kJ/mol
5715.8
105800
9.9.1 7th Energy level
NA20,117.00 kJ/mol
7226.8
114300
9.9.2 8th Energy Level
NA25,496.00 kJ/mol
8857.4
125300
9.10.1 9th Energy Level
NA28,932.00 kJ/mol
14110
134700
9.10.2 10th Energy Level
NA141,362.00 kJ/mol
17100
144300
10.1.2 11th Energy Level
NA159,076.00 kJ/mol
19900
169988
10.1.3 12th Energy Level
10.1.5 13th Energy Level
10.2.1 14th Energy Level
10.3.1 15th Energy Level
10.4.2 16th Energy Level
10.4.4 17th Energy Level
10.5.2 18th Energy Level
10.5.3 19th Energy Level
10.5.5 20th Energy Level
10.5.6 21st Energy Level
10.5.8 22nd Energy Level
10.6.1 23rd Energy Level
10.6.2 24th Energy Level
11.1.2 25th Energy Level
11.1.3 26th Energy Level
11.1.6 27th Energy Level
11.1.8 28th Energy Level
11.2.3 29th Energy Level
11.2.4 30th Energy Level
11.3 Electrochemical Equivalent
3.21 g/amp-hr0.86 g/amp-hr
0.16812
8.3209
11.4 Electron Work Function
11.5 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Chemical Stability, Corrosion, Flammability, Ionization, Solubility
12 Atomic
12.1 Atomic Number
13.2 Electron Configuration
13.3 Crystal Structure
Not Known
Body Centered Cubic (BCC)
13.3.1 Crystal Lattice
13.4 Atom
13.4.1 Number of Protons
13.5.1 Number of Neutrons
13.6.1 Number of Electrons
13.7 Radius of an Atom
13.7.1 Atomic Radius
13.8.1 Covalent Radius
13.9.1 Van der Waals Radius
246.00 pm227.00 pm
139
348
13.10 Atomic Weight
258.00 amu22.99 amu
6.94
294
13.12 Atomic Volume
NA23.70 cm3/mol
1.39
71.07
13.13 Adjacent Atomic Numbers
13.13.1 Previous Element
13.13.2 Next Element
13.14 Valence Electron Potential
13.15 Lattice Constant
NA429.06 pm
228.58
891.25
13.17 Lattice Angles
13.18 Lattice C/A Ratio
14 Mechanical
14.1 Density
14.1.1 Density At Room Temperature
14.1.2 Density When Liquid (at m.p.)
14.2 Tensile Strength
14.3 Viscosity
14.4 Vapor Pressure
14.4.1 Vapor Pressure at 1000 K
14.4.2 Vapor Pressure at 2000 K
14.5 Elasticity properties
14.5.1 Shear Modulus
14.5.2 Bulk Modulus
14.5.3 Young's Modulus
14.6 Poisson Ratio
14.7 Other Mechanical Properties
15 Magnetic
15.1 Magnetic Characteristics
15.1.1 Specific Gravity
15.1.2 Magnetic Ordering
15.1.3 Permeability
15.1.4 Susceptibility
15.2 Electrical Properties
15.2.1 Electrical Property
15.2.2 Resistivity
1.2.4 Electrical Conductivity
NA0.21 106/cm Ω
0.00666
0.63
1.2.6 Electron Affinity
2 Thermal
2.1 Specific Heat
2.2 Molar Heat Capacity
NA28.23 J/mol·K
16.443
62.7
2.3 Thermal Conductivity
2.4 Critical Temperature
2.5 Thermal Expansion
2.6 Enthalpy
2.6.1 Enthalpy of Vaporization
NA89.04 kJ/mol
7.32
799.1
2.6.2 Enthalpy of Fusion
2.6.3 Enthalpy of Atomization
2.7 Standard Molar Entropy
NA51.30 J/mol.K
9.5
198.1