1 Periodic Table
1.1 Symbol
1.3 Group Number
1.8 Period Number
1.16 Block
2.2 Element Family
Actinide
Transition Metal
2.3 CAS Number
74401117440202
7429905
54386242
4.7 Space Group Name
4.8 Space Group Number
5 Facts
5.1 Interesting Facts
- Mendelevium metal is synthetically produced metal.
- Mendelevium metal has been produced in only trace amount.
- Scandium is known as one of the rare earth elements.
- Scandium metal found in rare minerals called Wolframite .
5.2 Sources
Bombarding Einsteinium with Helium Ions
Found in Minerals, Mining, Ores of metals, Ores of Minerals
5.3 History
5.3.1 Who Discovered
Lawrence Berkeley National Laboratory
Lars Fredrik Nilson
5.3.2 Discovery
5.4 Abundance
5.4.1 Abundance In Universe
5.5.4 Abundance In Sun
~-9999 %~0.000004 %
1E-08
0.1
5.6.3 Abundance In Meteorites
5.8.2 Abundance In Earth's Crust
6.2.5 Abundance In Oceans
7.3.3 Abundance In Humans
9 Uses
9.1 Uses & Benefits
- Currently known uses of Mendelevium metal are limited to research purpose only.
- Uses of Scandium are limited to research purpose only. However, it has very low density and higher melting point.
-
Its compounds like scandium iodide is used in mercury vapor lamps to produce very bright white light.
9.1.1 Industrial Uses
NA
Electrical Industry, Electronic Industry
9.1.2 Medical Uses
9.1.3 Other Uses
9.2 Biological Properties
9.2.1 Toxicity
9.2.2 Present in Human Body
9.3.1 In Blood
0.00 Blood/mg dm-30.01 Blood/mg dm-3
0
1970
9.4.1 In Bone
0.00 p.p.m.0.00 p.p.m.
0
170000
10 Physical
10.1 Melting Point
827.00 °C1,539.00 °C
27
3410
10.7 Boiling Point
10.10 Appearance
10.10.1 Physical State
10.10.2 Color
10.10.3 Luster
10.11 Hardness
10.11.1 Mohs Hardness
10.12.5 Brinell Hardness
10.13.1 Vickers Hardness
1.2 Speed of Sound
1.7 Optical Properties
1.7.1 Refractive Index
2.3.1 Reflectivity
2.5 Allotropes
2.5.2 α Allotropes
Not Available
Not Available
2.5.3 β Allotropes
Not Available
Not Available
2.5.5 γ Allotropes
Not Available
Not Available
3 Chemical
3.1 Chemical Formula
3.3 Isotopes
3.3.1 Known Isotopes
3.5 Electronegativity
3.5.1 Pauling Electronegativity
3.5.4 Sanderson Electronegativity
3.5.7 Allred Rochow Electronegativity
3.6.3 Mulliken-Jaffe Electronegativity
3.8.3 Allen Electronegativity
3.11 Electropositivity
3.11.1 Pauling Electropositivity
3.12 Ionization Energies
3.12.1 1st Energy Level
635.00 kJ/mol633.10 kJ/mol
375.7
26130
3.12.4 2nd Energy Level
1,235.00 kJ/mol1,235.00 kJ/mol
710.2162
28750
3.12.5 3rd Energy Level
2,470.00 kJ/mol2,388.60 kJ/mol
1600
34230
1.1.1 4th Energy Level
3,840.00 kJ/mol7,090.60 kJ/mol
2780
37066
1.3.1 5th Energy Level
NA8,843.00 kJ/mol
4305.2
97510
1.4.1 6th Energy Level
NA10,679.00 kJ/mol
5715.8
105800
1.6.2 7th Energy level
NA13,310.00 kJ/mol
7226.8
114300
1.9.2 8th Energy Level
NA15,250.00 kJ/mol
8857.4
125300
1.11.1 9th Energy Level
NA17,370.00 kJ/mol
14110
134700
1.12.1 10th Energy Level
NA21,726.00 kJ/mol
17100
144300
1.2.2 11th Energy Level
NA24,102.00 kJ/mol
19900
169988
1.5.2 12th Energy Level
NA66,320.00 kJ/mol
22219
189368
1.6.4 13th Energy Level
NA73,010.00 kJ/mol
26930
76015
1.8.6 14th Energy Level
NA80,160.00 kJ/mol
29196
86450
1.4.2 15th Energy Level
NA89,490.00 kJ/mol
41987
97510
2.2.4 16th Energy Level
NA97,400.00 kJ/mol
47206
109480
2.3.1 17th Energy Level
NA105,600.00 kJ/mol
52737
122200
2.4.2 18th Energy Level
NA117,000.00 kJ/mol
58570
134810
3.4.2 19th Energy Level
NA124,270.00 kJ/mol
64702
148700
3.5.1 20th Energy Level
3.7.5 21st Energy Level
3.7.8 22nd Energy Level
4.4.2 23rd Energy Level
4.5.3 24th Energy Level
4.5.8 25th Energy Level
4.6.4 26th Energy Level
4.6.9 27th Energy Level
4.6.11 28th Energy Level
4.7.4 29th Energy Level
4.8.1 30th Energy Level
4.10 Electrochemical Equivalent
3.21 g/amp-hr0.56 g/amp-hr
0.16812
8.3209
5.3 Electron Work Function
7.6 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility
8 Atomic
8.1 Atomic Number
9.2 Electron Configuration
[Rn] 5f13 7s2
[Ar] 3d1 4s2
9.3 Crystal Structure
Not Known
Hexagonal Close Packed (HCP)
9.3.2 Crystal Lattice
9.4 Atom
9.4.1 Number of Protons
10.1.4 Number of Neutrons
10.6.2 Number of Electrons
10.9 Radius of an Atom
10.9.1 Atomic Radius
10.10.2 Covalent Radius
10.12.2 Van der Waals Radius
246.00 pm211.00 pm
139
348
10.13 Atomic Weight
258.00 amu44.96 amu
6.94
294
10.16 Atomic Volume
NA15.00 cm3/mol
1.39
71.07
10.21 Adjacent Atomic Numbers
10.21.1 Previous Element
10.21.2 Next Element
10.22 Valence Electron Potential
10.26 Lattice Constant
NA330.90 pm
228.58
891.25
13.2 Lattice Angles
13.3 Lattice C/A Ratio
14 Mechanical
14.1 Density
14.1.1 Density At Room Temperature
15.2.4 Density When Liquid (at m.p.)
15.5 Tensile Strength
15.7 Viscosity
15.9 Vapor Pressure
15.9.1 Vapor Pressure at 1000 K
15.10.2 Vapor Pressure at 2000 K
NA91.30 (Pa)
2.62E-10
774
15.12 Elasticity properties
15.12.1 Shear Modulus
15.17.2 Bulk Modulus
15.17.7 Young's Modulus
15.21 Poisson Ratio
16.2 Other Mechanical Properties
17 Magnetic
17.1 Magnetic Characteristics
17.1.1 Specific Gravity
17.1.8 Magnetic Ordering
17.1.9 Permeability
17.2.5 Susceptibility
17.5 Electrical Properties
17.5.1 Electrical Property
17.5.2 Resistivity
17.6.2 Electrical Conductivity
NA0.02 106/cm Ω
0.00666
0.63
18.1.2 Electron Affinity
20 Thermal
20.1 Specific Heat
20.4 Molar Heat Capacity
NA25.52 J/mol·K
16.443
62.7
20.6 Thermal Conductivity
1.3 Critical Temperature
1.7 Thermal Expansion
1.10 Enthalpy
1.10.1 Enthalpy of Vaporization
NA314.20 kJ/mol
7.32
799.1
1.12.3 Enthalpy of Fusion
2.3.1 Enthalpy of Atomization
2.9 Standard Molar Entropy
NA34.60 J/mol.K
9.5
198.1