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Mt Element
Meitnerium


Periodic Table
Symbol
Mt
Group Number
9 9
Period Number
7 1
Block
d block
Element Family
Probably Transition
CAS Number
54038016 10
Space Group Name
-
Space Group Number
166.00 9
Facts
Interesting Facts
Meitnerium is named after Lise Meitner, an Austrian physicist.
Sources
Bombarding Bi209 with Accelerated Nuclei of Fe58, Synthetically Produced
History
Who Discovered
Gesellschaft für Schwerionenforschung
Discovery
In 1982
Abundance
Abundance In Universe
0.00 % 40
Abundance In Sun
-
Abundance In Meteorites
0.00 % 54
Abundance In Earth's Crust
-
Abundance In Oceans
-
Abundance In Humans
-
Uses
Uses & Benefits
  • Currently known uses of Meitnerium metal are limited to research purpose only.
Industrial Uses
-
Medical Uses
-
Other Uses
-
Biological Properties
Toxicity
-
Present in Human Body
No
In Blood
0.00 Blood/mg dm-3 40
In Bone
0.00 p.p.m. 41
Physical
Melting Point
-
Boiling Point
0.00 °C 82
Appearance
Physical State
Solid
Color
-
Luster
Unknown Luster
Hardness
Mohs Hardness
-
Brinell Hardness
400.00 MPa 34
Vickers Hardness
350.00 MPa 43
Speed of Sound
3,200.00 m/s 35
Optical Properties
Refractive Index
1.30 43
Reflectivity
68.00 % 15
Allotropes
No
α Allotropes
-
β Allotropes
-
γ Allotropes
-
Chemical
Chemical Formula
Mt
Isotopes
Known Isotopes
4 33
Electronegativity
Pauling Electronegativity
1.30 33
Sanderson Electronegativity
1.90 13
Allred Rochow Electronegativity
1.30 25
Mulliken-Jaffe Electronegativity
1.30 33
Allen Electronegativity
1.30 40
Electropositivity
Pauling Electropositivity
2.00 47
Ionization Energies
1st Energy Level
800.80 kJ/mol 15
2nd Energy Level
1,823.60 kJ/mol 18
3rd Energy Level
2,904.20 kJ/mol 31
4th Energy Level
3,859.40 kJ/mol 53
5th Energy Level
4,920.80 kJ/mol 77
6th Energy Level
8,000.00 kJ/mol 34
7th Energy level
8,000.00 kJ/mol 28
8th Energy Level
8,000.00 kJ/mol 28
9th Energy Level
6,700.00 kJ/mol 36
10th Energy Level
5,800.00 kJ/mol 58
11th Energy Level
6,300.00 kJ/mol 46
12th Energy Level
0.00 kJ/mol 90
13th Energy Level
8,000.00 kJ/mol 20
14th Energy Level
1,156.00 kJ/mol 64
15th Energy Level
80,000.00 kJ/mol 17
16th Energy Level
58,700.00 kJ/mol 39
17th Energy Level
1,110.00 kJ/mol 20
18th Energy Level
8,000.00 kJ/mol 23
19th Energy Level
1,110.00 kJ/mol 17
20th Energy Level
850.00 kJ/mol 18
21st Energy Level
800.00 kJ/mol 42
22nd Energy Level
380.00 kJ/mol 77
23rd Energy Level
8,000.00 kJ/mol 9
24th Energy Level
565.60 kJ/mol 62
25th Energy Level
800.00 kJ/mol 13
26th Energy Level
800.00 kJ/mol 13
27th Energy Level
800.00 kJ/mol 12
28th Energy Level
800.00 kJ/mol 18
29th Energy Level
800.00 kJ/mol 18
30th Energy Level
800.00 kJ/mol 13
Electrochemical Equivalent
3.00 g/amp-hr 21
Electron Work Function
4.90 eV 12
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Atomic
Atomic Number
109 9
Electron Configuration
[Rn] 5f14 6d7 7s2
Crystal Structure
Face Centered Cubic (FCC)
Crystal Lattice
FCC-Crystal-Structure-of-Meitnerium.jpg#100
Atom
Number of Protons
109 9
Number of Neutrons
157 8
Number of Electrons
109 9
Radius of an Atom
Atomic Radius
122.00 pm 52
Covalent Radius
129.00 pm 51
Van der Waals Radius
260.00 pm 9
Atomic Weight
278.00 amu 7
Atomic Volume
20.20 cm3/mol 30
Adjacent Atomic Numbers
Previous Element
67
Next Element
90
Valence Electron Potential
31.20 (-eV) 53
Lattice Constant
0.00 pm 77
Lattice Angles
-
Lattice C/A Ratio
1.59 27
Mechanical
Density
Density At Room Temperature
37.40 g/cm3 2
Density When Liquid (at m.p.)
37.40 g/cm3 2
Tensile Strength
80.00 MPa 29
Viscosity
0.00 25
Vapor Pressure
Vapor Pressure at 1000 K
0.00 (Pa) 37
Vapor Pressure at 2000 K
0.00 (Pa) 37
Elasticity properties
Shear Modulus
35.00 GPa 21
Bulk Modulus
0.00 GPa 67
Young's Modulus
13.50 GPa 55
Poisson Ratio
0.25 24
Other Mechanical Properties
-
Magnetic
Magnetic Characteristics
Specific Gravity
37.40 4
Magnetic Ordering
Paramagnetic
Permeability
0.00 H/m 12
Susceptibility
0.00 24
Electrical Properties
Electrical Property
-
Resistivity
0.35 nΩ·m 84
Electrical Conductivity
0.00 106/cm Ω 71
Electron Affinity
50.00 kJ/mol 26
Thermal
Specific Heat
0.10 J/(kg K) 44
Molar Heat Capacity
27.00 J/mol·K 29
Thermal Conductivity
0.00 W/m·K 80
Critical Temperature
1,323.00 K 47
Thermal Expansion
10.30 µm/(m·K) 51
Enthalpy
Enthalpy of Vaporization
110.00 kJ/mol 78
Enthalpy of Fusion
-
Enthalpy of Atomization
350.20 kJ/mol 37
Standard Molar Entropy
63.80 J/mol.K 22
Summary >>
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