Symbol
Mt
Group Number
9
Rank: 9 (Overall)
0
17
👆🏻
Period Number
7
Rank: 1 (Overall)
2
7
👆🏻
Block
d block
Element Family
Probably Transition
CAS Number
54038016
Rank: 10 (Overall)
7429905
54386242
👆🏻
Space Group Name
-
Space Group Number
166.00
Rank: 9 (Overall)
11
276
👆🏻
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 %
Rank: 40 (Overall)
0
0.11
👆🏻
Abundance In Sun
-
0
0.1
👆🏻
Abundance In Meteorites
0.00 %
Rank: 54 (Overall)
0
22
👆🏻
Abundance In Earth's Crust
-
1E-37
8.1
👆🏻
Abundance In Oceans
-
0
1.1
👆🏻
Abundance In Humans
-
0
1.4
👆🏻
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 - Synthetic Metals Metals has it !
In Blood
0.00 Blood/mg dm-3
Rank: 40 (Overall)
0
1970
👆🏻
In Bone
0.00 p.p.m.
Rank: 41 (Overall)
0
170000
👆🏻
Melting Point
-
-38.83
3410
👆🏻
Boiling Point
0.00 °C
Rank: 82 (Overall)
0
5660
👆🏻
Appearance
Physical State
Solid
Color
-
Luster
Unknown Luster
Hardness
Mohs Hardness
-
0.2
8.5
👆🏻
Brinell Hardness
400.00 MPa
Rank: 34 (Overall)
0.14
3490
👆🏻
Vickers Hardness
350.00 MPa
Rank: 43 (Overall)
0
3920
👆🏻
Speed of Sound
3,200.00 m/s
Rank: 35 (Overall)
818
16200
👆🏻
Optical Properties
Refractive Index
1.30
Rank: 43 (Overall)
0.155
3.41
👆🏻
Reflectivity
68.00 %
Rank: 15 (Overall)
5
97
👆🏻
Allotropes
✔
✘
No - Synthetic Metals Metals has it !
α Allotropes
-
β Allotropes
-
γ Allotropes
-
Chemical Formula
Mt
Isotopes
Known Isotopes
4
Rank: 33 (Overall)
0
38
👆🏻
Electronegativity
Pauling Electronegativity
1.30
Rank: 33 (Overall)
0
2.6
👆🏻
Sanderson Electronegativity
1.90
Rank: 13 (Overall)
0.22
2.56
👆🏻
Allred Rochow Electronegativity
1.30
Rank: 25 (Overall)
0.86
1.9
👆🏻
Mulliken-Jaffe Electronegativity
1.30
Rank: 33 (Overall)
0.62
2.48
👆🏻
Allen Electronegativity
1.30
Rank: 40 (Overall)
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
2.00
Rank: 47 (Overall)
1.46
3.3
👆🏻
Ionization Energies
1st Energy Level
800.80 kJ/mol
Rank: 15 (Overall)
375.7
26130
👆🏻
2nd Energy Level
1,823.60 kJ/mol
Rank: 18 (Overall)
392.8
28750
👆🏻
3rd Energy Level
2,904.20 kJ/mol
Rank: 31 (Overall)
392.8
34230
👆🏻
4th Energy Level
3,859.40 kJ/mol
Rank: 53 (Overall)
375.7
37066
👆🏻
5th Energy Level
4,920.80 kJ/mol
Rank: 77 (Overall)
392
97510
👆🏻
6th Energy Level
8,000.00 kJ/mol
Rank: 34 (Overall)
1007
105800
👆🏻
7th Energy level
8,000.00 kJ/mol
Rank: 28 (Overall)
1007
114300
👆🏻
8th Energy Level
8,000.00 kJ/mol
Rank: 28 (Overall)
730
125300
👆🏻
9th Energy Level
6,700.00 kJ/mol
Rank: 36 (Overall)
1007
134700
👆🏻
10th Energy Level
5,800.00 kJ/mol
Rank: 58 (Overall)
392
144300
👆🏻
11th Energy Level
6,300.00 kJ/mol
Rank: 46 (Overall)
392
169988
👆🏻
12th Energy Level
0.00 kJ/mol
Rank: 90 (Overall)
0
189368
👆🏻
13th Energy Level
8,000.00 kJ/mol
Rank: 20 (Overall)
1007
76015
👆🏻
14th Energy Level
1,156.00 kJ/mol
Rank: 64 (Overall)
380
86450
👆🏻
15th Energy Level
80,000.00 kJ/mol
Rank: 17 (Overall)
33000
100700
👆🏻
16th Energy Level
58,700.00 kJ/mol
Rank: 39 (Overall)
375.7
109480
👆🏻
17th Energy Level
1,110.00 kJ/mol
Rank: 20 (Overall)
375.7
122200
👆🏻
18th Energy Level
8,000.00 kJ/mol
Rank: 23 (Overall)
0
134810
👆🏻
19th Energy Level
1,110.00 kJ/mol
Rank: 17 (Overall)
375.7
148700
👆🏻
20th Energy Level
850.00 kJ/mol
Rank: 18 (Overall)
0
171200
👆🏻
21st Energy Level
800.00 kJ/mol
Rank: 42 (Overall)
375.7
179100
👆🏻
22nd Energy Level
380.00 kJ/mol
Rank: 77 (Overall)
330
184900
👆🏻
23rd Energy Level
8,000.00 kJ/mol
Rank: 9 (Overall)
357.6
198800
👆🏻
24th Energy Level
565.60 kJ/mol
Rank: 62 (Overall)
297.3
195200
👆🏻
25th Energy Level
800.00 kJ/mol
Rank: 13 (Overall)
0
121900
👆🏻
26th Energy Level
800.00 kJ/mol
Rank: 13 (Overall)
357.6
127700
👆🏻
27th Energy Level
800.00 kJ/mol
Rank: 12 (Overall)
0
133800
👆🏻
28th Energy Level
800.00 kJ/mol
Rank: 18 (Overall)
297.3
139800
👆🏻
29th Energy Level
800.00 kJ/mol
Rank: 18 (Overall)
0
148100
👆🏻
30th Energy Level
800.00 kJ/mol
Rank: 13 (Overall)
0
154500
👆🏻
Electrochemical Equivalent
3.00 g/amp-hr
Rank: 21 (Overall)
0.16812
8.3209
👆🏻
Electron Work Function
4.90 eV
Rank: 12 (Overall)
2.14
6
👆🏻
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Atomic Number
109
Rank: 9 (Overall)
3
117
👆🏻
Electron Configuration
[Rn] 5f14 6d7 7s2
Crystal Structure
Face Centered Cubic (FCC)
Crystal Lattice
Atom
Number of Protons
109
Rank: 9 (Overall)
3
117
👆🏻
Number of Neutrons
157
Rank: 8 (Overall)
4
285
👆🏻
Number of Electrons
109
Rank: 9 (Overall)
3
117
👆🏻
Radius of an Atom
Atomic Radius
122.00 pm
Rank: 52 (Overall)
0
348
👆🏻
Covalent Radius
129.00 pm
Rank: 51 (Overall)
0
260
👆🏻
Van der Waals Radius
260.00 pm
Rank: 9 (Overall)
0
348
👆🏻
Atomic Weight
278.00 amu
Rank: 7 (Overall)
6.94
294
👆🏻
Atomic Volume
20.20 cm3/mol
Rank: 30 (Overall)
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
31.20 (-eV)
Rank: 53 (Overall)
0
392.42
👆🏻
Lattice Constant
0.00 pm
Rank: 77 (Overall)
0
891.25
👆🏻
Lattice Angles
-
Lattice C/A Ratio
1.59
Rank: 27 (Overall)
0.423
1.9
👆🏻
Density
Density At Room Temperature
37.40 g/cm3
Rank: 2 (Overall)
0.534
40.7
👆🏻
Density When Liquid (at m.p.)
37.40 g/cm3
Rank: 2 (Overall)
0.512
41
👆🏻
Tensile Strength
80.00 MPa
Rank: 29 (Overall)
0.1
11000
👆🏻
Viscosity
0.00
Rank: 25 (Overall)
1.5E-05
0.0035
👆🏻
Vapor Pressure
Vapor Pressure at 1000 K
0.00 (Pa)
Rank: 37 (Overall)
0
121
👆🏻
Vapor Pressure at 2000 K
0.00 (Pa)
Rank: 37 (Overall)
0
774
👆🏻
Elasticity properties
Shear Modulus
35.00 GPa
Rank: 21 (Overall)
1.3
222
👆🏻
Bulk Modulus
0.00 GPa
Rank: 67 (Overall)
0
462
👆🏻
Young's Modulus
13.50 GPa
Rank: 55 (Overall)
0
528
👆🏻
Poisson Ratio
0.25
Rank: 24 (Overall)
0.032
0.47
👆🏻
Other Mechanical Properties
-
Magnetic Characteristics
Specific Gravity
37.40
Rank: 4 (Overall)
0.53
4500
👆🏻
Magnetic Ordering
Paramagnetic
Permeability
0.00 H/m
Rank: 12 (Overall)
1.25643E-06
0.0063
👆🏻
Susceptibility
0.00
Rank: 24 (Overall)
-0.000166
200000
👆🏻
Electrical Properties
Electrical Property
-
Resistivity
0.35 nΩ·m
Rank: 84 (Overall)
0.1
961
👆🏻
Electrical Conductivity
0.00 106/cm Ω
Rank: 71 (Overall)
0
0.63
👆🏻
Electron Affinity
50.00 kJ/mol
Rank: 26 (Overall)
0
222.8
👆🏻
Specific Heat
0.10 J/(kg K)
Rank: 44 (Overall)
0.1
3.6
👆🏻
Molar Heat Capacity
27.00 J/mol·K
Rank: 29 (Overall)
13.1
62.7
👆🏻
Thermal Conductivity
0.00 W/m·K
Rank: 80 (Overall)
0
429
👆🏻
Critical Temperature
1,323.00 K
Rank: 47 (Overall)
26.3
3695
👆🏻
Thermal Expansion
10.30 µm/(m·K)
Rank: 51 (Overall)
4.5
97
👆🏻
Enthalpy
Enthalpy of Vaporization
110.00 kJ/mol
Rank: 78 (Overall)
7.32
799.1
👆🏻
Enthalpy of Fusion
-
2.1
35.23
👆🏻
Enthalpy of Atomization
350.20 kJ/mol
Rank: 37 (Overall)
61.5
837
👆🏻
Standard Molar Entropy
63.80 J/mol.K
Rank: 22 (Overall)
9.5
198.1
👆🏻