Symbol
Mt
  
K
  
Period Number
7
  
4
  
Block
d block
  
s block
  
Element Family
Probably Transition
  
Alkali
  
Space Group Name
Not Available
  
Im_ 3m
  
Space Group Number
Not Available
  
Interesting Facts
Not Available
  
- In the list of most abundant element Potassium is ranked 7th.
- Potassium can easily be sliced (chopped) down using knife.
  
Sources
Bombarding Bi209 with Accelerated Nuclei of Fe58, Synthetically Produced
  
Found in Minerals, Mining
  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung
  
Humphry Davy
  
Discovery
In 1982
  
In 1807
  
Abundance
  
  
Abundance In Universe
Not Available
  
Abundance In Sun
~-9999 %
  
Abundance In Meteorites
Not Available
  
Abundance In Earth's Crust
Not Available
  
Abundance In Oceans
Not Available
  
Abundance In Humans
Not Available
  
Uses & Benefits
- Currently known uses of Meitnerium metal are limited to research purpose only.
  
- Potassium’s compounds are in high demand for their application in Fertilizer manufacturing.
- Potassium carbonate is used in glass manufacturing and Potassium carbonate in manufacturing detergent and body wash.
  
Industrial Uses
NA
  
Ammunition Industry, Chemical Industry
  
Medical Uses
NA
  
Pharmaceutical Industry
  
Other Uses
NA
  
NA
  
Biological Properties
  
  
Toxicity
Unknown
  
Toxic
  
Present in Human Body
No
  
Yes
  
In Blood
0.00 Blood/mg dm-3
  
37
1,620.00 Blood/mg dm-3
  
2
In Bone
0.00 p.p.m.
  
36
2,100.00 p.p.m.
  
3
Melting Point
Not Available
  
Boiling Point
Not Available
  
Appearance
  
  
Physical State
Solid
  
Solid
  
Color
Unknown
  
Silvery Gray
  
Luster
Unknown Luster
  
NA
  
Hardness
  
  
Mohs Hardness
Not Available
  
Brinell Hardness
Not Available
  
Speed of Sound
Not Available
  
2,000.00 m/s
  
99+
Optical Properties
  
  
Allotropes
No
  
No
  
α Allotropes
Not Available
  
Not Available
  
β Allotropes
Not Available
  
Not Available
  
γ Allotropes
Not Available
  
Not Available
  
Chemical Formula
Mt
  
K
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Not Available
  
Sanderson Electronegativity
Not Available
  
Allred Rochow Electronegativity
Not Available
  
Mulliken-Jaffe Electronegativity
Not Available
  
Allen Electronegativity
Not Available
  
Electropositivity
  
  
Pauling Electropositivity
Not Available
  
Ionization Energies
  
  
1st Energy Level
800.80 kJ/mol
  
15
418.80 kJ/mol
  
99+
2nd Energy Level
1,823.60 kJ/mol
  
17
3,052.00 kJ/mol
  
5
3rd Energy Level
2,904.20 kJ/mol
  
31
4,420.00 kJ/mol
  
8
4th Energy Level
3,859.40 kJ/mol
  
99+
5,877.00 kJ/mol
  
9
5th Energy Level
4,920.80 kJ/mol
  
35
7,975.00 kJ/mol
  
8
6th Energy Level
Not Available
  
9,590.00 kJ/mol
  
13
7th Energy level
Not Available
  
11,343.00 kJ/mol
  
17
8th Energy Level
Not Available
  
14,944.00 kJ/mol
  
13
9th Energy Level
Not Available
  
16,963.70 kJ/mol
  
15
10th Energy Level
Not Available
  
48,610.00 kJ/mol
  
3
11th Energy Level
Not Available
  
54,490.00 kJ/mol
  
4
12th Energy Level
Not Available
  
60,730.00 kJ/mol
  
4
13th Energy Level
Not Available
  
68,950.00 kJ/mol
  
4
14th Energy Level
Not Available
  
75,900.00 kJ/mol
  
5
15th Energy Level
Not Available
  
83,080.00 kJ/mol
  
6
16th Energy Level
Not Available
  
93,400.00 kJ/mol
  
7
17th Energy Level
Not Available
  
99,710.00 kJ/mol
  
8
Electrochemical Equivalent
Not Available
  
1.46 g/amp-hr
  
99+
Electron Work Function
Not Available
  
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
  
Chemical Stability, Flammability, Ionization, Solubility
  
Electron Configuration
[Rn] 5f14 6d7 7s2
  
[Ar] 4s1
  
Crystal Structure
Face Centered Cubic (FCC)
  
Body Centered Cubic (BCC)
  
Crystal Lattice
FCC-Crystal-Structure-of-Meitnerium.jpg#100
  
BCC-Crystal-Structure-.jpg#100
  
Atom
  
  
Radius of an Atom
  
  
Van der Waals Radius
Not Available
  
Atomic Volume
Not Available
  
45.46 cm3/mol
  
3
Adjacent Atomic Numbers
  
  
Valence Electron Potential
Not Available
  
10.40 (-eV)
  
99+
Lattice Constant
Not Available
  
Lattice Angles
NA
  
π/2, π/2, π/2
  
Lattice C/A Ratio
Not Available
  
Not Available
  
Density
  
  
Density At Room Temperature
0.86 g/cm3
  
99+
Density When Liquid (at m.p.)
Not Available
  
0.83 g/cm3
  
99+
Tensile Strength
Not Available
  
Not Available
  
Viscosity
Not Available
  
Not Available
  
Vapor Pressure
  
  
Elasticity properties
  
  
Shear Modulus
Not Available
  
Bulk Modulus
Not Available
  
Young's Modulus
Not Available
  
Poisson Ratio
Not Available
  
Not Available
  
Other Mechanical Properties
NA
  
NA
  
Magnetic Characteristics
  
  
Specific Gravity
Not Available
  
Magnetic Ordering
Paramagnetic
  
Paramagnetic
  
Electrical Properties
  
  
Electrical Property
Unknown
  
Conductor
  
Resistivity
Not Available
  
Electrical Conductivity
Not Available
  
0.14 10
6/cm Ω
  
14
Electron Affinity
Not Available
  
48.40 kJ/mol
  
22
Specific Heat
Not Available
  
0.75 J/(kg K)
  
6
Molar Heat Capacity
Not Available
  
29.60 J/mol·K
  
6
Thermal Conductivity
Not Available
  
102.50 W/m·K
  
15
Critical Temperature
Not Available
  
Thermal Expansion
Not Available
  
83.30 µm/(m·K)
  
3
Enthalpy
  
  
Enthalpy of Vaporization
Not Available
  
77.50 kJ/mol
  
99+
Enthalpy of Fusion
Not Available
  
2.32 kJ/mol
  
99+
Enthalpy of Atomization
Not Available
  
89.50 kJ/mol
  
99+
Standard Molar Entropy
Not Available
  
64.70 J/mol.K
  
18