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Potassium vs Darmstadtium

Potassium
Darmstadtium
Darmstadtium vs Potassium


Periodic Table
Symbol
K   
Ds   
Group Number
1   
17
10   
8
Period Number
4   
7   
Block
s block   
d block   
Element Family
Alkali   
Probably Transition   
CAS Number
7440097   
99+
54083771   
8
Space Group Name
Im_ 3m   
Not Available   
Space Group Number
229.00   
1
Not Available   
Facts
Interesting Facts
  • In the list of most abundant element Potassium is ranked 7th.
  • Potassium can easily be sliced (chopped) down using knife.
  
Not Available   
Sources
Found in Minerals, Mining   
Synthetically Produced   
History
  
  
Who Discovered
Humphry Davy   
Gesellschaft für Schwerionenforschung   
Discovery
In 1807   
In 1994   
Abundance
  
  
Abundance In Universe
3 * 10-4 %   
9
Not Available   
Abundance In Sun
~0.0004 %   
9
~-9999 %   
Abundance In Meteorites
0.07 %   
9
Not Available   
Abundance In Earth's Crust
1.50 %   
6
Not Available   
Abundance In Oceans
0.04 %   
3
Not Available   
Abundance In Humans
0.20 %   
2
Not Available   
Uses
Uses & Benefits
  • 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.
  
  • Currently known uses of Darmstadtium metal are limited to research purpose only. As only few atoms of this metal are produced.
  
Industrial Uses
Ammunition Industry, Chemical Industry   
NA   
Medical Uses
Pharmaceutical Industry   
NA   
Other Uses
NA   
Research Purposes   
Biological Properties
  
  
Toxicity
Toxic   
Unknown   
Present in Human Body
Yes   
No   
In Blood
1,620.00 Blood/mg dm-3   
2
0.00 Blood/mg dm-3   
37
In Bone
2,100.00 p.p.m.   
3
0.00 p.p.m.   
36
Physical Properties
Melting Point
63.65 °C   
99+
Not Available   
Boiling Point
774.00 °C   
99+
Not Available   
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery Gray   
Unknown   
Luster
NA   
Unknown Luster   
Hardness
  
  
Mohs Hardness
0.40   
23
Not Available   
Brinell Hardness
0.36 MPa   
99+
Not Available   
Speed of Sound
2,000.00 m/s   
99+
5,090.00 m/s   
9
Optical Properties
  
  
Allotropes
No   
No   
α Allotropes
Not Available   
Not Available   
β Allotropes
Not Available   
Not Available   
γ Allotropes
Not Available   
Not Available   
Chemical Properties
Chemical Formula
K   
Ds   
Isotopes
  
  
Known Isotopes
20   
19
9   
29
Electronegativity
  
  
Pauling Electronegativity
0.82   
99+
Not Available   
Sanderson Electronegativity
0.45   
31
Not Available   
Allred Rochow Electronegativity
0.91   
39
Not Available   
Mulliken-Jaffe Electronegativity
0.73   
23
Not Available   
Allen Electronegativity
0.73   
99+
Not Available   
Electropositivity
  
  
Pauling Electropositivity
3.18   
3
Not Available   
Ionization Energies
  
  
1st Energy Level
418.80 kJ/mol   
99+
955.20 kJ/mol   
5
2nd Energy Level
3,052.00 kJ/mol   
5
1,891.10 kJ/mol   
16
3rd Energy Level
4,420.00 kJ/mol   
8
3,029.60 kJ/mol   
25
4th Energy Level
5,877.00 kJ/mol   
9
3,955.90 kJ/mol   
40
5th Energy Level
7,975.00 kJ/mol   
8
5,113.70 kJ/mol   
33
6th Energy Level
9,590.00 kJ/mol   
13
Not Available   
7th Energy level
11,343.00 kJ/mol   
17
Not Available   
8th Energy Level
14,944.00 kJ/mol   
13
Not Available   
9th Energy Level
16,963.70 kJ/mol   
15
Not Available   
10th Energy Level
48,610.00 kJ/mol   
3
Not Available   
11th Energy Level
54,490.00 kJ/mol   
4
Not Available   
12th Energy Level
60,730.00 kJ/mol   
4
Not Available   
13th Energy Level
68,950.00 kJ/mol   
4
Not Available   
14th Energy Level
75,900.00 kJ/mol   
5
Not Available   
15th Energy Level
83,080.00 kJ/mol   
6
Not Available   
16th Energy Level
93,400.00 kJ/mol   
7
Not Available   
17th Energy Level
99,710.00 kJ/mol   
8
Not Available   
Electrochemical Equivalent
1.46 g/amp-hr   
99+
Not Available   
Electron Work Function
2.30 eV   
99+
Not Available   
Other Chemical Properties
Chemical Stability, Flammability, Ionization, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   
Atomic Properties
Atomic Number
19   
99+
110   
8
Electron Configuration
[Ar] 4s1   
[Rn] 5f14 6d8 7s2   
Crystal Structure
Body Centered Cubic (BCC)   
Body Centered Cubic (BCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
19   
99+
110   
8
Number of Neutrons
20   
99+
161   
3
Number of Electrons
19   
99+
110   
8
Radius of an Atom
  
  
Atomic Radius
227.00 pm   
3
132.00 pm   
99+
Covalent Radius
203.00 pm   
9
128.00 pm   
99+
Van der Waals Radius
275.00 pm   
5
Not Available   
Atomic Weight
39.10 amu   
99+
281.00 amu   
6
Atomic Volume
45.46 cm3/mol   
3
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Aluminium
  
Meitnerium
  
Next Element
Calcium
  
Roentgenium
  
Valence Electron Potential
10.40 (-eV)   
99+
Not Available   
Lattice Constant
532.80 pm   
12
Not Available   
Lattice Angles
π/2, π/2, π/2   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
0.86 g/cm3   
99+
Not Available   
Density When Liquid (at m.p.)
0.83 g/cm3   
99+
Not Available   
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Elasticity properties
  
  
Shear Modulus
1.30 GPa   
99+
Not Available   
Bulk Modulus
3.10 GPa   
99+
Not Available   
Young's Modulus
3.53 GPa   
99+
Not Available   
Poisson Ratio
Not Available   
Not Available   
Other Mechanical Properties
NA   
Unknown   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
0.86   
99+
Not Available   
Magnetic Ordering
Paramagnetic   
Unknown   
Electrical Properties
  
  
Electrical Property
Conductor   
Unknown   
Resistivity
72.00 nΩ·m   
37
Not Available   
Electrical Conductivity
0.14 106/cm Ω   
14
Not Available   
Electron Affinity
48.40 kJ/mol   
22
Not Available   
Thermal Properties
Specific Heat
0.75 J/(kg K)   
6
Not Available   
Molar Heat Capacity
29.60 J/mol·K   
6
Not Available   
Thermal Conductivity
102.50 W/m·K   
15
Not Available   
Critical Temperature
2,223.00 K   
3
Not Available   
Thermal Expansion
83.30 µm/(m·K)   
3
Not Available   
Enthalpy
  
  
Enthalpy of Vaporization
77.50 kJ/mol   
99+
Not Available   
Enthalpy of Fusion
2.32 kJ/mol   
99+
Not Available   
Enthalpy of Atomization
89.50 kJ/mol   
99+
Not Available   
Standard Molar Entropy
64.70 J/mol.K   
18
Not Available   
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