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Potassium vs Hassium

Potassium
Hassium
Hassium vs Potassium


Periodic Table
Symbol
K  
Hs  
Group Number
1  
17
8  
10
Period Number
4  
7  
Block
s block  
d block  
Element Family
Alkali  
Transition Metal  
CAS Number
7440097  
99+
54037579  
11
Space Group Name
Im_ 3m  
-  
Space Group Number
229.00  
2
166.00  
9
Facts
Interesting Facts
  • In the list of most abundant element Potassium is ranked 7th.
  • Potassium can easily be sliced (chopped) down using knife.
  
  • Hassium metals rate of decay is very high.
  • Hassium metals 1st sample was synthesized through a nuclear reaction.
  
Sources
Found in Minerals, Mining  
Synthetically Produced  
History
  
  
Who Discovered
Humphry Davy  
Gesellschaft für Schwerionenforschung  
Discovery
In 1807  
In 1984  
Abundance
  
  
Abundance In Universe
0.00 %  
10
0.00 %  
40
Abundance In Sun
0.00 %  
9
-  
Abundance In Meteorites
0.07 %  
9
0.00 %  
99+
Abundance In Earth's Crust
1.50 %  
6
-  
Abundance In Oceans
0.04 %  
3
-  
Abundance In Humans
0.20 %  
3
-  
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 Hassium metal are limited to research purpose only.
  
Industrial Uses
Ammunition Industry, Chemical Industry  
-  
Medical Uses
Pharmaceutical Industry  
-  
Other Uses
-  
Research Purposes  
Biological Properties
  
  
Toxicity
Toxic  
-  
Present in Human Body
Yes  
No  
In Blood
1,620.00 Blood/mg dm-3  
2
0.00 Blood/mg dm-3  
40
In Bone
2,100.00 p.p.m.  
3
0.00 p.p.m.  
99+
Physical
Melting Point
63.65 °C  
99+
-  
Boiling Point
774.00 °C  
99+
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery Gray  
Silver  
Luster
-  
-  
Hardness
  
  
Mohs Hardness
0.40  
25
4.50  
10
Brinell Hardness
0.36 MPa  
99+
230.00 MPa  
99+
Vickers Hardness
100.00 MPa  
99+
2,450.00 MPa  
5
Speed of Sound
2,000.00 m/s  
99+
2,760.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.33  
99+
1.30  
99+
Reflectivity
72.00 %  
11
69.00 %  
14
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
K  
Hs  
Isotopes
  
  
Known Isotopes
20  
19
7  
31
Electronegativity
  
  
Pauling Electronegativity
0.82  
99+
2.20  
5
Sanderson Electronegativity
0.45  
99+
1.30  
25
Allred Rochow Electronegativity
0.91  
40
1.30  
25
Mulliken-Jaffe Electronegativity
0.73  
99+
1.30  
33
Allen Electronegativity
0.73  
99+
1.30  
40
Electropositivity
  
  
Pauling Electropositivity
3.18  
3
2.00  
99+
Ionization Energies
  
  
1st Energy Level
418.80 kJ/mol  
99+
733.30 kJ/mol  
26
2nd Energy Level
3,052.00 kJ/mol  
5
1,756.00 kJ/mol  
25
3rd Energy Level
4,420.00 kJ/mol  
8
2,827.00 kJ/mol  
37
4th Energy Level
5,877.00 kJ/mol  
18
3,637.50 kJ/mol  
99+
5th Energy Level
7,975.00 kJ/mol  
14
4,940.00 kJ/mol  
99+
6th Energy Level
9,590.00 kJ/mol  
19
6,175.10 kJ/mol  
99+
7th Energy level
11,343.00 kJ/mol  
17
7,535.50 kJ/mol  
32
8th Energy Level
14,944.00 kJ/mol  
13
8,857.40 kJ/mol  
21
9th Energy Level
16,963.70 kJ/mol  
15
5,400.00 kJ/mol  
99+
10th Energy Level
48,610.00 kJ/mol  
3
6,100.00 kJ/mol  
99+
11th Energy Level
54,490.00 kJ/mol  
4
6,100.00 kJ/mol  
99+
12th Energy Level
60,730.00 kJ/mol  
15
3,500.00 kJ/mol  
99+
13th Energy Level
68,950.00 kJ/mol  
4
4,200.00 kJ/mol  
99+
14th Energy Level
75,900.00 kJ/mol  
5
1,124.00 kJ/mol  
99+
15th Energy Level
83,080.00 kJ/mol  
13
68,200.00 kJ/mol  
31
16th Energy Level
93,400.00 kJ/mol  
7
32,800.00 kJ/mol  
99+
17th Energy Level
99,710.00 kJ/mol  
8
1,089.00 kJ/mol  
22
18th Energy Level
4,196.00 kJ/mol  
99+
3,300.00 kJ/mol  
99+
19th Energy Level
419.20 kJ/mol  
99+
1,086.50 kJ/mol  
19
20th Energy Level
419.00 kJ/mol  
99+
880.00 kJ/mol  
14
21st Energy Level
419.20 kJ/mol  
99+
1,086.00 kJ/mol  
30
22nd Energy Level
419.00 kJ/mol  
99+
350.00 kJ/mol  
99+
23rd Energy Level
419.20 kJ/mol  
99+
1,120.00 kJ/mol  
34
24th Energy Level
419.20 kJ/mol  
99+
540.90 kJ/mol  
99+
25th Energy Level
419.20 kJ/mol  
99+
610.00 kJ/mol  
99+
26th Energy Level
419.20 kJ/mol  
99+
587.40 kJ/mol  
99+
27th Energy Level
419.20 kJ/mol  
99+
880.00 kJ/mol  
5
28th Energy Level
419.20 kJ/mol  
99+
840.00 kJ/mol  
14
29th Energy Level
419.20 kJ/mol  
99+
867.80 kJ/mol  
11
30th Energy Level
419.00 kJ/mol  
99+
0.00 kJ/mol  
99+
Electrochemical Equivalent
1.46 g/amp-hr  
99+
3.00 g/amp-hr  
21
Electron Work Function
2.30 eV  
99+
4.90 eV  
12
Other Chemical Properties
Chemical Stability, Flammability, Ionization, Solubility  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
19  
99+
108  
10
Electron Configuration
[Ar] 4s1  
[Rn] 5f14 6d6 7s2  
Crystal Structure
Body Centered Cubic (BCC)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
19  
99+
108  
10
Number of Neutrons
20  
99+
158  
7
Number of Electrons
19  
99+
108  
10
Radius of an Atom
  
  
Atomic Radius
227.00 pm  
4
126.00 pm  
99+
Covalent Radius
203.00 pm  
9
134.00 pm  
99+
Van der Waals Radius
275.00 pm  
7
0.00 pm  
99+
Atomic Weight
39.10 amu  
99+
269.00 amu  
9
Atomic Volume
45.46 cm3/mol  
4
22.70 cm3/mol  
18
Adjacent Atomic Numbers
  
  
Previous Element
Aluminium
  
Bohrium
  
Next Element
Calcium
  
Meitnerium
  
Valence Electron Potential
10.40 (-eV)  
99+
0.00 (-eV)  
99+
Lattice Constant
532.80 pm  
13
-  
Lattice Angles
π/2, π/2, π/2  
-  
Lattice C/A Ratio
1.69  
10
1.31  
99+
Mechanical
Density
  
  
Density At Room Temperature
0.86 g/cm3  
99+
40.70 g/cm3  
1
Density When Liquid (at m.p.)
0.83 g/cm3  
99+
41.00 g/cm3  
1
Tensile Strength
16.00 MPa  
99+
80.00 MPa  
29
Viscosity
0.00  
9
0.00  
27
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
16
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
34
0.00 (Pa)  
30
Elasticity properties
  
  
Shear Modulus
1.30 GPa  
99+
40.00 GPa  
19
Bulk Modulus
3.10 GPa  
99+
40.00 GPa  
38
Young's Modulus
3.53 GPa  
99+
40.00 GPa  
99+
Poisson Ratio
0.35  
9
0.34  
10
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
0.86  
99+
41.00  
2
Magnetic Ordering
Paramagnetic  
-  
Permeability
0.00 H/m  
13
0.00 H/m  
8
Susceptibility
0.00  
23
0.00  
25
Electrical Properties
  
  
Electrical Property
Conductor  
-  
Resistivity
72.00 nΩ·m  
37
41.00 nΩ·m  
99+
Electrical Conductivity
0.14 106/cm Ω  
16
0.00 106/cm Ω  
99+
Electron Affinity
48.40 kJ/mol  
27
63.20 kJ/mol  
19
Thermal
Specific Heat
0.75 J/(kg K)  
6
0.13 J/(kg K)  
99+
Molar Heat Capacity
29.60 J/mol·K  
8
25.92 J/mol·K  
99+
Thermal Conductivity
102.50 W/m·K  
15
0.00 W/m·K  
99+
Critical Temperature
2,223.00 K  
14
1,323.00 K  
99+
Thermal Expansion
83.30 µm/(m·K)  
3
21.20 µm/(m·K)  
23
Enthalpy
  
  
Enthalpy of Vaporization
77.50 kJ/mol  
99+
126.00 kJ/mol  
99+
Enthalpy of Fusion
2.32 kJ/mol  
99+
-  
Enthalpy of Atomization
89.50 kJ/mol  
99+
-  
Standard Molar Entropy
64.70 J/mol.K  
19
57.20 J/mol.K  
29
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