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Potassium Uranium Comparison

Potassium
Uranium
Uranium Potassium comparison


Periodic Table
Symbol
K  
U  
Group Number
1  
17
0  
18
Period Number
4  
7  
Block
s block  
f block  
Element Family
Alkali  
Actinide  
CAS Number
7440097  
99+
7440611  
28
Space Group Name
Im_ 3m  
Cmcm  
Space Group Number
229.00  
2
63.00  
13
Facts
Interesting Facts
  • In the list of most abundant element Potassium is ranked 7th.
  • Potassium can easily be sliced (chopped) down using knife.
  
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
  
Sources
Found in Minerals, Mining  
Earth's crust, Mining, Ores of Minerals  
History
  
  
Who Discovered
Humphry Davy  
-  
Discovery
In 1807  
In 1789  
Abundance
  
  
Abundance In Universe
0.00 %  
10
0.00 %  
30
Abundance In Sun
0.00 %  
9
0.00 %  
26
Abundance In Meteorites
0.07 %  
9
0.00 %  
99+
Abundance In Earth's Crust
1.50 %  
6
0.00 %  
36
Abundance In Oceans
0.04 %  
3
0.00 %  
11
Abundance In Humans
0.20 %  
3
0.00 %  
24
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.
  
  • The main use of this metal include nuclear fuel which is used to generate electricity yin nuclear power stations.
  • Synthetic elements like transuranium are made from Uranium metal.
  
Industrial Uses
Ammunition Industry, Chemical Industry  
Ammunition Industry, Chemical Industry  
Medical Uses
Pharmaceutical Industry  
-  
Other Uses
-  
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues  
Biological Properties
  
  
Toxicity
Toxic  
Toxic  
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
1.20 p.p.m.  
19
Physical
Melting Point
63.65 °C  
99+
1,132.00 °C  
39
Boiling Point
774.00 °C  
99+
3,818.00 °C  
16
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery Gray  
Silvery Gray  
Luster
-  
Metallic  
Hardness
  
  
Mohs Hardness
0.40  
25
6.00  
6
Brinell Hardness
0.36 MPa  
99+
2,350.00 MPa  
2
Vickers Hardness
100.00 MPa  
99+
1,960.00 MPa  
6
Speed of Sound
2,000.00 m/s  
99+
3,155.00 m/s  
36
Optical Properties
  
  
Refractive Index
1.33  
99+
1.38  
40
Reflectivity
72.00 %  
11
80.00 %  
7
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
K  
U  
Isotopes
  
  
Known Isotopes
20  
19
25  
14
Electronegativity
  
  
Pauling Electronegativity
0.82  
99+
1.38  
29
Sanderson Electronegativity
0.45  
99+
1.38  
22
Allred Rochow Electronegativity
0.91  
40
1.22  
27
Mulliken-Jaffe Electronegativity
0.73  
99+
1.38  
29
Allen Electronegativity
0.73  
99+
1.38  
36
Electropositivity
  
  
Pauling Electropositivity
3.18  
3
2.62  
26
Ionization Energies
  
  
1st Energy Level
418.80 kJ/mol  
99+
597.60 kJ/mol  
99+
2nd Energy Level
3,052.00 kJ/mol  
5
1,420.00 kJ/mol  
99+
3rd Energy Level
4,420.00 kJ/mol  
8
1,900.00 kJ/mol  
99+
4th Energy Level
5,877.00 kJ/mol  
18
3,145.00 kJ/mol  
99+
5th Energy Level
7,975.00 kJ/mol  
14
5,976.00 kJ/mol  
99+
6th Energy Level
9,590.00 kJ/mol  
19
5,976.00 kJ/mol  
99+
7th Energy level
11,343.00 kJ/mol  
17
5,970.00 kJ/mol  
99+
8th Energy Level
14,944.00 kJ/mol  
13
5,976.00 kJ/mol  
99+
9th Energy Level
16,963.70 kJ/mol  
15
5,976.00 kJ/mol  
99+
10th Energy Level
48,610.00 kJ/mol  
3
5,976.00 kJ/mol  
99+
11th Energy Level
54,490.00 kJ/mol  
4
5,976.00 kJ/mol  
99+
12th Energy Level
60,730.00 kJ/mol  
15
5,970.00 kJ/mol  
99+
13th Energy Level
68,950.00 kJ/mol  
4
5,970.00 kJ/mol  
99+
14th Energy Level
75,900.00 kJ/mol  
5
5,970.00 kJ/mol  
34
15th Energy Level
83,080.00 kJ/mol  
13
59,700.00 kJ/mol  
99+
16th Energy Level
93,400.00 kJ/mol  
7
59,700.00 kJ/mol  
35
17th Energy Level
99,710.00 kJ/mol  
8
597.60 kJ/mol  
99+
18th Energy Level
4,196.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+
19th Energy Level
419.20 kJ/mol  
99+
597.60 kJ/mol  
99+
20th Energy Level
419.00 kJ/mol  
99+
597.00 kJ/mol  
99+
21st Energy Level
419.20 kJ/mol  
99+
597.60 kJ/mol  
99+
22nd Energy Level
419.00 kJ/mol  
99+
597.00 kJ/mol  
99+
23rd Energy Level
419.20 kJ/mol  
99+
597.60 kJ/mol  
99+
24th Energy Level
419.20 kJ/mol  
99+
597.60 kJ/mol  
99+
25th Energy Level
419.20 kJ/mol  
99+
597.60 kJ/mol  
99+
26th Energy Level
419.20 kJ/mol  
99+
597.60 kJ/mol  
99+
27th Energy Level
419.20 kJ/mol  
99+
597.60 kJ/mol  
99+
28th Energy Level
419.20 kJ/mol  
99+
597.60 kJ/mol  
99+
29th Energy Level
419.20 kJ/mol  
99+
597.60 kJ/mol  
99+
30th Energy Level
419.00 kJ/mol  
99+
597.60 kJ/mol  
99+
Electrochemical Equivalent
1.46 g/amp-hr  
99+
1.48 g/amp-hr  
99+
Electron Work Function
2.30 eV  
99+
3.63 eV  
99+
Other Chemical Properties
Chemical Stability, Flammability, Ionization, Solubility  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
19  
99+
92  
26
Electron Configuration
[Ar] 4s1  
[Rn] 5f3 6d1 7s2  
Crystal Structure
Body Centered Cubic (BCC)  
Orthorhombic (ORTH)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
ORTH-Crystal-Structure-of-Uranium.jpg#100  
Atom
  
  
Number of Protons
19  
99+
92  
26
Number of Neutrons
20  
99+
146  
14
Number of Electrons
19  
99+
92  
26
Radius of an Atom
  
  
Atomic Radius
227.00 pm  
4
156.00 pm  
31
Covalent Radius
203.00 pm  
9
196.00 pm  
14
Van der Waals Radius
275.00 pm  
7
186.00 pm  
40
Atomic Weight
39.10 amu  
99+
238.03 amu  
21
Atomic Volume
45.46 cm3/mol  
4
12.59 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Aluminium
  
Protactinium
  
Next Element
Calcium
  
Neptunium
  
Valence Electron Potential
10.40 (-eV)  
99+
170.00 (-eV)  
4
Lattice Constant
532.80 pm  
13
295.08 pm  
99+
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.69  
10
1.02  
99+
Mechanical
Density
  
  
Density At Room Temperature
0.86 g/cm3  
99+
19.10 g/cm3  
17
Density When Liquid (at m.p.)
0.83 g/cm3  
99+
17.30 g/cm3  
17
Tensile Strength
16.00 MPa  
99+
100.00 MPa  
28
Viscosity
0.00  
9
0.00  
21
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
16
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
34
0.01 (Pa)  
20
Elasticity properties
  
  
Shear Modulus
1.30 GPa  
99+
111.00 GPa  
10
Bulk Modulus
3.10 GPa  
99+
100.00 GPa  
16
Young's Modulus
3.53 GPa  
99+
208.00 GPa  
11
Poisson Ratio
0.35  
9
0.23  
30
Other Mechanical Properties
-  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
0.86  
99+
18.80  
19
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
13
0.00 H/m  
16
Susceptibility
0.00  
23
0.00  
24
Electrical Properties
  
  
Electrical Property
Conductor  
Poor Conductor  
Resistivity
72.00 nΩ·m  
37
0.28 nΩ·m  
99+
Electrical Conductivity
0.14 106/cm Ω  
16
0.04 106/cm Ω  
99+
Electron Affinity
48.40 kJ/mol  
27
50.60 kJ/mol  
25
Thermal
Specific Heat
0.75 J/(kg K)  
6
0.12 J/(kg K)  
99+
Molar Heat Capacity
29.60 J/mol·K  
8
27.67 J/mol·K  
18
Thermal Conductivity
102.50 W/m·K  
15
27.50 W/m·K  
99+
Critical Temperature
2,223.00 K  
14
1,405.00 K  
99+
Thermal Expansion
83.30 µm/(m·K)  
3
13.90 µm/(m·K)  
30
Enthalpy
  
  
Enthalpy of Vaporization
77.50 kJ/mol  
99+
477.00 kJ/mol  
18
Enthalpy of Fusion
2.32 kJ/mol  
99+
15.48 kJ/mol  
19
Enthalpy of Atomization
89.50 kJ/mol  
99+
489.50 kJ/mol  
18
Standard Molar Entropy
64.70 J/mol.K  
19
50.20 J/mol.K  
99+
Summary >>
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