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Potassium
Potassium

Vanadium
Vanadium



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Potassium
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Vanadium

Potassium Vanadium Comparison

1 Periodic Table
1.1 Symbol
K
V
1.2 Group Number
15
Gadolinium Metal
0 17
2.5 Period Number
44
Lithium Metal
2 7
2.7 Block
s block
d block
2.8 Element Family
Alkali
Transition Metal
2.9 CAS Number
74400977440622
Aluminium Metal
7429905 54386242
2.14 Space Group Name
Im_ 3m
Im_ 3m
2.15 Space Group Number
229.00229.00
Plutonium Metal
11 229
3 Facts
3.1 Interesting Facts
  • In the list of most abundant element Potassium is ranked 7th.
  • Potassium can easily be sliced (chopped) down using knife.
  • Vanadium is a highly reactive metal, hence it is not found free in nature.
  • Vanadium can be found in almost 65 different types of minerals.
3.2 Sources
Found in Minerals, Mining
Found As a By-product, Found in Minerals, Mining, Ores of Minerals
3.3 History
3.3.1 Who Discovered
Humphry Davy
Andrés Manuel del Río
3.3.2 Discovery
In 1807
In 1801
3.4 Abundance
3.4.1 Abundance In Universe
3 * 10-4 %1 * 10-4 %
Thallium Metal
5E-09 0.11
3.6.1 Abundance In Sun
~0.0004 %~0.00004 %
Beryllium Metal
1E-08 0.1
4.6.1 Abundance In Meteorites
0.07 %0.01 %
Gold Metal
1.7E-07 22
5.3.3 Abundance In Earth's Crust
1.50 %0.02 %
Radium Metal
9.9E-12 8.1
6.1.2 Abundance In Oceans
0.04 %0.00 %
Protactinium Metal
2E-23 1.1
6.3.3 Abundance In Humans
0.20 %0.00 %
Radium Metal
1E-13 1.4
7 Uses
7.1 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.
  • Its ally with steel is used very tough and hence it is used in armor plates, axles, piston rods, tools and crankshafts.
  • Its oxide is used as pigments for glass and ceramics.
7.1.1 Industrial Uses
Ammunition Industry, Chemical Industry
Aerospace Industry, Automobile Industry, Chemical Industry
7.1.2 Medical Uses
Pharmaceutical Industry
NA
7.1.3 Other Uses
NA
Alloys
7.2 Biological Properties
7.2.1 Toxicity
Toxic
Toxic
7.2.2 Present in Human Body
7.2.3 In Blood
1,620.00 Blood/mg dm-30.00 Blood/mg dm-3
Plutonium Metal
0 1970
8.2.5 In Bone
2,100.00 p.p.m.0.00 p.p.m.
Plutonium Metal
0 170000
10 Physical
10.1 Melting Point
63.65 °C1,890.00 °C
Francium Metal
27 3410
11.3 Boiling Point
774.00 °C3,380.00 °C
Flerovium Metal
147 5660
11.7 Appearance
11.7.1 Physical State
Solid
Solid
11.7.2 Color
Silvery Gray
Blue-Silver Grey
11.7.4 Luster
NA
Metallic
11.8 Hardness
11.8.1 Mohs Hardness
0.406.70
Cesium Metal
0.2 8.5
11.8.5 Brinell Hardness
0.36 MPa600.00 MPa
Cesium Metal
0.14 3490
11.8.7 Vickers Hardness
NA628.00 MPa
Palladium Metal
121 3430
11.11 Speed of Sound
2,000.00 m/s4,560.00 m/s
Thallium Metal
818 16200
11.13 Optical Properties
11.13.1 Refractive Index
NANA
Mercury Metal
1.000933 1.7229
11.13.3 Reflectivity
NA61.00 %
Molybdenum Metal
58 97
11.15 Allotropes
11.15.1 α Allotropes
Not Available
Not Available
11.15.2 β Allotropes
Not Available
Not Available
11.15.3 γ Allotropes
Not Available
Not Available
12 Chemical
12.1 Chemical Formula
K
V
12.2 Isotopes
12.2.1 Known Isotopes
2022
Tennessine Metal
0 38
12.3 Electronegativity
12.3.1 Pauling Electronegativity
0.821.63
Francium Metal
0.7 2.54
12.3.3 Sanderson Electronegativity
0.451.39
Cesium Metal
0.22 2.56
13.2.3 Allred Rochow Electronegativity
0.911.45
Cesium Metal
0.86 1.82
13.2.4 Mulliken-Jaffe Electronegativity
0.73NA
Cesium Metal
0.62 2.48
13.3.2 Allen Electronegativity
0.731.53
Cesium Metal
0.659 2.7
13.4 Electropositivity
13.4.1 Pauling Electropositivity
3.182.37
Gold Metal
1.46 3.3
13.5 Ionization Energies
13.5.1 1st Energy Level
418.80 kJ/mol650.90 kJ/mol
Cesium Metal
375.7 26130
13.5.4 2nd Energy Level
3,052.00 kJ/mol1,414.00 kJ/mol
Ruthenium Metal
710.2162 28750
13.5.6 3rd Energy Level
4,420.00 kJ/mol2,830.00 kJ/mol
Osmium Metal
1600 34230
13.5.9 4th Energy Level
5,877.00 kJ/mol4,507.00 kJ/mol
Thorium Metal
2780 37066
13.5.11 5th Energy Level
7,975.00 kJ/mol6,298.70 kJ/mol
Dubnium Metal
4305.2 97510
13.5.13 6th Energy Level
9,590.00 kJ/mol12,363.00 kJ/mol
Seaborgium Metal
5715.8 105800
13.5.15 7th Energy level
11,343.00 kJ/mol14,530.00 kJ/mol
Bohrium Metal
7226.8 114300
13.5.17 8th Energy Level
14,944.00 kJ/mol16,730.00 kJ/mol
Hassium Metal
8857.4 125300
13.5.20 9th Energy Level
16,963.70 kJ/mol19,860.00 kJ/mol
Yttrium Metal
14110 134700
13.5.21 10th Energy Level
48,610.00 kJ/mol22,240.00 kJ/mol
Strontium Metal
17100 144300
13.5.23 11th Energy Level
54,490.00 kJ/mol24,670.00 kJ/mol
Yttrium Metal
19900 169988
13.6.2 12th Energy Level
60,730.00 kJ/mol29,730.00 kJ/mol
Molybdenum Metal
22219 189368
13.6.4 13th Energy Level
68,950.00 kJ/mol32,446.00 kJ/mol
Molybdenum Metal
26930 76015
13.7.2 14th Energy Level
75,900.00 kJ/mol86,450.00 kJ/mol
Molybdenum Metal
29196 86450
13.7.4 15th Energy Level
83,080.00 kJ/mol94,170.00 kJ/mol
Manganese Metal
41987 97510
13.7.8 16th Energy Level
93,400.00 kJ/mol102,300.00 kJ/mol
Iron Metal
47206 109480
13.7.10 17th Energy Level
99,710.00 kJ/mol112,700.00 kJ/mol
Cobalt Metal
52737 122200
13.7.13 18th Energy Level
NA121,600.00 kJ/mol
Nickel Metal
58570 134810
13.7.16 19th Energy Level
NA130,700.00 kJ/mol
Copper Metal
64702 148700
13.7.20 20th Energy Level
NA143,400.00 kJ/mol
Molybdenum Metal
80400 171200
13.8.1 21st Energy Level
NA151,440.00 kJ/mol
Molybdenum Metal
87000 179100
13.9.1 22nd Energy Level
NANA
Molybdenum Metal
93400 184900
14.1.1 23rd Energy Level
NANA
Molybdenum Metal
98420 198800
14.1.3 24th Energy Level
NANA
Molybdenum Metal
104400 195200
14.4.3 25th Energy Level
NANA
Molybdenum Metal
121900 121900
14.4.6 26th Energy Level
NANA
Molybdenum Metal
127700 127700
14.4.9 27th Energy Level
NANA
Molybdenum Metal
133800 133800
14.5.3 28th Energy Level
NANA
Molybdenum Metal
139800 139800
14.5.6 29th Energy Level
NANA
Molybdenum Metal
148100 148100
14.6.1 30th Energy Level
NANA
Molybdenum Metal
154500 154500
14.8 Electrochemical Equivalent
1.46 g/amp-hr0.38 g/amp-hr
Beryllium Metal
0.16812 8.3209
14.12 Electron Work Function
2.30 eV4.30 eV
Cesium Metal
2.14 5.65
14.15 Other Chemical Properties
Chemical Stability, Flammability, Ionization, Solubility
Anti Corrosion, Ionization, Radioactive Isotopes
15 Atomic
15.1 Atomic Number
1923
Lithium Metal
3 117
16.2 Electron Configuration
[Ar] 4s1
[Ar] 3d3 4s2
16.3 Crystal Structure
Body Centered Cubic (BCC)
Body Centered Cubic (BCC)
16.3.1 Crystal Lattice
16.4 Atom
16.4.1 Number of Protons
1923
Lithium Metal
3 117
16.6.2 Number of Neutrons
2028
Lithium Metal
4 184
16.7.6 Number of Electrons
1923
Lithium Metal
3 117
16.10 Radius of an Atom
16.10.1 Atomic Radius
227.00 pm134.00 pm
Beryllium Metal
112 265
17.1.1 Covalent Radius
203.00 pm153.00 pm
Beryllium Metal
96 260
18.1.2 Van der Waals Radius
275.00 pm200.00 pm
Zinc Metal
139 348
18.2 Atomic Weight
39.10 amu50.94 amu
Lithium Metal
6.94 294
18.5 Atomic Volume
45.46 cm3/mol8.78 cm3/mol
Manganese Metal
1.39 71.07
18.6 Adjacent Atomic Numbers
18.6.1 Previous Element
18.6.2 Next Element
18.7 Valence Electron Potential
10.40 (-eV)120.00 (-eV)
Francium Metal
8 392.42
19.4 Lattice Constant
532.80 pm303.00 pm
Beryllium Metal
228.58 891.25
19.8 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
19.9 Lattice C/A Ratio
NANA
Beryllium Metal
1.567 1.886
20 Mechanical
20.1 Density
20.1.1 Density At Room Temperature
0.86 g/cm36.00 g/cm3
Lithium Metal
0.534 40.7
21.2.2 Density When Liquid (at m.p.)
0.83 g/cm35.50 g/cm3
Lithium Metal
0.512 20
21.4 Tensile Strength
NA800.00 MPa
Indium Metal
2.5 11000
21.8 Viscosity
NANA
Mercury Metal
0.001526 0.001526
21.9 Vapor Pressure
21.9.1 Vapor Pressure at 1000 K
NANA
Cerium Metal
2.47E-11 121
21.9.3 Vapor Pressure at 2000 K
NA0.23 (Pa)
Tungsten Metal
2.62E-10 774
21.11 Elasticity properties
21.11.1 Shear Modulus
1.30 GPa47.00 GPa
Palladium
1.3 222
21.11.3 Bulk Modulus
3.10 GPa160.00 GPa
Cesium Metal
1.6 462
21.11.5 Young's Modulus
3.53 GPa128.00 GPa
Cesium Metal
1.7 528
21.13 Poisson Ratio
NA0.37
Beryllium Metal
0.032 0.47
22.2 Other Mechanical Properties
NA
Ductile, Malleable
23 Magnetic
23.1 Magnetic Characteristics
23.1.1 Specific Gravity
0.865.96
Lithium Metal
0.53 4500
23.1.4 Magnetic Ordering
Paramagnetic
Paramagnetic
23.1.5 Permeability
NANA
Bismuth Metal
1.25643E-06 0.0063
23.1.7 Susceptibility
NANA
Bismuth Metal
-0.000166 200000
23.3 Electrical Properties
23.3.1 Electrical Property
Conductor
Superconductor
23.3.3 Resistivity
72.00 nΩ·m197.00 nΩ·m
Thallium Metal
0.18 961
23.3.4 Electrical Conductivity
0.14 106/cm Ω0.05 106/cm Ω
Plutonium Metal
0.00666 0.63
23.3.6 Electron Affinity
48.40 kJ/mol50.60 kJ/mol
Mercury Metal
0 222.8
24 Thermal
24.1 Specific Heat
0.75 J/(kg K)0.49 J/(kg K)
Americium Metal
0.11 3.6
25.2 Molar Heat Capacity
29.60 J/mol·K24.89 J/mol·K
Beryllium Metal
16.443 62.7
25.4 Thermal Conductivity
102.50 W/m·K30.70 W/m·K
Neptunium Metal
6.3 429
25.6 Critical Temperature
2,223.00 KNA
Ytterbium Metal
26.3 3223
25.8 Thermal Expansion
83.30 µm/(m·K)8.40 µm/(m·K)
Tungsten Metal
4.5 97
25.10 Enthalpy
25.10.1 Enthalpy of Vaporization
77.50 kJ/mol458.60 kJ/mol
Zinc Metal
7.32 799.1
25.11.2 Enthalpy of Fusion
2.32 kJ/mol17.57 kJ/mol
Cesium Metal
2.1 35.23
25.11.4 Enthalpy of Atomization
89.50 kJ/mol514.60 kJ/mol
Mercury Metal
61.5 837
25.12 Standard Molar Entropy
64.70 J/mol.K28.90 J/mol.K
Beryllium Metal
9.5 198.1