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Potassium
Potassium

Darmstadtium
Darmstadtium



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Potassium
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Darmstadtium

Potassium Darmstadtium Comparison

1 Periodic Table
1.1 Symbol
K
Ds
1.2 Group Number
110
Gadolinium Metal
0 17
1.3 Period Number
47
Lithium Metal
2 7
1.4 Block
s block
d block
1.5 Element Family
Alkali
Probably Transition
1.6 CAS Number
744009754083771
Aluminium Metal
7429905 54386242
1.7 Space Group Name
Im_ 3m
Not Available
1.8 Space Group Number
229.00NA
Plutonium Metal
11 229
2 Facts
2.1 Interesting Facts
  • In the list of most abundant element Potassium is ranked 7th.
  • Potassium can easily be sliced (chopped) down using knife.
Not Available
2.2 Sources
Found in Minerals, Mining
Synthetically Produced
2.3 History
2.3.1 Who Discovered
Humphry Davy
Gesellschaft für Schwerionenforschung
2.3.2 Discovery
In 1807
In 1994
2.4 Abundance
2.4.1 Abundance In Universe
3 * 10-4 %NA
Thallium Metal
5E-09 0.11
2.4.2 Abundance In Sun
~0.0004 %~-9999 %
Beryllium Metal
1E-08 0.1
2.4.3 Abundance In Meteorites
0.07 %NA
Gold Metal
1.7E-07 22
2.4.4 Abundance In Earth's Crust
1.50 %NA
Radium Metal
9.9E-12 8.1
2.4.5 Abundance In Oceans
0.04 %NA
Protactinium Metal
2E-23 1.1
2.4.6 Abundance In Humans
0.20 %NA
Radium Metal
1E-13 1.4
3 Uses
3.1 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.
  • Currently known uses of Darmstadtium metal are limited to research purpose only. As only few atoms of this metal are produced.
3.1.1 Industrial Uses
Ammunition Industry, Chemical Industry
NA
3.1.2 Medical Uses
Pharmaceutical Industry
NA
3.1.3 Other Uses
NA
Research Purposes
3.2 Biological Properties
3.2.1 Toxicity
Toxic
Unknown
3.2.2 Present in Human Body
3.2.3 In Blood
1,620.00 Blood/mg dm-30.00 Blood/mg dm-3
Plutonium Metal
0 1970
3.2.4 In Bone
2,100.00 p.p.m.0.00 p.p.m.
Plutonium Metal
0 170000
4 Physical
4.1 Melting Point
63.65 °CNA
Francium Metal
27 3410
4.2 Boiling Point
774.00 °CNA
Flerovium Metal
147 5660
4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Silvery Gray
Unknown
4.3.3 Luster
NA
Unknown Luster
4.4 Hardness
4.4.1 Mohs Hardness
0.40NA
Cesium Metal
0.2 8.5
4.4.2 Brinell Hardness
0.36 MPaNA
Cesium Metal
0.14 3490
4.4.3 Vickers Hardness
NANA
Palladium Metal
121 3430
4.5 Speed of Sound
2,000.00 m/s5,090.00 m/s
Thallium Metal
818 16200
4.6 Optical Properties
4.6.1 Refractive Index
NANA
Mercury Metal
1.000933 1.7229
4.6.2 Reflectivity
NANA
Molybdenum Metal
58 97
4.7 Allotropes
4.7.1 α Allotropes
Not Available
Not Available
4.7.2 β Allotropes
Not Available
Not Available
4.7.3 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
K
Ds
5.2 Isotopes
5.2.1 Known Isotopes
209
Tennessine Metal
0 38
5.3 Electronegativity
5.3.1 Pauling Electronegativity
0.82NA
Francium Metal
0.7 2.54
5.3.2 Sanderson Electronegativity
0.45NA
Cesium Metal
0.22 2.56
5.3.3 Allred Rochow Electronegativity
0.91NA
Cesium Metal
0.86 1.82
5.3.4 Mulliken-Jaffe Electronegativity
0.73NA
Cesium Metal
0.62 2.48
5.3.5 Allen Electronegativity
0.73NA
Cesium Metal
0.659 2.7
5.4 Electropositivity
5.4.1 Pauling Electropositivity
3.18NA
Gold Metal
1.46 3.3
5.5 Ionization Energies
5.5.1 1st Energy Level
418.80 kJ/mol955.20 kJ/mol
Cesium Metal
375.7 26130
5.5.2 2nd Energy Level
3,052.00 kJ/mol1,891.10 kJ/mol
Ruthenium Metal
710.2162 28750
5.5.3 3rd Energy Level
4,420.00 kJ/mol3,029.60 kJ/mol
Osmium Metal
1600 34230
5.5.4 4th Energy Level
5,877.00 kJ/mol3,955.90 kJ/mol
Thorium Metal
2780 37066
5.5.5 5th Energy Level
7,975.00 kJ/mol5,113.70 kJ/mol
Dubnium Metal
4305.2 97510
5.5.6 6th Energy Level
9,590.00 kJ/molNA
Seaborgium Metal
5715.8 105800
5.5.7 7th Energy level
11,343.00 kJ/molNA
Bohrium Metal
7226.8 114300
5.5.8 8th Energy Level
14,944.00 kJ/molNA
Hassium Metal
8857.4 125300
5.5.9 9th Energy Level
16,963.70 kJ/molNA
Yttrium Metal
14110 134700
5.5.10 10th Energy Level
48,610.00 kJ/molNA
Strontium Metal
17100 144300
5.5.11 11th Energy Level
54,490.00 kJ/molNA
Yttrium Metal
19900 169988
5.5.12 12th Energy Level
60,730.00 kJ/molNA
Molybdenum Metal
22219 189368
5.5.13 13th Energy Level
68,950.00 kJ/molNA
Molybdenum Metal
26930 76015
5.5.14 14th Energy Level
75,900.00 kJ/molNA
Molybdenum Metal
29196 86450
5.5.15 15th Energy Level
83,080.00 kJ/molNA
Manganese Metal
41987 97510
5.5.16 16th Energy Level
93,400.00 kJ/molNA
Iron Metal
47206 109480
5.5.17 17th Energy Level
99,710.00 kJ/molNA
Cobalt Metal
52737 122200
5.5.18 18th Energy Level
NANA
Nickel Metal
58570 134810
5.5.19 19th Energy Level
NANA
Copper Metal
64702 148700
5.5.20 20th Energy Level
NANA
Molybdenum Metal
80400 171200
5.5.21 21st Energy Level
NANA
Molybdenum Metal
87000 179100
5.5.22 22nd Energy Level
NANA
Molybdenum Metal
93400 184900
5.5.23 23rd Energy Level
NANA
Molybdenum Metal
98420 198800
5.5.24 24th Energy Level
NANA
Molybdenum Metal
104400 195200
5.5.25 25th Energy Level
NANA
Molybdenum Metal
121900 121900
5.5.26 26th Energy Level
NANA
Molybdenum Metal
127700 127700
5.5.27 27th Energy Level
NANA
Molybdenum Metal
133800 133800
5.5.28 28th Energy Level
NANA
Molybdenum Metal
139800 139800
5.5.29 29th Energy Level
NANA
Molybdenum Metal
148100 148100
5.5.30 30th Energy Level
NANA
Molybdenum Metal
154500 154500
5.6 Electrochemical Equivalent
1.46 g/amp-hrNA
Beryllium Metal
0.16812 8.3209
5.7 Electron Work Function
2.30 eVNA
Cesium Metal
2.14 5.65
5.8 Other Chemical Properties
Chemical Stability, Flammability, Ionization, Solubility
Ionization, Radioactive Isotopes, Radioactivity
6 Atomic
6.1 Atomic Number
19110
Lithium Metal
3 117
6.2 Electron Configuration
[Ar] 4s1
[Rn] 5f14 6d8 7s2
6.3 Crystal Structure
Body Centered Cubic (BCC)
Body Centered Cubic (BCC)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
19110
Lithium Metal
3 117
6.4.2 Number of Neutrons
20161
Lithium Metal
4 184
6.4.3 Number of Electrons
19110
Lithium Metal
3 117
6.5 Radius of an Atom
6.5.1 Atomic Radius
227.00 pm132.00 pm
Beryllium Metal
112 265
6.5.2 Covalent Radius
203.00 pm128.00 pm
Beryllium Metal
96 260
6.5.3 Van der Waals Radius
275.00 pmNA
Zinc Metal
139 348
6.6 Atomic Weight
39.10 amu281.00 amu
Lithium Metal
6.94 294
6.7 Atomic Volume
45.46 cm3/molNA
Manganese Metal
1.39 71.07
6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
10.40 (-eV)NA
Francium Metal
8 392.42
6.10 Lattice Constant
532.80 pmNA
Beryllium Metal
228.58 891.25
6.11 Lattice Angles
π/2, π/2, π/2
NA
6.12 Lattice C/A Ratio
NANA
Beryllium Metal
1.567 1.886
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
0.86 g/cm3NA
Lithium Metal
0.534 40.7
7.1.2 Density When Liquid (at m.p.)
0.83 g/cm3NA
Lithium Metal
0.512 20
7.2 Tensile Strength
NANA
Indium Metal
2.5 11000
7.3 Viscosity
NANA
Mercury Metal
0.001526 0.001526
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
NANA
Cerium Metal
2.47E-11 121
7.4.2 Vapor Pressure at 2000 K
NANA
Tungsten Metal
2.62E-10 774
7.5 Elasticity properties
7.5.1 Shear Modulus
1.30 GPaNA
Palladium
1.3 222
7.5.2 Bulk Modulus
3.10 GPaNA
Cesium Metal
1.6 462
7.5.3 Young's Modulus
3.53 GPaNA
Cesium Metal
1.7 528
7.6 Poisson Ratio
NANA
Beryllium Metal
0.032 0.47
7.7 Other Mechanical Properties
NA
Unknown
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
0.86NA
Lithium Metal
0.53 4500
8.1.2 Magnetic Ordering
Paramagnetic
Unknown
8.1.3 Permeability
NANA
Bismuth Metal
1.25643E-06 0.0063
8.1.4 Susceptibility
NANA
Bismuth Metal
-0.000166 200000
8.2 Electrical Properties
8.2.1 Electrical Property
Conductor
Unknown
8.2.2 Resistivity
72.00 nΩ·mNA
Thallium Metal
0.18 961
8.2.3 Electrical Conductivity
0.14 106/cm ΩNA
Plutonium Metal
0.00666 0.63
8.2.4 Electron Affinity
48.40 kJ/molNA
Mercury Metal
0 222.8
9 Thermal
9.1 Specific Heat
0.75 J/(kg K)NA
Americium Metal
0.11 3.6
9.2 Molar Heat Capacity
29.60 J/mol·KNA
Beryllium Metal
16.443 62.7
9.3 Thermal Conductivity
102.50 W/m·KNA
Neptunium Metal
6.3 429
9.4 Critical Temperature
2,223.00 KNA
Ytterbium Metal
26.3 3223
9.5 Thermal Expansion
83.30 µm/(m·K)NA
Tungsten Metal
4.5 97
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
77.50 kJ/molNA
Zinc Metal
7.32 799.1
9.6.2 Enthalpy of Fusion
2.32 kJ/molNA
Cesium Metal
2.1 35.23
9.6.3 Enthalpy of Atomization
89.50 kJ/molNA
Mercury Metal
61.5 837
9.7 Standard Molar Entropy
64.70 J/mol.KNA
Beryllium Metal
9.5 198.1