1 Periodic Table
1.1 Symbol
1.2 Group Number
1.4 Period Number
2.3 Block
2.4 Element Family
2.5 CAS Number
744009753850365
7429905
54386242
2.7 Space Group Name
2.8 Space Group Number
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.
- Rutherfordium does not occur in nature as it is a synthetic element.
- Till date Rutherfordium metal has 15 radioisotopes created synthetically.
3.2 Sources
Found in Minerals, Mining
Bombarding Plutonium with Accelerated 113 to 115 MeV Neon Ions, Synthetically Produced
3.3 History
3.3.1 Who Discovered
Humphry Davy
Joint Institute for Nuclear Research
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
3.6.2 Abundance In Sun
~0.0004 %~-9999 %
1E-08
0.1
3.6.5 Abundance In Meteorites
3.6.8 Abundance In Earth's Crust
3.6.11 Abundance In Oceans
3.6.14 Abundance In Humans
4 Uses
4.1 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 Rutherfordium metal are limited to research purpose only.
4.1.1 Industrial Uses
Ammunition Industry, Chemical Industry
NA
4.1.2 Medical Uses
Pharmaceutical Industry
NA
4.1.3 Other Uses
NA
Alloys, Research Purposes
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.3 In Blood
1,620.00 Blood/mg dm-30.00 Blood/mg dm-3
0
1970
4.2.5 In Bone
2,100.00 p.p.m.0.00 p.p.m.
0
170000
5 Physical
5.1 Melting Point
63.65 °C2,100.00 °C
27
3410
5.2 Boiling Point
774.00 °C5,500.00 °C
147
5660
5.3 Appearance
5.3.1 Physical State
5.3.2 Color
5.3.3 Luster
5.4 Hardness
5.4.1 Mohs Hardness
5.4.6 Brinell Hardness
5.4.10 Vickers Hardness
5.5 Speed of Sound
5.7 Optical Properties
5.7.1 Refractive Index
5.8.1 Reflectivity
6.2 Allotropes
6.2.1 α Allotropes
Not Available
Not Available
6.2.2 β Allotropes
Not Available
Not Available
6.2.3 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
7.2 Isotopes
7.2.1 Known Isotopes
7.6 Electronegativity
7.6.1 Pauling Electronegativity
7.6.3 Sanderson Electronegativity
7.7.4 Allred Rochow Electronegativity
7.8.1 Mulliken-Jaffe Electronegativity
7.11.1 Allen Electronegativity
7.15 Electropositivity
7.15.1 Pauling Electropositivity
8.2 Ionization Energies
8.2.1 1st Energy Level
418.80 kJ/mol579.90 kJ/mol
375.7
26130
8.3.1 2nd Energy Level
3,052.00 kJ/mol1,389.40 kJ/mol
710.2162
28750
8.5.2 3rd Energy Level
4,420.00 kJ/mol2,296.40 kJ/mol
1600
34230
8.6.2 4th Energy Level
5,877.00 kJ/mol3,077.90 kJ/mol
2780
37066
8.6.5 5th Energy Level
7,975.00 kJ/molNA
4305.2
97510
8.7.1 6th Energy Level
9,590.00 kJ/molNA
5715.8
105800
9.1.2 7th Energy level
11,343.00 kJ/molNA
7226.8
114300
9.1.5 8th Energy Level
14,944.00 kJ/molNA
8857.4
125300
9.1.7 9th Energy Level
16,963.70 kJ/molNA
14110
134700
9.1.8 10th Energy Level
48,610.00 kJ/molNA
17100
144300
9.2.3 11th Energy Level
54,490.00 kJ/molNA
19900
169988
9.2.4 12th Energy Level
60,730.00 kJ/molNA
22219
189368
9.2.6 13th Energy Level
68,950.00 kJ/molNA
26930
76015
9.2.7 14th Energy Level
75,900.00 kJ/molNA
29196
86450
9.2.8 15th Energy Level
83,080.00 kJ/molNA
41987
97510
9.2.10 16th Energy Level
93,400.00 kJ/molNA
47206
109480
9.2.11 17th Energy Level
99,710.00 kJ/molNA
52737
122200
10.1.1 18th Energy Level
10.1.2 19th Energy Level
10.2.1 20th Energy Level
10.2.2 21st Energy Level
10.3.1 22nd Energy Level
10.3.2 23rd Energy Level
10.4.1 24th Energy Level
10.4.2 25th Energy Level
10.5.1 26th Energy Level
10.6.2 27th Energy Level
10.6.3 28th Energy Level
10.6.5 29th Energy Level
10.6.7 30th Energy Level
10.7 Electrochemical Equivalent
1.46 g/amp-hrNA
0.16812
8.3209
10.9 Electron Work Function
10.10 Other Chemical Properties
Chemical Stability, Flammability, Ionization, Solubility
Ionization, Radioactive Isotopes, Radioactivity
11 Atomic
11.1 Atomic Number
11.2 Electron Configuration
[Ar] 4s1
[Rn] 5f14 6d2 7s2
11.3 Crystal Structure
Body Centered Cubic (BCC)
Hexagonal Close Packed (HCP)
11.3.1 Crystal Lattice
11.4 Atom
11.4.1 Number of Protons
11.4.2 Number of Neutrons
11.4.3 Number of Electrons
11.5 Radius of an Atom
11.5.1 Atomic Radius
227.00 pm150.00 pm
112
265
11.5.2 Covalent Radius
203.00 pm157.00 pm
96
260
11.5.3 Van der Waals Radius
11.6 Atomic Weight
39.10 amu267.00 amu
6.94
294
11.7 Atomic Volume
45.46 cm3/molNA
1.39
71.07
11.8 Adjacent Atomic Numbers
11.8.1 Previous Element
11.8.2 Next Element
11.9 Valence Electron Potential
11.10 Lattice Constant
532.80 pmNA
228.58
891.25
11.11 Lattice Angles
11.12 Lattice C/A Ratio
12 Mechanical
12.1 Density
12.1.1 Density At Room Temperature
0.86 g/cm323.20 g/cm3
0.534
40.7
12.1.2 Density When Liquid (at m.p.)
12.2 Tensile Strength
12.3 Viscosity
12.4 Vapor Pressure
12.4.1 Vapor Pressure at 1000 K
12.4.2 Vapor Pressure at 2000 K
12.5 Elasticity properties
12.5.1 Shear Modulus
12.5.2 Bulk Modulus
12.5.3 Young's Modulus
12.6 Poisson Ratio
12.7 Other Mechanical Properties
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
13.1.2 Magnetic Ordering
13.1.3 Permeability
13.1.4 Susceptibility
13.2 Electrical Properties
13.2.1 Electrical Property
13.2.2 Resistivity
13.2.3 Electrical Conductivity
0.14 106/cm ΩNA
0.00666
0.63
13.2.4 Electron Affinity
14 Thermal
14.1 Specific Heat
14.2 Molar Heat Capacity
29.60 J/mol·KNA
16.443
62.7
14.3 Thermal Conductivity
14.4 Critical Temperature
14.5 Thermal Expansion
14.6 Enthalpy
14.6.1 Enthalpy of Vaporization
77.50 kJ/molNA
7.32
799.1
1.2.1 Enthalpy of Fusion
1.3.1 Enthalpy of Atomization
1.7 Standard Molar Entropy
64.70 J/mol.KNA
9.5
198.1