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Holmium
Holmium

Tennessine
Tennessine



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Holmium vs Tennessine

1 Periodic Table
1.1 Symbol
Ho
Ts
1.2 Group Number
NA17
Gadolinium
0 17
1.3 Period Number
67
Lithium
2 7
1.4 Block
f block
p block
1.5 Element Family
Lanthanide
Probably Post-​Transition
1.6 CAS Number
744060054101143
Aluminium
7429905 54386242
1.7 Space Group Name
P63/mmc
Not Available
1.8 Space Group Number
194.00NA
Plutonium
11 229
2 Facts
2.1 Interesting Facts
  • Holmium metal is very soft and malleable.
  • Holmium metal is well known for its corrosion resistivity.
Not Available
2.2 Sources
Found in Minerals, Mining, Ores of Minerals
Synthetically Produced
2.3 History
2.3.1 Who Discovered
Marc Delafontaine
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory
2.3.2 Discovery
In 1878
In 2010
2.4 Abundance
2.4.1 Abundance In Universe
5 * 10-8 %NA
Thallium
5E-09 0.11
2.4.3 Abundance In Sun
~-9999 %~-9999 %
Beryllium
1E-08 0.1
2.4.5 Abundance In Meteorites
0.00 %NA
Gold
1.7E-07 22
2.4.8 Abundance In Earth's Crust
0.00 %NA
Radium
9.9E-12 8.1
2.4.10 Abundance In Oceans
0.00 %NA
Protactinium
2E-23 1.1
2.4.12 Abundance In Humans
NANA
Radium
1E-13 1.4
3 Uses
3.1 Uses & Benefits
  • Holmium metal has an ability to absorb neutrons, so this metal is used in nuclear reactors to keep the chain reactions of elements under control.
  • Alloys of Holmium are used to produce Magnet.
  • Currently known uses of Ununseptium metal are limited to research purpose only.
3.1.1 Industrial Uses
NA
NA
3.1.2 Medical Uses
NA
NA
3.1.3 Other Uses
Alloys, Nuclear Research
Research Purposes
3.2 Biological Properties
3.2.1 Toxicity
Low Toxic
Unknown
3.2.3 Present in Human Body
3.2.4 In Blood
NANA
Plutonium
0 1970
3.2.6 In Bone
NANA
Plutonium
0 170000
4 Physical
4.1 Melting Point
1,461.00 °C400.00 °C
Francium
27 3410
4.2 Boiling Point
2,600.00 °C610.00 °C
Flerovium
147 5660
4.4 Appearance
4.4.1 Physical State
Solid
Solid
4.4.2 Color
Silvery White
Unknown
4.4.3 Luster
Metallic
Unknown Luster
4.5 Hardness
4.5.1 Mohs Hardness
NANA
Cesium
0.2 8.5
4.5.2 Brinell Hardness
746.00 MPaNA
Cesium
0.14 3490
4.6.1 Vickers Hardness
481.00 MPaNA
Palladium
121 3430
5.2 Speed of Sound
2,760.00 m/sNA
Thallium
818 16200
5.6 Optical Properties
5.6.1 Refractive Index
NANA
Mercury
1.000933 1.7229
5.6.3 Reflectivity
NANA
Molybdenum
58 97
5.7 Allotropes
5.7.2 α Allotropes
Not Available
Not Available
5.7.3 β Allotropes
Not Available
Not Available
5.7.4 γ Allotropes
Not Available
Not Available
6 Chemical
6.1 Chemical Formula
Ho
Ts
6.2 Isotopes
6.2.1 Known Isotopes
340
Aluminium
0 38
6.4 Electronegativity
6.4.1 Pauling Electronegativity
1.23NA
Francium
0.7 2.54
6.4.3 Sanderson Electronegativity
NANA
Cesium
0.22 2.56
6.4.5 Allred Rochow Electronegativity
1.10NA
Cesium
0.86 1.82
6.4.6 Mulliken-Jaffe Electronegativity
NANA
Cesium
0.62 2.48
6.5.1 Allen Electronegativity
NANA
Cesium
0.659 2.7
6.7 Electropositivity
6.7.1 Pauling Electropositivity
2.77NA
Gold
1.46 3.3
6.10 Ionization Energies
6.10.1 1st Energy Level
581.00 kJ/mol742.90 kJ/mol
Cesium
375.7 26130
6.11.1 2nd Energy Level
1,140.00 kJ/mol1,785.00 kJ/mol
Ruthenium
710.2162 28750
6.12.1 3rd Energy Level
2,204.00 kJ/molNA
Osmium
1600 34230
7.1.2 4th Energy Level
4,100.00 kJ/molNA
Thorium
2780 37066
7.1.3 5th Energy Level
NANA
Dubnium
4305.2 97510
7.1.5 6th Energy Level
NANA
Seaborgium
5715.8 105800
7.1.6 7th Energy level
NANA
Bohrium
7226.8 114300
7.2.1 8th Energy Level
NANA
Hassium
8857.4 125300
7.3.1 9th Energy Level
NANA
Yttrium
14110 134700
7.4.2 10th Energy Level
NANA
Strontium
17100 144300
7.4.4 11th Energy Level
NANA
Yttrium
19900 169988
7.4.5 12th Energy Level
NANA
Molybdenum
22219 189368
7.5.2 13th Energy Level
NANA
Molybdenum
26930 76015
7.5.4 14th Energy Level
NANA
Molybdenum
29196 86450
7.5.6 15th Energy Level
NANA
Manganese
41987 97510
7.5.7 16th Energy Level
NANA
Iron
47206 109480
7.6.1 17th Energy Level
NANA
Cobalt
52737 122200
7.6.2 18th Energy Level
NANA
Nickel
58570 134810
7.6.3 19th Energy Level
NANA
Copper
64702 148700
7.6.4 20th Energy Level
NANA
Molybdenum
80400 171200
7.6.5 21st Energy Level
NANA
Molybdenum
87000 179100
8.1.2 22nd Energy Level
NANA
Molybdenum
93400 184900
8.1.3 23rd Energy Level
NANA
Molybdenum
98420 198800
8.1.6 24th Energy Level
NANA
Molybdenum
104400 195200
8.1.7 25th Energy Level
NANA
Molybdenum
121900 121900
8.1.8 26th Energy Level
NANA
Molybdenum
127700 127700
8.1.10 27th Energy Level
NANA
Molybdenum
133800 133800
8.2.3 28th Energy Level
NANA
Molybdenum
139800 139800
8.2.4 29th Energy Level
NANA
Molybdenum
148100 148100
8.2.6 30th Energy Level
NANA
Molybdenum
154500 154500
8.3 Electrochemical Equivalent
2.02 g/amp-hrNA
Beryllium
0.16812 8.3209
8.4 Electron Work Function
NANA
Cesium
2.14 5.65
9.2 Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
Chemical Stability, Ionization
10 Atomic
10.1 Atomic Number
67117
Lithium
3 117
10.3 Electron Configuration
[Xe] 4f11 6s2
[Rn] 5f14 6d10 7s2 7p5
10.4 Crystal Structure
Hexagonal Close Packed (HCP)
Not Known
10.4.1 Crystal Lattice
10.5 Atom
10.5.1 Number of Protons
67117
Lithium
3 117
10.6.1 Number of Neutrons
98167
Lithium
4 184
10.6.2 Number of Electrons
67117
Lithium
3 117
10.8 Radius of an Atom
10.8.1 Atomic Radius
176.00 pmNA
Beryllium
112 265
10.8.2 Covalent Radius
192.00 pmNA
Beryllium
96 260
10.9.1 Van der Waals Radius
216.00 pmNA
Zinc
139 348
10.11 Atomic Weight
164.93 amu294.00 amu
Lithium
6.94 294
10.12 Atomic Volume
18.70 cm3/molNA
Manganese
1.39 71.07
10.13 Adjacent Atomic Numbers
10.13.1 Previous Element
10.13.2 Next Element
10.14 Valence Electron Potential
47.90 (-eV)NA
Francium
8 392.42
10.15 Lattice Constant
357.73 pmNA
Beryllium
228.58 891.25
10.17 Lattice Angles
π/2, π/2, 2 π/3
NA
10.18 Lattice C/A Ratio
1.57NA
Beryllium
1.567 1.886
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
8.79 g/cm37.10 g/cm3
Lithium
0.534 40.7
11.1.2 Density When Liquid (at m.p.)
8.34 g/cm3NA
Lithium
0.512 20
11.2 Tensile Strength
NANA
Indium
2.5 11000
11.3 Viscosity
NANA
Mercury
0.001526 0.001526
11.4 Vapor Pressure
11.4.1 Vapor Pressure at 1000 K
0.00 (Pa)NA
Cerium
2.47E-11 121
11.4.2 Vapor Pressure at 2000 K
NANA
Tungsten
2.62E-10 774
11.5 Elasticity properties
11.5.1 Shear Modulus
26.30 GPaNA
Potassium
1.3 222
11.5.2 Bulk Modulus
40.20 GPaNA
Cesium
1.6 462
11.5.3 Young's Modulus
64.80 GPaNA
Cesium
1.7 528
11.6 Poisson Ratio
0.23NA
Beryllium
0.032 0.47
11.7 Other Mechanical Properties
Ductile, Malleable, Sectile
Unknown
12 Magnetic
12.1 Magnetic Characteristics
12.1.1 Specific Gravity
8.80NA
Lithium
0.53 4500
12.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
12.1.3 Permeability
NANA
Bismuth
1.25643E-06 0.0063
12.1.4 Susceptibility
NANA
Bismuth
-0.000166 200000
12.2 Electrical Properties
12.2.1 Electrical Property
Conductor
Unknown
12.2.2 Resistivity
814.00 nΩ·mNA
Thallium
0.18 961
12.2.3 Electrical Conductivity
0.01 106/cm ΩNA
Plutonium
0.00666 0.63
12.2.4 Electron Affinity
50.00 kJ/molNA
Mercury
0 222.8
13 Thermal
13.1 Specific Heat
0.16 J/(kg K)NA
Americium
0.11 3.6
13.2 Molar Heat Capacity
27.15 J/mol·KNA
Beryllium
16.443 62.7
13.3 Thermal Conductivity
16.20 W/m·KNA
Neptunium
6.3 429
13.4 Critical Temperature
NANA
Ytterbium
26.3 3223
13.5 Thermal Expansion
11.20 µm/(m·K)NA
Tungsten
4.5 97
13.6 Enthalpy
13.6.1 Enthalpy of Vaporization
241.00 kJ/molNA
Zinc
7.32 799.1
13.6.2 Enthalpy of Fusion
11.76 kJ/molNA
Cesium
2.1 35.23
13.6.3 Enthalpy of Atomization
301.00 kJ/molNA
Mercury
61.5 837
13.7 Standard Molar Entropy
75.30 J/mol.KNA
Beryllium
9.5 198.1