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Europium
Europium

Bohrium
Bohrium



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Europium
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Europium vs Bohrium

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1 Periodic Table
1.1 Symbol
Eu
Bh
1.2 Group Number
NA7
Gadolinium
0 17
1.6 Period Number
67
Lithium
2 7
1.9 Block
f block
d block
1.10 Element Family
Lanthanide
Transition Metal
1.11 CAS Number
744053154037148
Aluminium
7429905 54386242
2.3 Space Group Name
Im_ 3m
Not Available
2.4 Space Group Number
229.00NA
Plutonium
11 229
2 Facts
2.2 Interesting Facts
Not Available
  • Bohrium metal is also known as Unnilseptium (Uns) and Nielsbohrium (Ns).
2.3 Sources
Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining, Synthetically Produced
2.4 History
2.4.1 Who Discovered
Eugène-Anatole Demarçay
Gesellschaft für Schwerionenforschung
2.4.2 Discovery
In 1896
In 1981
2.5 Abundance
2.5.1 Abundance In Universe
5 * 10-8 %NA
Thallium
5E-09 0.11
4.2.4 Abundance In Sun
~0.00000005 %~-9999 %
Beryllium
1E-08 0.1
4.5.2 Abundance In Meteorites
0.00 %NA
Gold
1.7E-07 22
5.1.0 Abundance In Earth's Crust
0.00 %NA
Radium
9.9E-12 8.1
6.6.2 Abundance In Oceans
0.00 %NA
Protactinium
2E-23 1.1
7.6.2 Abundance In Humans
NANA
Radium
1E-13 1.4
8 Uses
8.1 Uses & Benefits
  • Europium metals main uses is in the printing of euro banknotes. These notes glow red under UV light.
  • It is used in low energy light bulbs.
  • Currently known uses of Bohrium metal are limited to research purpose only.
8.1.1 Industrial Uses
Chemical Industry
NA
8.1.2 Medical Uses
NA
NA
8.1.3 Other Uses
Alloys
Research Purposes
8.2 Biological Properties
8.2.1 Toxicity
Non Toxic
Unknown
8.2.2 Present in Human Body
8.2.3 In Blood
NA0.00 Blood/mg dm-3
Plutonium
0 1970
8.3.2 In Bone
NA0.00 p.p.m.
Plutonium
0 170000
9 Physical
9.1 Melting Point
822.00 °CNA
Francium
27 3410
10.6 Boiling Point
1,597.00 °CNA
Flerovium
147 5660
10.11 Appearance
10.11.1 Physical State
Solid
Solid
10.11.2 Color
Silvery White
Unknown
10.11.3 Luster
Lustrous
Unknown Luster
10.12 Hardness
10.12.1 Mohs Hardness
NANA
Cesium
0.2 8.5
11.3.4 Brinell Hardness
NANA
Cesium
0.14 3490
12.3.4 Vickers Hardness
167.00 MPaNA
Palladium
121 3430
12.4 Speed of Sound
NANA
Thallium
818 16200
13.2 Optical Properties
13.2.1 Refractive Index
NANA
Mercury
1.000933 1.7229
13.3.3 Reflectivity
NANA
Molybdenum
58 97
13.5 Allotropes
13.5.1 α Allotropes
Not Available
Not Available
13.5.2 β Allotropes
Not Available
Not Available
13.5.3 γ Allotropes
Not Available
Not Available
14 Chemical
14.1 Chemical Formula
Eu
Bh
14.2 Isotopes
14.2.1 Known Isotopes
315
Tennessine
0 38
14.3 Electronegativity
14.3.1 Pauling Electronegativity
1.20NA
Francium
0.7 2.54
14.6.4 Sanderson Electronegativity
1.01NA
Cesium
0.22 2.56
14.7.6 Allred Rochow Electronegativity
NANA
Cesium
0.86 1.82
14.7.11 Mulliken-Jaffe Electronegativity
NANA
Cesium
0.62 2.48
14.7.18 Allen Electronegativity
NANA
Cesium
0.659 2.7
14.9 Electropositivity
14.9.1 Pauling Electropositivity
NANA
Gold
1.46 3.3
14.10 Ionization Energies
14.10.1 1st Energy Level
547.10 kJ/mol742.90 kJ/mol
Cesium
375.7 26130
14.11.2 2nd Energy Level
1,085.00 kJ/mol1,688.50 kJ/mol
Ruthenium
710.2162 28750
14.11.7 3rd Energy Level
2,404.00 kJ/mol2,566.50 kJ/mol
Osmium
1600 34230
15.2.3 4th Energy Level
4,120.00 kJ/mol3,598.90 kJ/mol
Thorium
2780 37066
15.3.3 5th Energy Level
NA4,727.80 kJ/mol
Dubnium
4305.2 97510
15.4.3 6th Energy Level
NA5,991.70 kJ/mol
Seaborgium
5715.8 105800
15.5.4 7th Energy level
NA7,226.80 kJ/mol
Sodium
7226.8 114300
15.5.6 8th Energy Level
NANA
Hassium
8857.4 125300
15.5.12 9th Energy Level
NANA
Yttrium
14110 134700
15.5.16 10th Energy Level
NANA
Strontium
17100 144300
15.5.22 11th Energy Level
NANA
Yttrium
19900 169988
15.6.2 12th Energy Level
NANA
Molybdenum
22219 189368
15.7.5 13th Energy Level
NANA
Molybdenum
26930 76015
15.7.12 14th Energy Level
NANA
Molybdenum
29196 86450
15.7.19 15th Energy Level
NANA
Manganese
41987 97510
15.7.24 16th Energy Level
NANA
Iron
47206 109480
15.8.5 17th Energy Level
NANA
Cobalt
52737 122200
15.9.4 18th Energy Level
NANA
Nickel
58570 134810
16.1.1 19th Energy Level
NANA
Copper
64702 148700
16.1.4 20th Energy Level
NANA
Molybdenum
80400 171200
16.5.2 21st Energy Level
NANA
Molybdenum
87000 179100
17.1.1 22nd Energy Level
NANA
Molybdenum
93400 184900
17.1.4 23rd Energy Level
NANA
Molybdenum
98420 198800
17.5.2 24th Energy Level
NANA
Molybdenum
104400 195200
17.6.2 25th Energy Level
NANA
Molybdenum
121900 121900
18.1.1 26th Energy Level
NANA
Molybdenum
127700 127700
18.2.3 27th Energy Level
NANA
Molybdenum
133800 133800
18.5.3 28th Energy Level
NANA
Molybdenum
139800 139800
18.6.2 29th Energy Level
NANA
Molybdenum
148100 148100
18.6.5 30th Energy Level
NANA
Molybdenum
154500 154500
18.9 Electrochemical Equivalent
1.89 g/amp-hrNA
Beryllium
0.16812 8.3209
18.12 Electron Work Function
2.50 eVNA
Cesium
2.14 5.65
18.17 Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility
Ionization, Radioactive Isotopes
19 Atomic
19.1 Atomic Number
63107
Lithium
3 117
22.13 Electron Configuration
[Xe] 4f7 6s2
[Rn] 5f14 6d5 7s2
22.14 Crystal Structure
Body Centered Cubic (BCC)
Hexagonal Close Packed (HCP)
22.14.1 Crystal Lattice
22.15 Atom
22.15.1 Number of Protons
63107
Lithium
3 117
23.3.2 Number of Neutrons
89155
Lithium
4 184
24.2.1 Number of Electrons
63107
Lithium
3 117
25.3 Radius of an Atom
25.3.1 Atomic Radius
180.00 pm128.00 pm
Beryllium
112 265
26.1.2 Covalent Radius
198.00 pm141.00 pm
Beryllium
96 260
26.1.7 Van der Waals Radius
233.00 pmNA
Zinc
139 348
26.3 Atomic Weight
151.96 amu270.00 amu
Lithium
6.94 294
27.2 Atomic Volume
28.90 cm3/molNA
Manganese
1.39 71.07
27.4 Adjacent Atomic Numbers
27.4.1 Previous Element
27.4.2 Next Element
27.5 Valence Electron Potential
45.60 (-eV)NA
Francium
8 392.42
28.2 Lattice Constant
458.10 pmNA
Beryllium
228.58 891.25
29.3 Lattice Angles
π/2, π/2, π/2
NA
29.4 Lattice C/A Ratio
NANA
Beryllium
1.567 1.886
30 Mechanical
30.1 Density
30.1.1 Density At Room Temperature
5.26 g/cm337.10 g/cm3
Lithium
0.534 40.7
30.5.1 Density When Liquid (at m.p.)
5.13 g/cm3NA
Lithium
0.512 20
30.11 Tensile Strength
120.00 MPaNA
Indium
2.5 11000
30.14 Viscosity
NANA
Mercury
0.001526 0.001526
30.16 Vapor Pressure
30.16.1 Vapor Pressure at 1000 K
19.40 (Pa)NA
Cerium
2.47E-11 121
30.18.3 Vapor Pressure at 2000 K
NANA
Tungsten
2.62E-10 774
30.22 Elasticity properties
30.22.1 Shear Modulus
7.90 GPaNA
Potassium
1.3 222
31.1.4 Bulk Modulus
8.30 GPaNA
Cesium
1.6 462
1.2.4 Young's Modulus
18.20 GPaNA
Cesium
1.7 528
1.3 Poisson Ratio
0.15NA
Beryllium
0.032 0.47
1.6 Other Mechanical Properties
Ductile
Unknown
2 Magnetic
2.1 Magnetic Characteristics
2.1.1 Specific Gravity
5.24NA
Lithium
0.53 4500
1.3.1 Magnetic Ordering
Paramagnetic
Unknown
1.3.2 Permeability
NANA
Bismuth
1.25643E-06 0.0063
1.8.1 Susceptibility
NANA
Bismuth
-0.000166 200000
1.11 Electrical Properties
1.11.1 Electrical Property
Conductor
Unknown
1.11.2 Resistivity
0.90 nΩ·mNA
Thallium
0.18 961
2.4.2 Electrical Conductivity
0.01 106/cm ΩNA
Plutonium
0.00666 0.63
2.7.1 Electron Affinity
50.00 kJ/molNA
Mercury
0 222.8
4 Thermal
4.1 Specific Heat
0.18 J/(kg K)NA
Americium
0.11 3.6
4.2 Molar Heat Capacity
27.66 J/mol·KNA
Beryllium
16.443 62.7
1.2 Thermal Conductivity
13.90 W/m·KNA
Neptunium
6.3 429
2.4 Critical Temperature
NANA
Ytterbium
26.3 3223
3.3 Thermal Expansion
35.00 µm/(m·K)NA
Tungsten
4.5 97
5.6 Enthalpy
5.6.1 Enthalpy of Vaporization
143.50 kJ/molNA
Zinc
7.32 799.1
1.3.1 Enthalpy of Fusion
9.21 kJ/molNA
Cesium
2.1 35.23
2.3.1 Enthalpy of Atomization
180.00 kJ/molNA
Mercury
61.5 837
2.8 Standard Molar Entropy
77.80 J/mol.KNA
Beryllium
9.5 198.1