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Gold Bohrium Comparison

Gold
Bohrium
Bohrium Gold comparison


Periodic Table
Symbol
Au  
Bh  
Group Number
11  
7
7  
11
Period Number
6  
7  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
7440575  
31
54037148  
12
Space Group Name
Fm_ 3m  
-  
Space Group Number
225.00  
3
276.00  
1
Facts
Interesting Facts
  • It is found in copper ores and from the crust of the earth.
  • It is the most malleable and ductile metal.
  • Gold alloys are used in Dentistry as fillings, crowning, clips, etc. It is also used as an artificial limb joints.
  
  • Bohrium metal is also known as Unnilseptium (Uns) and Nielsbohrium (Ns).
  
Sources
Earth's crust, Mining, Ores of metals  
Found in Minerals, Mining, Synthetically Produced  
History
  
  
Who Discovered
-  
Gesellschaft für Schwerionenforschung  
Discovery
Before 6000 BCE  
In 1981  
Abundance
  
  
Abundance In Universe
0.00 %  
27
0.00 %  
37
Abundance In Sun
0.00 %  
26
-  
Abundance In Meteorites
0.00 %  
99+
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
99+
0.00 %  
99+
Abundance In Oceans
0.00 %  
21
-  
Abundance In Humans
0.00 %  
21
-  
Uses
Uses & Benefits
  • Gold metal is mainly used for Jewelry, bullion, coinage, etc.
  • It is used in the art, decoration, ornaments, etc. It is also used for electroplating process.
  
  • Currently known uses of Bohrium metal are limited to research purpose only.
  
Industrial Uses
Chemical Industry, Clothing Industry, Electrical Industry, Electronic Industry  
-  
Medical Uses
Dentistry, Pharmaceutical Industry  
-  
Other Uses
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues  
Research Purposes  
Biological Properties
  
  
Toxicity
Non Toxic  
-  
Present in Human Body
Yes  
No  
In Blood
0.00 Blood/mg dm-3  
38
0.00 Blood/mg dm-3  
40
In Bone
0.02 p.p.m.  
35
0.00 p.p.m.  
99+
Physical
Melting Point
1,064.43 °C  
99+
-  
Boiling Point
2,807.00 °C  
37
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Gold  
-  
Luster
Metallic  
Unknown Luster  
Hardness
  
  
Mohs Hardness
2.50  
15
7.00  
3
Brinell Hardness
194.00 MPa  
99+
270.00 MPa  
99+
Vickers Hardness
216.00 MPa  
99+
2,700.00 MPa  
4
Speed of Sound
2,030.00 m/s  
99+
2,680.00 m/s  
99+
Optical Properties
  
  
Refractive Index
0.47  
99+
1.50  
36
Reflectivity
95.00 %  
2
59.00 %  
24
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Au  
Bh  
Isotopes
  
  
Known Isotopes
36  
3
5  
32
Electronegativity
  
  
Pauling Electronegativity
2.54  
2
2.00  
8
Sanderson Electronegativity
1.50  
18
1.30  
25
Allred Rochow Electronegativity
1.42  
19
1.30  
25
Mulliken-Jaffe Electronegativity
1.87  
15
1.30  
33
Allen Electronegativity
1.92  
7
2.00  
6
Electropositivity
  
  
Pauling Electropositivity
1.46  
99+
2.00  
99+
Ionization Energies
  
  
1st Energy Level
890.10 kJ/mol  
8
742.90 kJ/mol  
23
2nd Energy Level
1,980.00 kJ/mol  
12
1,688.50 kJ/mol  
31
3rd Energy Level
2,856.00 kJ/mol  
33
2,566.50 kJ/mol  
99+
4th Energy Level
890.10 kJ/mol  
99+
3,598.90 kJ/mol  
99+
5th Energy Level
8,901.00 kJ/mol  
6
4,727.80 kJ/mol  
99+
6th Energy Level
8,901.00 kJ/mol  
24
5,991.70 kJ/mol  
99+
7th Energy level
8,901.00 kJ/mol  
21
7,226.80 kJ/mol  
34
8th Energy Level
8,900.00 kJ/mol  
20
7,100.00 kJ/mol  
33
9th Energy Level
8,901.00 kJ/mol  
20
5,800.00 kJ/mol  
99+
10th Energy Level
8,901.00 kJ/mol  
21
7,100.00 kJ/mol  
35
11th Energy Level
8,901.00 kJ/mol  
19
8,200.00 kJ/mol  
25
12th Energy Level
8,900.00 kJ/mol  
39
82,700.00 kJ/mol  
4
13th Energy Level
8,900.00 kJ/mol  
14
7,100.00 kJ/mol  
29
14th Energy Level
890.10 kJ/mol  
99+
8,200.00 kJ/mol  
17
15th Energy Level
89,000.00 kJ/mol  
7
82,000.00 kJ/mol  
14
16th Energy Level
890.10 kJ/mol  
99+
71,100.00 kJ/mol  
20
17th Energy Level
890.10 kJ/mol  
25
820.00 kJ/mol  
31
18th Energy Level
8,901.00 kJ/mol  
14
8,200.00 kJ/mol  
20
19th Energy Level
890.10 kJ/mol  
23
820.80 kJ/mol  
28
20th Energy Level
890.00 kJ/mol  
13
820.00 kJ/mol  
21
21st Energy Level
890.10 kJ/mol  
35
8,200.00 kJ/mol  
11
22nd Energy Level
890.00 kJ/mol  
11
820.00 kJ/mol  
16
23rd Energy Level
890.10 kJ/mol  
38
8,200.00 kJ/mol  
8
24th Energy Level
890.10 kJ/mol  
6
820.00 kJ/mol  
12
25th Energy Level
890.00 kJ/mol  
5
820.00 kJ/mol  
10
26th Energy Level
890.10 kJ/mol  
5
820.00 kJ/mol  
10
27th Energy Level
890.10 kJ/mol  
4
820.00 kJ/mol  
9
28th Energy Level
890.10 kJ/mol  
7
820.00 kJ/mol  
15
29th Energy Level
890.10 kJ/mol  
8
820.00 kJ/mol  
14
30th Energy Level
890.10 kJ/mol  
5
820.00 kJ/mol  
10
Electrochemical Equivalent
2.45 g/amp-hr  
25
3.00 g/amp-hr  
21
Electron Work Function
5.10 eV  
8
4.90 eV  
12
Other Chemical Properties
Chemical Stability, Ionization, Solubility  
Ionization, Radioactive Isotopes  
Atomic
Atomic Number
79  
37
107  
11
Electron Configuration
[Xe] 4f14 5d10 6s1  
[Rn] 5f14 6d5 7s2  
Crystal Structure
Face Centered Cubic (FCC)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
FCC-Crystal-Structure-of-Gold.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
79  
37
107  
11
Number of Neutrons
118  
24
155  
9
Number of Electrons
79  
37
107  
11
Radius of an Atom
  
  
Atomic Radius
151.00 pm  
34
128.00 pm  
99+
Covalent Radius
144.00 pm  
99+
141.00 pm  
99+
Van der Waals Radius
166.00 pm  
99+
0.00 pm  
99+
Atomic Weight
196.97 amu  
33
270.00 amu  
8
Atomic Volume
10.20 cm3/mol  
99+
23.70 cm3/mol  
14
Adjacent Atomic Numbers
  
  
Previous Element
Platinum
  
Seaborgium
  
Next Element
Mercury
  
Hassium
  
Valence Electron Potential
43.40 (-eV)  
99+
27.20 (-eV)  
99+
Lattice Constant
407.82 pm  
24
-  
Lattice Angles
π/2, π/2, π/2  
-  
Lattice C/A Ratio
1.61  
18
1.57  
99+
Mechanical
Density
  
  
Density At Room Temperature
19.30 g/cm3  
15
37.10 g/cm3  
3
Density When Liquid (at m.p.)
17.31 g/cm3  
16
37.10 g/cm3  
3
Tensile Strength
120.00 MPa  
27
152.00 MPa  
24
Viscosity
0.00  
23
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
25
0.00 (Pa)  
37
Vapor Pressure at 2000 K
67.00 (Pa)  
4
0.00 (Pa)  
37
Elasticity properties
  
  
Shear Modulus
27.00 GPa  
34
28.00 GPa  
32
Bulk Modulus
180.00 GPa  
9
37.00 GPa  
99+
Young's Modulus
79.00 GPa  
26
0.00 GPa  
99+
Poisson Ratio
0.40  
4
0.35  
9
Other Mechanical Properties
Ductile, Malleable  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
19.32  
17
37.00  
5
Magnetic Ordering
Diamagnetic  
-  
Permeability
0.00 H/m  
10
0.00 H/m  
11
Susceptibility
0.00  
22
0.00  
24
Electrical Properties
  
  
Electrical Property
Conductor  
-  
Resistivity
2.20 nΩ·m  
99+
6.50 nΩ·m  
99+
Electrical Conductivity
0.45 106/cm Ω  
3
0.00 106/cm Ω  
99+
Electron Affinity
222.80 kJ/mol  
1
-  
Thermal
Specific Heat
0.13 J/(kg K)  
40
0.10 J/(kg K)  
99+
Molar Heat Capacity
25.42 J/mol·K  
99+
37.10 J/mol·K  
2
Thermal Conductivity
318.00 W/m·K  
3
37.00 W/m·K  
36
Critical Temperature
1,337.00 K  
99+
1,323.00 K  
99+
Thermal Expansion
14.20 µm/(m·K)  
29
14.30 µm/(m·K)  
28
Enthalpy
  
  
Enthalpy of Vaporization
324.40 kJ/mol  
99+
270.50 kJ/mol  
99+
Enthalpy of Fusion
12.55 kJ/mol  
33
-  
Enthalpy of Atomization
364.00 kJ/mol  
34
-  
Standard Molar Entropy
47.40 J/mol.K  
99+
57.00 J/mol.K  
30
Summary >>
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