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Rutherfordium Gold Comparison


Gold Rutherfordium comparison


Periodic Table

Symbol
Rf   
Au   

Group Number
4   
14
11   
7

Period Number
7   
6   

Block
d block   
d block   

Element Family
Transition Metal   
Transition Metal   

CAS Number
53850365   
13
7440575   
31

Space Group Name
Not Available   
Fm_ 3m   

Space Group Number
Not Available   
225.00   
2

Facts

Interesting Facts
  • Rutherfordium does not occur in nature as it is a synthetic element.
  • Till date Rutherfordium metal has 15 radioisotopes created synthetically.
  
  • 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.
  

Sources
Bombarding Plutonium with Accelerated 113 to 115 MeV Neon Ions, Synthetically Produced   
Earth's crust, Mining, Ores of metals   

History
  
  

Who Discovered
Joint Institute for Nuclear Research   
Unknown   

Discovery
In 1964   
Before 6000 BCE   

Abundance
  
  

Abundance In Universe
Not Available   
6 * 10-8 %   
26

Abundance In Sun
~-9999 %   
~0.0000001 %   
26

Abundance In Meteorites
Not Available   
0.00 %   
99+

Abundance In Earth's Crust
Not Available   
0.00 %   
99+

Abundance In Oceans
Not Available   
0.00 %   
21

Abundance In Humans
Not Available   
0.00 %   
18

Uses

Uses & Benefits
  • Currently known uses of Rutherfordium metal are limited to research purpose only.
  
  • 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.
  

Industrial Uses
NA   
Chemical Industry, Clothing Industry, Electrical Industry, Electronic Industry   

Medical Uses
NA   
Dentistry, Pharmaceutical Industry   

Other Uses
Alloys, Research Purposes   
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues   

Biological Properties
  
  

Toxicity
Unknown   
Non Toxic   

Present in Human Body
No   
Yes   

In Blood
0.00 Blood/mg dm-3   
37
0.00 Blood/mg dm-3   
35

In Bone
0.00 p.p.m.   
36
0.02 p.p.m.   
30

Physical Properties

Melting Point
2,100.00 °C   
11
1,064.43 °C   
99+

Boiling Point
5,500.00 °C   
3
2,807.00 °C   
36

Appearance
  
  

Physical State
Solid   
Solid   

Color
Unknown   
Gold   

Luster
Unknown Luster   
Metallic   

Hardness
  
  

Mohs Hardness
Not Available   
2.50   
14

Brinell Hardness
Not Available   
194.00 MPa   
99+

Vickers Hardness
Not Available   
216.00 MPa   
31

Speed of Sound
Not Available   
2,030.00 m/s   
99+

Optical Properties
  
  

Reflectivity
Not Available   
95.00 %   
2

Allotropes
No   
No   

α Allotropes
Not Available   
Not Available   

β Allotropes
Not Available   
Not Available   

γ Allotropes
Not Available   
Not Available   

Chemical Properties

Chemical Formula
Rf   
Au   

Isotopes
  
  

Known Isotopes
13   
26
36   
3

Electronegativity
  
  

Pauling Electronegativity
Not Available   
2.54   
1

Allred Rochow Electronegativity
Not Available   
1.42   
18

Mulliken-Jaffe Electronegativity
Not Available   
1.87   
7

Allen Electronegativity
Not Available   
1.92   
5

Electropositivity
  
  

Pauling Electropositivity
Not Available   
1.46   
99+

Ionization Energies
  
  

1st Energy Level
579.90 kJ/mol   
99+
890.10 kJ/mol   
8

2nd Energy Level
1,389.40 kJ/mol   
99+
1,980.00 kJ/mol   
12

3rd Energy Level
2,296.40 kJ/mol   
99+
Not Available   

4th Energy Level
3,077.90 kJ/mol   
99+
Not Available   

Electrochemical Equivalent
Not Available   
2.45 g/amp-hr   
21

Electron Work Function
Not Available   
5.10 eV   
4

Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Chemical Stability, Ionization, Solubility   

Atomic Properties

Atomic Number
104   
14
79   
37

Electron Configuration
[Rn] 5f14 6d2 7s2   
[Xe] 4f14 5d10 6s1   

Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Gold.jpg#100   

Atom
  
  

Number of Protons
104   
14
79   
37

Number of Neutrons
157   
7
118   
23

Number of Electrons
104   
14
79   
37

Radius of an Atom
  
  

Atomic Radius
150.00 pm   
33
151.00 pm   
32

Covalent Radius
157.00 pm   
31
144.00 pm   
40

Van der Waals Radius
Not Available   
166.00 pm   
39

Atomic Weight
267.00 amu   
11
196.97 amu   
33

Atomic Volume
Not Available   
10.20 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Lawrencium
  
Platinum
  

Next Element
Dubnium
  
Mercury
  

Valence Electron Potential
Not Available   
43.40 (-eV)   
99+

Lattice Constant
Not Available   
407.82 pm   
21

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
1.61   
4

Mechanical Properties

Density
  
  

Density At Room Temperature
23.20 g/cm3   
8
19.30 g/cm3   
15

Density When Liquid (at m.p.)
Not Available   
17.31 g/cm3   
6

Tensile Strength
Not Available   
120.00 MPa   
15

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
23

Vapor Pressure at 2000 K
Not Available   
67.00 (Pa)   
4

Elasticity properties
  
  

Shear Modulus
Not Available   
27.00 GPa   
27

Bulk Modulus
Not Available   
180.00 GPa   
9

Young's Modulus
Not Available   
79.00 GPa   
24

Poisson Ratio
Not Available   
0.40   
4

Other Mechanical Properties
Unknown   
Ductile, Malleable   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
Not Available   
19.32   
8

Magnetic Ordering
Unknown   
Diamagnetic   

Electrical Properties
  
  

Electrical Property
Unknown   
Conductor   

Resistivity
Not Available   
2.20 nΩ·m   
99+

Electrical Conductivity
Not Available   
0.45 106/cm Ω   
3

Electron Affinity
Not Available   
222.80 kJ/mol   
1

Thermal Properties

Specific Heat
Not Available   
0.13 J/(kg K)   
39

Molar Heat Capacity
Not Available   
25.42 J/mol·K   
40

Thermal Conductivity
Not Available   
318.00 W/m·K   
3

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
Not Available   
14.20 µm/(m·K)   
26

Enthalpy
  
  

Enthalpy of Vaporization
Not Available   
324.40 kJ/mol   
27

Enthalpy of Fusion
Not Available   
12.55 kJ/mol   
27

Enthalpy of Atomization
Not Available   
364.00 kJ/mol   
25

Standard Molar Entropy
Not Available   
47.40 J/mol.K   
32

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