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Roentgenium vs Platinum


Platinum vs Roentgenium


Periodic Table

Symbol
Rg   
Pt   

Group Number
11   
7
10   
8

Period Number
7   
6   

Block
d block   
d block   

Element Family
Unknown   
Transition Metal   

CAS Number
54386242   
1
7440064   
99+

Space Group Name
Not Available   
Fm_ 3m   

Space Group Number
194.00   
5
225.00   
2

Facts

Interesting Facts
Not Available   
  • Platinum is the rarest metal from the Precious metal categories..
  • Commercially Platinum is produced as a byproduct in ores of nickel.
  

Sources
Synthetically Produced   
Mining, Ores of metals, Ores of Minerals   

History
  
  

Who Discovered
Gesellschaft für Schwerionenforschung   
Antonio de Ulloa   

Discovery
In 1994   
In 1735   

Abundance
  
  

Abundance In Universe
Not Available   
5 * 10-7 %   
19

Abundance In Sun
~-9999 %   
~0.0000009 %   
19

Abundance In Meteorites
Not Available   
0.00 %   
25

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

Uses

Uses & Benefits
  • Currently known uses of Roentgenium metal are limited to research purpose only.
  
  • Platinum metal is mainly used in jewellery.
  • Platinum is used as an industrial catalyst in production of nitric acid, silicone and benzene.
  

Industrial Uses
NA   
Aerospace Industry, Chemical Industry   

Medical Uses
NA   
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing   

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

Biological Properties
  
  

Toxicity
Unknown   
Non Toxic   

Present in Human Body
No   
No   

In Blood
0.00 Blood/mg dm-3   
37
Not Available   

In Bone
0.00 p.p.m.   
36
Not Available   

Physical Properties

Melting Point
Not Available   
1,772.00 °C   
16

Boiling Point
Not Available   
3,827.00 °C   
15

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silver   
Silvery White   

Luster
Unknown Luster   
Metallic   

Hardness
  
  

Mohs Hardness
Not Available   
3.50   
11

Brinell Hardness
Not Available   
300.00 MPa   
34

Vickers Hardness
Not Available   
400.00 MPa   
25

Speed of Sound
Not Available   
2,800.00 m/s   
29

Optical Properties
  
  

Reflectivity
Not Available   
73.00 %   
8

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
Rg   
Pt   

Isotopes
  
  

Known Isotopes
1   
34
35   
4

Electronegativity
  
  

Pauling Electronegativity
Not Available   
2.28   
3

Allred Rochow Electronegativity
Not Available   
1.44   
17

Allen Electronegativity
Not Available   
1.72   
16

Electropositivity
  
  

Pauling Electropositivity
Not Available   
1.72   
99+

Ionization Energies
  
  

1st Energy Level
1,022.70 kJ/mol   
3
870.00 kJ/mol   
10

2nd Energy Level
2,074.40 kJ/mol   
10
1,791.00 kJ/mol   
21

3rd Energy Level
3,077.90 kJ/mol   
24
Not Available   

4th Energy Level
4,052.40 kJ/mol   
36
Not Available   

5th Energy Level
5,306.70 kJ/mol   
31
Not Available   

Electrochemical Equivalent
Not Available   
1.82 g/amp-hr   
35

Electron Work Function
Not Available   
5.65 eV   
1

Other Chemical Properties
NA   
Chemical Stability, Anti Corrosion, Ionization   

Atomic Properties

Atomic Number
111   
7
78   
38

Electron Configuration
[Rn] 5f14 6d9 7s2   
[Xe] 4f14 5d9 6s1   

Crystal Structure
Body Centered Cubic (BCC)   
Face Centered Cubic (FCC)   

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

Atom
  
  

Number of Protons
111   
7
78   
38

Number of Neutrons
161   
3
117   
24

Number of Electrons
111   
7
78   
38

Radius of an Atom
  
  

Atomic Radius
Not Available   
139.00 pm   
39

Covalent Radius
Not Available   
136.00 pm   
99+

Van der Waals Radius
Not Available   
175.00 pm   
36

Atomic Weight
281.00 amu   
6
47.87 amu   
99+

Atomic Volume
Not Available   
9.09 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Iridium
  

Next Element
Gold
  

Valence Electron Potential
Not Available   
392.42 (-eV)   
1

Lattice Constant
Not Available   
392.42 pm   
24

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
28.70 g/cm3   
6
21.45 g/cm3   
11

Density When Liquid (at m.p.)
Not Available   
19.77 g/cm3   
2

Tensile Strength
Not Available   
125.00 MPa   
14

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 2000 K
Not Available   
0.07 (Pa)   
18

Elasticity properties
  
  

Shear Modulus
Not Available   
61.00 GPa   
14

Bulk Modulus
Not Available   
230.00 GPa   
6

Young's Modulus
Not Available   
168.00 GPa   
14

Poisson Ratio
Not Available   
0.38   
6

Other Mechanical Properties
Unknown   
Ductile, Malleable   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
Not Available   
21.45   
4

Magnetic Ordering
Unknown   
Paramagnetic   

Permeability
Not Available   
0.00 H/m   
3

Electrical Properties
  
  

Electrical Property
Unknown   
Conductor   

Resistivity
Not Available   
105.00 nΩ·m   
30

Electrical Conductivity
Not Available   
0.10 106/cm Ω   
21

Electron Affinity
Not Available   
205.30 kJ/mol   
2

Thermal Properties

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

Molar Heat Capacity
Not Available   
25.86 J/mol·K   
35

Thermal Conductivity
Not Available   
71.60 W/m·K   
24

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
Not Available   
8.80 µm/(m·K)   
99+

Enthalpy
  
  

Enthalpy of Vaporization
Not Available   
510.50 kJ/mol   
11

Enthalpy of Fusion
Not Available   
19.70 kJ/mol   
12

Enthalpy of Atomization
Not Available   
565.00 kJ/mol   
11

Standard Molar Entropy
Not Available   
41.60 J/mol.K   
36

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