Symbol
Pt
  
Fr
  
Period Number
6
  
7
  
Block
d block
  
s block
  
Element Family
Transition Metal
  
Alkali
  
Space Group Name
Fm_ 3m
  
Not Available
  
Space Group Number
Not Available
  
Interesting Facts
- Platinum is the rarest metal from the Precious metal categories..
- Commercially Platinum is produced as a byproduct in ores of nickel.
  
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
  
Sources
Mining, Ores of metals, Ores of Minerals
  
Formed by Decay Process, Mining
  
History
  
  
Who Discovered
Antonio de Ulloa
  
Marguerite Perey
  
Discovery
In 1735
  
In 1939
  
Abundance
  
  
Abundance In Universe
Not Available
  
Abundance In Sun
~0.0000009 %
  
19
~-9999 %
  
Abundance In Meteorites
Not Available
  
Abundance In Earth's Crust
Not Available
  
Uses & Benefits
- Platinum metal is mainly used in jewellery.
-
Platinum is used as an industrial catalyst in production of nitric acid, silicone and benzene.
  
- Francium has no known uses as it has a half life of only 22 minutes.
  
Industrial Uses
Aerospace Industry, Chemical Industry
  
NA
  
Medical Uses
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing
  
NA
  
Other Uses
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues
  
NA
  
Biological Properties
  
  
Toxicity
Non Toxic
  
NA
  
Present in Human Body
No
  
No
  
In Blood
Not Available
  
0.00 Blood/mg dm-3
  
37
In Bone
Not Available
  
0.00 p.p.m.
  
36
Melting Point
1,772.00 °C
  
16
Boiling Point
3,827.00 °C
  
15
Appearance
  
  
Physical State
Solid
  
Solid
  
Color
Silvery White
  
NA
  
Luster
Metallic
  
NA
  
Hardness
  
  
Mohs Hardness
Not Available
  
Brinell Hardness
Not Available
  
Vickers Hardness
Not Available
  
Speed of Sound
2,800.00 m/s
  
29
Not Available
  
Optical Properties
  
  
Reflectivity
Not Available
  
Allotropes
No
  
No
  
α Allotropes
Not Available
  
Not Available
  
β Allotropes
Not Available
  
Not Available
  
γ Allotropes
Not Available
  
Not Available
  
Chemical Formula
Pt
  
Fr
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Allred Rochow Electronegativity
Mulliken-Jaffe Electronegativity
Not Available
  
Electropositivity
  
  
Pauling Electropositivity
Ionization Energies
  
  
1st Energy Level
870.00 kJ/mol
  
10
380.00 kJ/mol
  
99+
2nd Energy Level
1,791.00 kJ/mol
  
21
Not Available
  
Electrochemical Equivalent
1.82 g/amp-hr
  
35
8.32 g/amp-hr
  
1
Electron Work Function
Not Available
  
Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization
  
Ionization, Radioactive Isotopes, Radioactivity, Solubility
  
Electron Configuration
[Xe] 4f14 5d9 6s1
  
[Rn] 7s1
  
Crystal Structure
Face Centered Cubic (FCC)
  
Body Centered Cubic (BCC)
  
Crystal Lattice
FCC-Crystal-Structure-of-Platinum.jpg#100
  
BCC-Crystal-Structure-.jpg#100
  
Atom
  
  
Radius of an Atom
  
  
Atomic Radius
Not Available
  
Atomic Volume
9.09 cm3/mol
  
99+
Not Available
  
Adjacent Atomic Numbers
  
  
Valence Electron Potential
392.42 (-eV)
  
1
8.00 (-eV)
  
99+
Lattice Constant
Not Available
  
Lattice Angles
π/2, π/2, π/2
  
NA
  
Lattice C/A Ratio
Not Available
  
Not Available
  
Density
  
  
Density At Room Temperature
21.45 g/cm3
  
11
1.87 g/cm3
  
99+
Density When Liquid (at m.p.)
Not Available
  
Tensile Strength
Not Available
  
Viscosity
Not Available
  
Not Available
  
Vapor Pressure
  
  
Vapor Pressure at 2000 K
Not Available
  
Elasticity properties
  
  
Shear Modulus
Not Available
  
Bulk Modulus
Not Available
  
Young's Modulus
Not Available
  
Poisson Ratio
Not Available
  
Other Mechanical Properties
Ductile, Malleable
  
NA
  
Magnetic Characteristics
  
  
Specific Gravity
Not Available
  
Magnetic Ordering
Paramagnetic
  
Paramagnetic
  
Permeability
Not Available
  
Electrical Properties
  
  
Electrical Property
Conductor
  
Poor Conductor
  
Resistivity
105.00 nΩ·m
  
30
Electrical Conductivity
0.10 106/cm Ω
  
21
0.03 106/cm Ω
  
40
Electron Affinity
205.30 kJ/mol
  
2
Not Available
  
Specific Heat
0.13 J/(kg K)
  
39
Not Available
  
Molar Heat Capacity
25.86 J/mol·K
  
35
Not Available
  
Thermal Conductivity
71.60 W/m·K
  
24
15.00 W/m·K
  
99+
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
8.80 µm/(m·K)
  
99+
Not Available
  
Enthalpy
  
  
Enthalpy of Vaporization
510.50 kJ/mol
  
11
Not Available
  
Enthalpy of Fusion
19.70 kJ/mol
  
12
Not Available
  
Enthalpy of Atomization
565.00 kJ/mol
  
11
71.00 kJ/mol
  
99+
Standard Molar Entropy
41.60 J/mol.K
  
36
Not Available