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Ruthenium
Ruthenium

Platinum
Platinum



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Ruthenium
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Ruthenium vs Platinum

1 Periodic Table
1.1 Symbol
Ru
Pt
1.2 Group Number
810
0 17
1.3 Period Number
56
2 7
1.4 Block
d block
d block
1.5 Element Family
Transition Metal
Transition Metal
1.6 CAS Number
74401887440064
7429905 54386242
1.7 Space Group Name
P63/mmc
Fm_ 3m
1.8 Space Group Number
194.00225.00
11 229
2 Facts
2.1 Interesting Facts
  • Ruthenium element has been extracted from used nuclear fuel.
  • Ruthenium metal also produces as a by-product of the Nickel mining.
  • Platinum is the rarest metal from the Precious metal categories..
  • Commercially Platinum is produced as a byproduct in ores of nickel.
2.2 Sources
By-product of Nickel Refining, Found in Minerals, Mining
Mining, Ores of metals, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Karl Ernst Claus
Antonio de Ulloa
2.3.2 Discovery
In 1844
In 1735
2.4 Abundance
2.4.1 Abundance In Universe
4 * 10-7 %5 * 10-7 %
5E-09 0.11
2.4.2 Abundance In Sun
~0.0000005 %~0.0000009 %
1E-08 0.1
2.4.3 Abundance In Meteorites
0.00 %0.00 %
1.7E-07 22
2.4.4 Abundance In Earth's Crust
0.00 %0.00 %
9.9E-12 8.1
2.4.5 Abundance In Oceans
0.00 %NA
2E-23 1.1
2.4.6 Abundance In Humans
NANA
1E-13 1.4
3 Uses
3.1 Uses & Benefits
  • It is used for producing chip resistors and contact.
  • Ruthenium oxide is used to coat the anodes cells for chlorine production in chemical industry. It also works as catalysts for ammonia and acetic acid reaction.
  • Platinum metal is mainly used in jewellery.
  • Platinum is used as an industrial catalyst in production of nitric acid, silicone and benzene.
3.1.1 Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
Aerospace Industry, Chemical Industry
3.1.2 Medical Uses
Medical Research
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing
3.1.3 Other Uses
Alloys
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues
3.2 Biological Properties
3.2.1 Toxicity
Low Toxic
Non Toxic
3.2.2 Present in Human Body
3.2.3 In Blood
NANA
0 1970
3.2.4 In Bone
NANA
0 170000
4 Physical
4.1 Melting Point
2,250.00 °C1,772.00 °C
27 3410
4.2 Boiling Point
3,900.00 °C3,827.00 °C
147 5660
4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Silvery White
Silvery White
4.3.3 Luster
Metallic
Metallic
4.4 Hardness
4.4.1 Mohs Hardness
6.503.50
0.2 8.5
4.4.2 Brinell Hardness
2,160.00 MPa300.00 MPa
0.14 3490
4.4.3 Vickers Hardness
NA400.00 MPa
121 3430
4.5 Speed of Sound
5,970.00 m/s2,800.00 m/s
818 16200
4.6 Optical Properties
4.6.1 Refractive Index
NANA
1.000933 1.7229
4.6.2 Reflectivity
NA73.00 %
58 97
4.7 Allotropes
4.7.1 α Allotropes
Not Available
Not Available
4.7.2 β Allotropes
Not Available
Not Available
4.7.3 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
Ru
Pt
5.2 Isotopes
5.2.1 Known Isotopes
2635
0 38
5.3 Electronegativity
5.3.1 Pauling Electronegativity
2.202.28
0.7 2.54
5.3.2 Sanderson Electronegativity
NANA
0.22 2.56
5.3.3 Allred Rochow Electronegativity
1.421.44
0.86 1.82
5.3.4 Mulliken-Jaffe Electronegativity
NANA
0.62 2.48
5.3.5 Allen Electronegativity
1.541.72
0.659 2.7
5.4 Electropositivity
5.4.1 Pauling Electropositivity
1.801.72
1.46 3.3
5.5 Ionization Energies
5.5.1 1st Energy Level
710.20 kJ/mol870.00 kJ/mol
375.7 26130
5.5.2 2nd Energy Level
710.22 kJ/mol1,791.00 kJ/mol
710.2162 28750
5.5.3 3rd Energy Level
2,747.00 kJ/molNA
1600 34230
5.5.4 4th Energy Level
NANA
2780 37066
5.5.5 5th Energy Level
NANA
4305.2 97510
5.5.6 6th Energy Level
NANA
5715.8 105800
5.5.7 7th Energy level
NANA
7226.8 114300
5.5.8 8th Energy Level
NANA
8857.4 125300
5.5.9 9th Energy Level
NANA
14110 134700
5.5.10 10th Energy Level
NANA
17100 144300
5.5.11 11th Energy Level
NANA
19900 169988
5.5.12 12th Energy Level
NANA
22219 189368
5.5.13 13th Energy Level
NANA
26930 76015
5.5.14 14th Energy Level
NANA
29196 86450
5.5.15 15th Energy Level
NANA
41987 97510
5.5.16 16th Energy Level
NANA
47206 109480
5.5.17 17th Energy Level
NANA
52737 122200
5.5.18 18th Energy Level
NANA
58570 134810
5.5.19 19th Energy Level
NANA
64702 148700
5.5.20 20th Energy Level
NANA
80400 171200
5.5.21 21st Energy Level
NANA
87000 179100
5.5.22 22nd Energy Level
NANA
93400 184900
5.5.23 23rd Energy Level
NANA
98420 198800
5.5.24 24th Energy Level
NANA
104400 195200
5.5.25 25th Energy Level
NANA
121900 121900
5.5.26 26th Energy Level
NANA
127700 127700
5.5.27 27th Energy Level
NANA
133800 133800
5.5.28 28th Energy Level
NANA
139800 139800
5.5.29 29th Energy Level
NANA
148100 148100
5.5.30 30th Energy Level
NANA
154500 154500
5.6 Electrochemical Equivalent
1.26 g/amp-hr1.82 g/amp-hr
0.16812 8.3209
5.7 Electron Work Function
4.71 eV5.65 eV
2.14 5.65
5.8 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
Chemical Stability, Anti Corrosion, Ionization
6 Atomic
6.1 Atomic Number
4478
3 117
6.2 Electron Configuration
[Kr] 4d7 5s1
[Xe] 4f14 5d9 6s1
6.3 Crystal Structure
Hexagonal Close Packed (HCP)
Face Centered Cubic (FCC)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
4478
3 117
6.4.2 Number of Neutrons
57117
4 184
6.4.3 Number of Electrons
4478
3 117
6.5 Radius of an Atom
6.5.1 Atomic Radius
134.00 pm139.00 pm
112 265
6.5.2 Covalent Radius
146.00 pm136.00 pm
96 260
6.5.3 Van der Waals Radius
200.00 pm175.00 pm
139 348
6.6 Atomic Weight
101.07 amu47.87 amu
6.94 294
6.7 Atomic Volume
8.30 cm3/mol9.09 cm3/mol
1.39 71.07
6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
64.00 (-eV)392.42 (-eV)
8 392.42
6.10 Lattice Constant
270.59 pm392.42 pm
228.58 891.25
6.11 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
6.12 Lattice C/A Ratio
1.58NA
1.567 1.886
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
12.45 g/cm321.45 g/cm3
0.534 40.7
7.1.2 Density When Liquid (at m.p.)
10.65 g/cm319.77 g/cm3
0.512 20
7.2 Tensile Strength
NA125.00 MPa
2.5 11000
7.3 Viscosity
NANA
0.001526 0.001526
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
NANA
2.47E-11 121
7.4.2 Vapor Pressure at 2000 K
0.00 (Pa)0.07 (Pa)
2.62E-10 774
7.5 Elasticity properties
7.5.1 Shear Modulus
173.00 GPa61.00 GPa
1.3 222
7.5.2 Bulk Modulus
220.00 GPa230.00 GPa
1.6 462
7.5.3 Young's Modulus
447.00 GPa168.00 GPa
1.7 528
7.6 Poisson Ratio
0.300.38
0.032 0.47
7.7 Other Mechanical Properties
Ductile, Malleable
Ductile, Malleable
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
12.4521.45
0.53 4500
8.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
8.1.3 Permeability
NA0.00 H/m
1.25643E-06 0.0063
8.1.4 Susceptibility
NANA
-0.000166 200000
8.2 Electrical Properties
8.2.1 Electrical Property
Conductor
Conductor
8.2.2 Resistivity
71.00 nΩ·m105.00 nΩ·m
0.18 961
8.2.3 Electrical Conductivity
0.14 106/cm Ω0.10 106/cm Ω
0.00666 0.63
8.2.4 Electron Affinity
101.30 kJ/mol205.30 kJ/mol
0 222.8
9 Thermal
9.1 Specific Heat
0.24 J/(kg K)0.13 J/(kg K)
0.11 3.6
9.2 Molar Heat Capacity
24.06 J/mol·K25.86 J/mol·K
16.443 62.7
9.3 Thermal Conductivity
117.00 W/m·K71.60 W/m·K
6.3 429
9.4 Critical Temperature
NANA
26.3 3223
9.5 Thermal Expansion
6.40 µm/(m·K)8.80 µm/(m·K)
4.5 97
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
567.80 kJ/mol510.50 kJ/mol
7.32 799.1
9.6.2 Enthalpy of Fusion
25.50 kJ/mol19.70 kJ/mol
2.1 35.23
9.6.3 Enthalpy of Atomization
603.00 kJ/mol565.00 kJ/mol
61.5 837
9.7 Standard Molar Entropy
28.50 J/mol.K41.60 J/mol.K
9.5 198.1