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Platinum
Platinum

Mendelevium
Mendelevium



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Platinum vs Mendelevium

1 Periodic Table
1.1 Symbol
Pt
Md
1.2 Group Number
10NA
Gadolinium
0 17
1.4 Period Number
67
Lithium
2 7
1.8 Block
d block
f block
1.9 Element Family
Transition Metal
Actinide
1.10 CAS Number
74400647440111
Aluminium
7429905 54386242
1.11 Space Group Name
Fm_ 3m
Not Available
1.12 Space Group Number
225.00NA
Plutonium
11 229
2 Facts
2.1 Interesting Facts
  • Platinum is the rarest metal from the Precious metal categories..
  • Commercially Platinum is produced as a byproduct in ores of nickel.
  • Mendelevium metal is synthetically produced metal.
  • Mendelevium metal has been produced in only trace amount.
2.2 Sources
Mining, Ores of metals, Ores of Minerals
Bombarding Einsteinium with Helium Ions
2.3 History
2.3.1 Who Discovered
Antonio de Ulloa
Lawrence Berkeley National Laboratory
2.3.2 Discovery
In 1735
In 1955
2.4 Abundance
2.4.1 Abundance In Universe
5 * 10-7 %NA
Thallium
5E-09 0.11
3.4.2 Abundance In Sun
~0.0000009 %~-9999 %
Beryllium
1E-08 0.1
3.4.4 Abundance In Meteorites
0.00 %NA
Gold
1.7E-07 22
3.4.6 Abundance In Earth's Crust
0.00 %NA
Radium
9.9E-12 8.1
3.4.8 Abundance In Oceans
NANA
Protactinium
2E-23 1.1
3.4.9 Abundance In Humans
NANA
Radium
1E-13 1.4
4 Uses
4.1 Uses & Benefits
  • Platinum metal is mainly used in jewellery.
  • Platinum is used as an industrial catalyst in production of nitric acid, silicone and benzene.
  • Currently known uses of Mendelevium metal are limited to research purpose only.
4.1.1 Industrial Uses
Aerospace Industry, Chemical Industry
NA
4.1.2 Medical Uses
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing
NA
4.1.3 Other Uses
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues
NA
4.2 Biological Properties
4.2.1 Toxicity
Non Toxic
Unknown
4.2.2 Present in Human Body
4.2.3 In Blood
NA0.00 Blood/mg dm-3
Plutonium
0 1970
4.2.5 In Bone
NA0.00 p.p.m.
Plutonium
0 170000
6 Physical
6.1 Melting Point
1,772.00 °C827.00 °C
Francium
27 3410
6.2 Boiling Point
3,827.00 °CNA
Flerovium
147 5660
7.2 Appearance
7.2.1 Physical State
Solid
Solid
7.2.2 Color
Silvery White
Unknown
7.2.3 Luster
Metallic
Metallic
7.3 Hardness
7.3.1 Mohs Hardness
3.50NA
Cesium
0.2 8.5
7.4.1 Brinell Hardness
300.00 MPaNA
Cesium
0.14 3490
7.4.2 Vickers Hardness
400.00 MPaNA
Palladium
121 3430
7.7 Speed of Sound
2,800.00 m/sNA
Thallium
818 16200
7.8 Optical Properties
7.8.1 Refractive Index
NANA
Mercury
1.000933 1.7229
7.8.2 Reflectivity
73.00 %NA
Molybdenum
58 97
7.9 Allotropes
7.9.1 α Allotropes
Not Available
Not Available
7.9.2 β Allotropes
Not Available
Not Available
7.9.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
Pt
Md
8.2 Isotopes
8.2.1 Known Isotopes
3516
Tennessine
0 38
8.3 Electronegativity
8.3.1 Pauling Electronegativity
2.281.30
Francium
0.7 2.54
8.3.3 Sanderson Electronegativity
NANA
Cesium
0.22 2.56
8.4.1 Allred Rochow Electronegativity
1.441.20
Cesium
0.86 1.82
8.4.2 Mulliken-Jaffe Electronegativity
NANA
Cesium
0.62 2.48
8.5.3 Allen Electronegativity
1.72NA
Cesium
0.659 2.7
9.3 Electropositivity
9.3.1 Pauling Electropositivity
1.722.70
Gold
1.46 3.3
9.5 Ionization Energies
9.5.1 1st Energy Level
870.00 kJ/mol635.00 kJ/mol
Cesium
375.7 26130
9.5.3 2nd Energy Level
1,791.00 kJ/mol1,235.00 kJ/mol
Ruthenium
710.2162 28750
9.5.4 3rd Energy Level
NA2,470.00 kJ/mol
Osmium
1600 34230
9.5.7 4th Energy Level
NA3,840.00 kJ/mol
Thorium
2780 37066
9.5.9 5th Energy Level
NANA
Dubnium
4305.2 97510
9.5.10 6th Energy Level
NANA
Seaborgium
5715.8 105800
9.6.2 7th Energy level
NANA
Bohrium
7226.8 114300
9.7.2 8th Energy Level
NANA
Hassium
8857.4 125300
9.7.4 9th Energy Level
NANA
Yttrium
14110 134700
9.7.5 10th Energy Level
NANA
Strontium
17100 144300
9.7.7 11th Energy Level
NANA
Yttrium
19900 169988
9.7.8 12th Energy Level
NANA
Molybdenum
22219 189368
9.7.10 13th Energy Level
NANA
Molybdenum
26930 76015
9.7.12 14th Energy Level
NANA
Molybdenum
29196 86450
9.7.13 15th Energy Level
NANA
Manganese
41987 97510
9.7.15 16th Energy Level
NANA
Iron
47206 109480
9.7.17 17th Energy Level
NANA
Cobalt
52737 122200
9.7.18 18th Energy Level
NANA
Nickel
58570 134810
9.7.20 19th Energy Level
NANA
Copper
64702 148700
9.7.21 20th Energy Level
NANA
Molybdenum
80400 171200
9.7.23 21st Energy Level
NANA
Molybdenum
87000 179100
9.7.25 22nd Energy Level
NANA
Molybdenum
93400 184900
9.7.26 23rd Energy Level
NANA
Molybdenum
98420 198800
9.7.28 24th Energy Level
NANA
Molybdenum
104400 195200
9.7.29 25th Energy Level
NANA
Molybdenum
121900 121900
9.7.31 26th Energy Level
NANA
Molybdenum
127700 127700
9.7.33 27th Energy Level
NANA
Molybdenum
133800 133800
9.7.34 28th Energy Level
NANA
Molybdenum
139800 139800
9.7.36 29th Energy Level
NANA
Molybdenum
148100 148100
9.7.37 30th Energy Level
NANA
Molybdenum
154500 154500
9.8 Electrochemical Equivalent
1.82 g/amp-hr3.21 g/amp-hr
Beryllium
0.16812 8.3209
9.9 Electron Work Function
5.65 eVNA
Cesium
2.14 5.65
9.10 Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization
Ionization, Radioactive Isotopes, Radioactivity
10 Atomic
10.1 Atomic Number
78101
Lithium
3 117
10.2 Electron Configuration
[Xe] 4f14 5d9 6s1
[Rn] 5f13 7s2
10.3 Crystal Structure
Face Centered Cubic (FCC)
Not Known
10.3.1 Crystal Lattice
10.4 Atom
10.4.1 Number of Protons
78101
Lithium
3 117
10.4.3 Number of Neutrons
117157
Lithium
4 184
10.4.7 Number of Electrons
78101
Lithium
3 117
10.5 Radius of an Atom
10.5.1 Atomic Radius
139.00 pmNA
Beryllium
112 265
10.5.3 Covalent Radius
136.00 pmNA
Beryllium
96 260
10.5.4 Van der Waals Radius
175.00 pm246.00 pm
Zinc
139 348
10.6 Atomic Weight
47.87 amu258.00 amu
Lithium
6.94 294
10.7 Atomic Volume
9.09 cm3/molNA
Manganese
1.39 71.07
10.8 Adjacent Atomic Numbers
10.8.1 Previous Element
10.8.2 Next Element
10.9 Valence Electron Potential
392.42 (-eV)NA
Francium
8 392.42
10.10 Lattice Constant
392.42 pmNA
Beryllium
228.58 891.25
10.11 Lattice Angles
π/2, π/2, π/2
NA
10.12 Lattice C/A Ratio
NANA
Beryllium
1.567 1.886
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
21.45 g/cm3NA
Lithium
0.534 40.7
11.1.3 Density When Liquid (at m.p.)
19.77 g/cm3NA
Lithium
0.512 20
11.3 Tensile Strength
125.00 MPaNA
Indium
2.5 11000
11.4 Viscosity
NANA
Mercury
0.001526 0.001526
11.5 Vapor Pressure
11.5.1 Vapor Pressure at 1000 K
NANA
Cerium
2.47E-11 121
11.6.1 Vapor Pressure at 2000 K
0.07 (Pa)NA
Tungsten
2.62E-10 774
11.7 Elasticity properties
11.7.1 Shear Modulus
61.00 GPaNA
Potassium
1.3 222
12.4.2 Bulk Modulus
230.00 GPaNA
Cesium
1.6 462
12.4.4 Young's Modulus
168.00 GPaNA
Cesium
1.7 528
12.5 Poisson Ratio
0.38NA
Beryllium
0.032 0.47
12.6 Other Mechanical Properties
Ductile, Malleable
Unknown
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
21.45NA
Lithium
0.53 4500
13.1.2 Magnetic Ordering
Paramagnetic
Unknown
13.1.3 Permeability
0.00 H/mNA
Bismuth
1.25643E-06 0.0063
13.2.2 Susceptibility
NANA
Bismuth
-0.000166 200000
1.2 Electrical Properties
1.2.1 Electrical Property
Conductor
Unknown
1.2.2 Resistivity
105.00 nΩ·mNA
Thallium
0.18 961
1.2.6 Electrical Conductivity
0.10 106/cm ΩNA
Plutonium
0.00666 0.63
1.2.9 Electron Affinity
205.30 kJ/molNA
Mercury
0 222.8
2 Thermal
2.1 Specific Heat
0.13 J/(kg K)NA
Americium
0.11 3.6
2.3 Molar Heat Capacity
25.86 J/mol·KNA
Beryllium
16.443 62.7
2.4 Thermal Conductivity
71.60 W/m·KNA
Neptunium
6.3 429
2.6 Critical Temperature
NANA
Ytterbium
26.3 3223
2.7 Thermal Expansion
8.80 µm/(m·K)NA
Tungsten
4.5 97
2.10 Enthalpy
2.10.1 Enthalpy of Vaporization
510.50 kJ/molNA
Zinc
7.32 799.1
2.10.2 Enthalpy of Fusion
19.70 kJ/molNA
Cesium
2.1 35.23
2.11.1 Enthalpy of Atomization
565.00 kJ/molNA
Mercury
61.5 837
2.12 Standard Molar Entropy
41.60 J/mol.KNA
Beryllium
9.5 198.1