Home

Transition Metals + -

Actinide Metals + -

Lanthanide Metals + -

Post-Transition Metals + -

Alkaline Earth Metals + -

Compare Metals

Zirconium vs Platinum

Zirconium
Platinum
Platinum vs Zirconium


Periodic Table
Symbol
Zr   
Pt   
Group Number
4   
14
10   
8
Period Number
5   
6   
Block
d block   
d block   
Element Family
Transition Metal   
Transition Metal   
CAS Number
7440677   
23
7440064   
99+
Space Group Name
P63/mmc   
Fm_ 3m   
Space Group Number
194.00   
5
225.00   
2
Facts
Interesting Facts
  • Zirconium metal can resist to weak acids.
  • Zirconium metal reacts with oxygen and nitrogen in the atmosphere.
  
  • Platinum is the rarest metal from the Precious metal categories..
  • Commercially Platinum is produced as a byproduct in ores of nickel.
  
Sources
Found in Minerals, Mining, Ores of Minerals   
Mining, Ores of metals, Ores of Minerals   
History
  
  
Who Discovered
Martin Heinrich Klaproth   
Antonio de Ulloa   
Discovery
In 1789   
In 1735   
Abundance
  
  
Abundance In Universe
5 * 10-6 %   
13
5 * 10-7 %   
19
Abundance In Sun
~0.000004 %   
16
~0.0000009 %   
19
Abundance In Meteorites
0.00 %   
17
0.00 %   
25
Abundance In Earth's Crust
0.01 %   
14
0.00 %   
99+
Abundance In Oceans
0.00 %   
23
Not Available   
Abundance In Humans
0.00 %   
15
Not Available   
Uses
Uses & Benefits
  • As this metal does not absorb neutrons; It is used in nuclear power stations.
  • Its oxide is used in ultra strong ceramics. It is also used in manufacturing Crucibles.
  
  • Platinum metal is mainly used in jewellery.
  • Platinum is used as an industrial catalyst in production of nitric acid, silicone and benzene.
  
Industrial Uses
Aerospace Industry, Ammunition Industry   
Aerospace Industry, Chemical Industry   
Medical Uses
NA   
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing   
Other Uses
Alloys, Nuclear Research, Research Purposes   
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues   
Biological Properties
  
  
Toxicity
NA   
Non Toxic   
Present in Human Body
Yes   
No   
In Blood
0.01 Blood/mg dm-3   
21
Not Available   
In Bone
0.10 p.p.m.   
23
Not Available   
Physical Properties
Melting Point
1,852.00 °C   
15
1,772.00 °C   
16
Boiling Point
4,377.00 °C   
11
3,827.00 °C   
15
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silvery White   
Luster
Lustrous   
Metallic   
Hardness
  
  
Mohs Hardness
5.00   
8
3.50   
11
Brinell Hardness
638.00 MPa   
19
300.00 MPa   
34
Vickers Hardness
820.00 MPa   
15
400.00 MPa   
25
Speed of Sound
3,800.00 m/s   
20
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
Zr   
Pt   
Isotopes
  
  
Known Isotopes
24   
15
35   
4
Electronegativity
  
  
Pauling Electronegativity
1.33   
30
2.28   
3
Sanderson Electronegativity
0.90   
25
Not Available   
Allred Rochow Electronegativity
1.22   
26
1.44   
17
Allen Electronegativity
1.32   
34
1.72   
16
Electropositivity
  
  
Pauling Electropositivity
2.67   
24
1.72   
99+
Ionization Energies
  
  
1st Energy Level
640.10 kJ/mol   
99+
870.00 kJ/mol   
10
2nd Energy Level
1,270.00 kJ/mol   
99+
1,791.00 kJ/mol   
21
3rd Energy Level
2,218.00 kJ/mol   
99+
Not Available   
4th Energy Level
3,313.00 kJ/mol   
99+
Not Available   
5th Energy Level
7,752.00 kJ/mol   
10
Not Available   
6th Energy Level
9,500.00 kJ/mol   
15
Not Available   
Electrochemical Equivalent
0.85 g/amp-hr   
99+
1.82 g/amp-hr   
35
Electron Work Function
4.05 eV   
26
5.65 eV   
1
Other Chemical Properties
Anti Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility   
Chemical Stability, Anti Corrosion, Ionization   
Atomic Properties
Atomic Number
40   
99+
78   
38
Electron Configuration
[Kr] 4d2 5s2   
[Xe] 4f14 5d9 6s1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   
Crystal Lattice
HCP-Crystal-Structure-of-Zirconium.jpg#100   
FCC-Crystal-Structure-of-Platinum.jpg#100   
Atom
  
  
Number of Protons
40   
99+
78   
38
Number of Neutrons
51   
99+
117   
24
Number of Electrons
40   
99+
78   
38
Radius of an Atom
  
  
Atomic Radius
160.00 pm   
27
139.00 pm   
39
Covalent Radius
175.00 pm   
23
136.00 pm   
99+
Van der Waals Radius
200.00 pm   
28
175.00 pm   
36
Atomic Weight
91.22 amu   
99+
47.87 amu   
99+
Atomic Volume
14.10 cm3/mol   
36
9.09 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Yttrium
  
Iridium
  
Next Element
Niobium
  
Gold
  
Valence Electron Potential
80.00 (-eV)   
18
392.42 (-eV)   
1
Lattice Constant
323.20 pm   
99+
392.42 pm   
24
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.59   
8
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
6.52 g/cm3   
99+
21.45 g/cm3   
11
Density When Liquid (at m.p.)
5.80 g/cm3   
99+
19.77 g/cm3   
2
Tensile Strength
330.00 MPa   
12
125.00 MPa   
14
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 2000 K
0.00 (Pa)   
21
0.07 (Pa)   
18
Elasticity properties
  
  
Shear Modulus
33.00 GPa   
20
61.00 GPa   
14
Bulk Modulus
91.10 GPa   
17
230.00 GPa   
6
Young's Modulus
88.00 GPa   
22
168.00 GPa   
14
Poisson Ratio
0.34   
10
0.38   
6
Other Mechanical Properties
Ductile, Malleable   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
6.51   
99+
21.45   
4
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Permeability
Not Available   
0.00 H/m   
3
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
421.00 nΩ·m   
11
105.00 nΩ·m   
30
Electrical Conductivity
0.02 106/cm Ω   
99+
0.10 106/cm Ω   
21
Electron Affinity
41.10 kJ/mol   
27
205.30 kJ/mol   
2
Thermal Properties
Specific Heat
0.27 J/(kg K)   
19
0.13 J/(kg K)   
39
Molar Heat Capacity
25.36 J/mol·K   
99+
25.86 J/mol·K   
35
Thermal Conductivity
22.60 W/m·K   
99+
71.60 W/m·K   
24
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
5.70 µm/(m·K)   
99+
8.80 µm/(m·K)   
99+
Enthalpy
  
  
Enthalpy of Vaporization
581.60 kJ/mol   
9
510.50 kJ/mol   
11
Enthalpy of Fusion
20.90 kJ/mol   
11
19.70 kJ/mol   
12
Enthalpy of Atomization
598.00 kJ/mol   
10
565.00 kJ/mol   
11
Standard Molar Entropy
39.00 J/mol.K   
39
41.60 J/mol.K   
36
Periodic Table >>
<< All

Compare Transition Metals

Transition Metals

Transition Metals

» More Transition Metals

Compare Transition Metals

» More Compare Transition Metals
Home | About | Contact | Disclaimer | Terms of use
© A softusvista inc. venture!