Home
 Compare Metals

Platinum vs Zinc

Platinum
Zinc
Zinc vs Platinum


Periodic Table
Symbol
Pt  
Zn  
Group Number
10  
8
12  
6
Period Number
6  
4  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
7440064  
99+
7440666  
24
Space Group Name
Fm_ 3m  
P63/mmc  
Space Group Number
225.00  
3
194.00  
7
Facts
Interesting Facts
  • Platinum is the rarest metal from the Precious metal categories..
  • Commercially Platinum is produced as a byproduct in ores of nickel.
  
  • Zinc metal found (obtain) in many forms like granules, foil, dust and in a powder form.
  • The leading producers of Zinc metal are Australia, Canada, China, U.S.A and Peru.
  
Sources
Mining, Ores of metals, Ores of Minerals  
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Antonio de Ulloa  
Indian metallurgists  
Discovery
In 1735  
Before 1000 BCE  
Abundance
  
  
Abundance In Universe
0.00 %  
20
0.00 %  
12
Abundance In Sun
0.00 %  
19
0.00 %  
10
Abundance In Meteorites
0.00 %  
25
0.02 %  
12
Abundance In Earth's Crust
0.00 %  
99+
0.01 %  
16
Abundance In Oceans
-  
0.00 %  
10
Abundance In Humans
0.00 %  
24
0.00 %  
7
Uses
Uses & Benefits
  • Platinum metal is mainly used in jewellery.
  • Platinum is used as an industrial catalyst in production of nitric acid, silicone and benzene.
  
  • It is mainly used for Galvanizing other metals.
  • It is also used for manufacturing die-casting and it is very essential for automobile industry.
  
Industrial Uses
Aerospace Industry, Chemical Industry  
Electrical Industry, Electronic Industry  
Medical Uses
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing  
Pharmaceutical Industry  
Other Uses
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues  
Alloys  
Biological Properties
  
  
Toxicity
Non Toxic  
Highly Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
37
7.00 Blood/mg dm-3  
6
In Bone
0.00 p.p.m.  
99+
170.00 p.p.m.  
6
Physical
Melting Point
1,772.00 °C  
16
419.58 °C  
99+
Boiling Point
3,827.00 °C  
15
907.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Silvery Gray  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
3.50  
12
2.50  
15
Brinell Hardness
300.00 MPa  
99+
327.00 MPa  
39
Vickers Hardness
400.00 MPa  
99+
207.00 MPa  
99+
Speed of Sound
2,800.00 m/s  
99+
3,850.00 m/s  
25
Optical Properties
  
  
Refractive Index
2.41  
6
1.00  
99+
Reflectivity
73.00 %  
10
80.00 %  
7
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Pt  
Zn  
Isotopes
  
  
Known Isotopes
35  
4
25  
14
Electronegativity
  
  
Pauling Electronegativity
2.28  
4
1.65  
20
Sanderson Electronegativity
2.28  
5
2.23  
7
Allred Rochow Electronegativity
1.44  
18
1.66  
8
Mulliken-Jaffe Electronegativity
2.20  
6
1.65  
20
Allen Electronegativity
1.72  
19
1.59  
25
Electropositivity
  
  
Pauling Electropositivity
1.72  
99+
2.35  
35
Ionization Energies
  
  
1st Energy Level
870.00 kJ/mol  
10
906.40 kJ/mol  
6
2nd Energy Level
1,791.00 kJ/mol  
22
1,733.30 kJ/mol  
28
3rd Energy Level
2,277.00 kJ/mol  
99+
3,833.00 kJ/mol  
12
4th Energy Level
8,702.00 kJ/mol  
6
5,731.00 kJ/mol  
20
5th Energy Level
8,702.00 kJ/mol  
9
7,970.00 kJ/mol  
15
6th Energy Level
8,700.00 kJ/mol  
27
10,400.00 kJ/mol  
15
7th Energy level
8,700.00 kJ/mol  
23
12,900.00 kJ/mol  
9
8th Energy Level
8,700.00 kJ/mol  
23
16,800.00 kJ/mol  
6
9th Energy Level
5,660.00 kJ/mol  
99+
19,600.00 kJ/mol  
8
10th Energy Level
8,700.00 kJ/mol  
24
23,000.00 kJ/mol  
10
11th Energy Level
8,700.00 kJ/mol  
21
26,400.00 kJ/mol  
11
12th Energy Level
8,700.00 kJ/mol  
99+
29,990.00 kJ/mol  
33
13th Energy Level
8,700.00 kJ/mol  
16
40,490.00 kJ/mol  
5
14th Energy Level
870.00 kJ/mol  
99+
43,800.00 kJ/mol  
6
15th Energy Level
87,000.00 kJ/mol  
9
47,300.00 kJ/mol  
99+
16th Energy Level
870.00 kJ/mol  
99+
52,300.00 kJ/mol  
99+
17th Energy Level
870.00 kJ/mol  
27
55,900.00 kJ/mol  
10
18th Energy Level
8,700.00 kJ/mol  
16
59,700.00 kJ/mol  
11
19th Energy Level
870.00 kJ/mol  
25
67,300.00 kJ/mol  
10
20th Energy Level
870.00 kJ/mol  
15
171,200.00 kJ/mol  
1
21st Energy Level
870.00 kJ/mol  
38
179,100.00 kJ/mol  
1
22nd Energy Level
870.00 kJ/mol  
13
906.00 kJ/mol  
9
23rd Energy Level
870.10 kJ/mol  
39
906.40 kJ/mol  
37
24th Energy Level
870.00 kJ/mol  
9
906.40 kJ/mol  
5
25th Energy Level
870.00 kJ/mol  
7
906.40 kJ/mol  
4
26th Energy Level
870.00 kJ/mol  
7
906.40 kJ/mol  
4
27th Energy Level
870.10 kJ/mol  
6
906.40 kJ/mol  
3
28th Energy Level
870.10 kJ/mol  
9
906.40 kJ/mol  
6
29th Energy Level
870.00 kJ/mol  
10
906.40 kJ/mol  
7
30th Energy Level
870.00 kJ/mol  
7
906.40 kJ/mol  
4
Electrochemical Equivalent
1.82 g/amp-hr  
39
1.22 g/amp-hr  
99+
Electron Work Function
5.65 eV  
4
4.33 eV  
24
Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization  
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes  
Atomic
Atomic Number
78  
38
30  
99+
Electron Configuration
[Xe] 4f14 5d9 6s1  
[Ar] 3d10 4s2  
Crystal Structure
Face Centered Cubic (FCC)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
FCC-Crystal-Structure-of-Platinum.jpg#100  
HCP-Crystal-Structure-of-Zinc.jpg#100  
Atom
  
  
Number of Protons
78  
38
30  
99+
Number of Neutrons
117  
25
35  
99+
Number of Electrons
78  
38
30  
99+
Radius of an Atom
  
  
Atomic Radius
139.00 pm  
99+
134.00 pm  
99+
Covalent Radius
136.00 pm  
99+
122.00 pm  
99+
Van der Waals Radius
175.00 pm  
99+
139.00 pm  
99+
Atomic Weight
47.87 amu  
99+
65.38 amu  
99+
Atomic Volume
9.09 cm3/mol  
99+
9.20 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Iridium
  
Copper
  
Next Element
Gold
  
Gallium
  
Valence Electron Potential
392.42 (-eV)  
1
38.90 (-eV)  
99+
Lattice Constant
392.42 pm  
27
266.49 pm  
99+
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.56  
99+
1.86  
4
Mechanical
Density
  
  
Density At Room Temperature
21.45 g/cm3  
11
7.14 g/cm3  
99+
Density When Liquid (at m.p.)
19.77 g/cm3  
12
6.57 g/cm3  
99+
Tensile Strength
125.00 MPa  
26
120.00 MPa  
27
Viscosity
0.00  
16
0.00  
7
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
16
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.07 (Pa)  
18
0.00 (Pa)  
37
Elasticity properties
  
  
Shear Modulus
61.00 GPa  
14
43.00 GPa  
18
Bulk Modulus
230.00 GPa  
6
70.00 GPa  
20
Young's Modulus
168.00 GPa  
15
108.00 GPa  
21
Poisson Ratio
0.38  
6
0.25  
24
Other Mechanical Properties
Ductile, Malleable  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
21.45  
13
6.90  
99+
Magnetic Ordering
Paramagnetic  
Diamagnetic  
Permeability
0.00 H/m  
14
0.00 H/m  
16
Susceptibility
0.00  
20
0.00  
6
Electrical Properties
  
  
Electrical Property
Conductor  
Conductor  
Resistivity
105.00 nΩ·m  
30
59.00 nΩ·m  
40
Electrical Conductivity
0.10 106/cm Ω  
26
0.17 106/cm Ω  
12
Electron Affinity
205.30 kJ/mol  
2
0.00 kJ/mol  
99+
Thermal
Specific Heat
0.13 J/(kg K)  
40
0.39 J/(kg K)  
14
Molar Heat Capacity
25.86 J/mol·K  
99+
25.47 J/mol·K  
99+
Thermal Conductivity
71.60 W/m·K  
24
116.00 W/m·K  
14
Critical Temperature
2,041.00 K  
19
692.00 K  
99+
Thermal Expansion
8.80 µm/(m·K)  
99+
30.20 µm/(m·K)  
11
Enthalpy
  
  
Enthalpy of Vaporization
510.50 kJ/mol  
15
7.32 kJ/mol  
99+
Enthalpy of Fusion
19.70 kJ/mol  
12
7.32 kJ/mol  
99+
Enthalpy of Atomization
565.00 kJ/mol  
15
129.70 kJ/mol  
99+
Standard Molar Entropy
41.60 J/mol.K  
99+
41.60 J/mol.K  
99+
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!