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Tantalum vs Platinum


Platinum vs Tantalum


Periodic Table

Symbol
Ta  
Pt  

Group Number
5  
13
10  
8

Period Number
6  
6  

Block
d block  
d block  

Element Family
Transition Metal  
Transition Metal  

CAS Number
7440257  
99+
7440064  
99+

Space Group Name
Im_ 3m  
Fm_ 3m  

Space Group Number
229.00  
2
225.00  
3

Facts

Interesting Facts
  • Tantalum metal is known as corrosion resistance.
  • Tantalum metal can easily fabricated and It is a good conductor of heat and electricity.
  
  • 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
Anders Gustaf Ekeberg  
Antonio de Ulloa  

Discovery
In 1802  
In 1735  

Abundance
  
  

Abundance In Universe
0.00 %  
32
0.00 %  
20

Abundance In Sun
0.00 %  
18
0.00 %  
19

Abundance In Meteorites
0.00 %  
99+
0.00 %  
25

Abundance In Earth's Crust
0.00 %  
37
0.00 %  
99+

Abundance In Oceans
0.00 %  
31
-  

Abundance In Humans
0.00 %  
24
0.00 %  
24

Uses

Uses & Benefits
  • Tantalum metal is mainly used in the manufacturing of electron components. Its Oxide layer acts as an insulator.
  • Tantalum metal is also used in surgical transplant like replacement of bone, skull plates and as a woven gauze.
  
  • Platinum metal is mainly used in jewellery.
  • Platinum is used as an industrial catalyst in production of nitric acid, silicone and benzene.
  

Industrial Uses
Electrical Industry, Electronic Industry  
Aerospace Industry, Chemical Industry  

Medical Uses
-  
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing  

Other Uses
Alloys  
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues  

Biological Properties
  
  

Toxicity
Low Toxic  
Non Toxic  

Present in Human Body
Yes  
No  

In Blood
0.00 Blood/mg dm-3  
37
0.00 Blood/mg dm-3  
37

In Bone
0.03 p.p.m.  
33
0.00 p.p.m.  
99+

Physical

Melting Point
2,996.00 °C  
4
1,772.00 °C  
16

Boiling Point
5,425.00 °C  
4
3,827.00 °C  
15

Appearance
  
  

Physical State
Solid  
Solid  

Color
Gray Blue  
Silvery White  

Luster
Metallic  
Metallic  

Hardness
  
  

Mohs Hardness
6.50  
5
3.50  
12

Brinell Hardness
440.00 MPa  
33
300.00 MPa  
99+

Vickers Hardness
870.00 MPa  
19
400.00 MPa  
99+

Speed of Sound
3,400.00 m/s  
33
2,800.00 m/s  
99+

Optical Properties
  
  

Refractive Index
2.15  
10
2.41  
6

Reflectivity
78.00 %  
8
73.00 %  
10

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Ta  
Pt  

Isotopes
  
  

Known Isotopes
31  
8
35  
4

Electronegativity
  
  

Pauling Electronegativity
1.50  
28
2.28  
4

Sanderson Electronegativity
1.50  
18
2.28  
5

Allred Rochow Electronegativity
1.33  
23
1.44  
18

Mulliken-Jaffe Electronegativity
1.50  
26
2.20  
6

Allen Electronegativity
1.34  
38
1.72  
19

Electropositivity
  
  

Pauling Electropositivity
2.50  
27
1.72  
99+

Ionization Energies
  
  

1st Energy Level
761.00 kJ/mol  
18
870.00 kJ/mol  
10

2nd Energy Level
1,500.00 kJ/mol  
99+
1,791.00 kJ/mol  
22

3rd Energy Level
761.00 kJ/mol  
99+
2,277.00 kJ/mol  
99+

4th Energy Level
7,610.00 kJ/mol  
9
8,702.00 kJ/mol  
6

5th Energy Level
7,610.00 kJ/mol  
19
8,702.00 kJ/mol  
9

6th Energy Level
7,610.00 kJ/mol  
36
8,700.00 kJ/mol  
27

7th Energy level
7,610.00 kJ/mol  
30
8,700.00 kJ/mol  
23

8th Energy Level
7,610.00 kJ/mol  
30
8,700.00 kJ/mol  
23

9th Energy Level
7,610.00 kJ/mol  
26
5,660.00 kJ/mol  
99+

10th Energy Level
7,610.00 kJ/mol  
30
8,700.00 kJ/mol  
24

11th Energy Level
7,610.00 kJ/mol  
29
8,700.00 kJ/mol  
21

12th Energy Level
7,610.00 kJ/mol  
99+
8,700.00 kJ/mol  
99+

13th Energy Level
7,610.00 kJ/mol  
22
8,700.00 kJ/mol  
16

14th Energy Level
7,610.00 kJ/mol  
19
870.00 kJ/mol  
99+

15th Energy Level
76,100.00 kJ/mol  
19
87,000.00 kJ/mol  
9

16th Energy Level
76,100.00 kJ/mol  
14
870.00 kJ/mol  
99+

17th Energy Level
761.00 kJ/mol  
35
870.00 kJ/mol  
27

18th Energy Level
7,610.00 kJ/mol  
25
8,700.00 kJ/mol  
16

19th Energy Level
761.00 kJ/mol  
32
870.00 kJ/mol  
25

20th Energy Level
761.00 kJ/mol  
26
870.00 kJ/mol  
15

21st Energy Level
761.00 kJ/mol  
99+
870.00 kJ/mol  
38

22nd Energy Level
761.00 kJ/mol  
20
870.00 kJ/mol  
13

23rd Energy Level
761.00 kJ/mol  
99+
870.10 kJ/mol  
39

24th Energy Level
761.00 kJ/mol  
16
870.00 kJ/mol  
9

25th Energy Level
761.00 kJ/mol  
16
870.00 kJ/mol  
7

26th Energy Level
761.00 kJ/mol  
16
870.00 kJ/mol  
7

27th Energy Level
761.00 kJ/mol  
15
870.10 kJ/mol  
6

28th Energy Level
761.00 kJ/mol  
21
870.10 kJ/mol  
9

29th Energy Level
761.00 kJ/mol  
22
870.00 kJ/mol  
10

30th Energy Level
761.00 kJ/mol  
16
870.00 kJ/mol  
7

Electrochemical Equivalent
1.35 g/amp-hr  
99+
1.82 g/amp-hr  
39

Electron Work Function
4.25 eV  
28
5.65 eV  
4

Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility  
Chemical Stability, Anti Corrosion, Ionization  

Atomic

Atomic Number
73  
99+
78  
38

Electron Configuration
[Xe] 4f14 5d3 6s2  
[Xe] 4f14 5d9 6s1  

Crystal Structure
Body Centered Cubic (BCC)  
Face Centered Cubic (FCC)  

Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
FCC-Crystal-Structure-of-Platinum.jpg#100  

Atom
  
  

Number of Protons
73  
99+
78  
38

Number of Neutrons
108  
29
117  
25

Number of Electrons
73  
99+
78  
38

Radius of an Atom
  
  

Atomic Radius
146.00 pm  
37
139.00 pm  
99+

Covalent Radius
170.00 pm  
27
136.00 pm  
99+

Van der Waals Radius
200.00 pm  
35
175.00 pm  
99+

Atomic Weight
180.95 amu  
38
47.87 amu  
99+

Atomic Volume
10.90 cm3/mol  
99+
9.09 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Hafnium
  
Iridium
  

Next Element
Tungsten
  
Gold
  

Valence Electron Potential
110.00 (-eV)  
7
392.42 (-eV)  
1

Lattice Constant
330.13 pm  
99+
392.42 pm  
27

Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  

Lattice C/A Ratio
1.41  
99+
1.56  
99+

Mechanical

Density
  
  

Density At Room Temperature
16.69 g/cm3  
18
21.45 g/cm3  
11

Density When Liquid (at m.p.)
15.00 g/cm3  
23
19.77 g/cm3  
12

Tensile Strength
180.00 MPa  
20
125.00 MPa  
26

Viscosity
0.00  
25
0.00  
16

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
16

Vapor Pressure at 2000 K
0.00 (Pa)  
99+
0.07 (Pa)  
18

Elasticity properties
  
  

Shear Modulus
69.00 GPa  
13
61.00 GPa  
14

Bulk Modulus
200.00 GPa  
8
230.00 GPa  
6

Young's Modulus
186.00 GPa  
14
168.00 GPa  
15

Poisson Ratio
0.34  
10
0.38  
6

Other Mechanical Properties
Ductile  
Ductile, Malleable  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
16.65  
20
21.45  
13

Magnetic Ordering
Paramagnetic  
Paramagnetic  

Permeability
0.00 H/m  
17
0.00 H/m  
14

Susceptibility
0.00  
27
0.00  
20

Electrical Properties
  
  

Electrical Property
Conductor  
Conductor  

Resistivity
131.00 nΩ·m  
25
105.00 nΩ·m  
30

Electrical Conductivity
0.08 106/cm Ω  
32
0.10 106/cm Ω  
26

Electron Affinity
31.00 kJ/mol  
35
205.30 kJ/mol  
2

Thermal

Specific Heat
0.14 J/(kg K)  
38
0.13 J/(kg K)  
40

Molar Heat Capacity
25.36 J/mol·K  
99+
25.86 J/mol·K  
99+

Thermal Conductivity
57.50 W/m·K  
27
71.60 W/m·K  
24

Critical Temperature
3,290.00 K  
4
2,041.00 K  
19

Thermal Expansion
6.30 µm/(m·K)  
99+
8.80 µm/(m·K)  
99+

Enthalpy
  
  

Enthalpy of Vaporization
753.10 kJ/mol  
2
510.50 kJ/mol  
15

Enthalpy of Fusion
31.40 kJ/mol  
3
19.70 kJ/mol  
12

Enthalpy of Atomization
782.00 kJ/mol  
3
565.00 kJ/mol  
15

Standard Molar Entropy
41.50 J/mol.K  
99+
41.60 J/mol.K  
99+

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