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Platinum Sodium Comparison


Sodium Platinum comparison


Periodic Table

Symbol
Pt  
-  

Group Number
10  
8
1  
17

Period Number
6  
3  

Block
d block  
s block  

Element Family
Transition Metal  
Alkali  

CAS Number
7440064  
99+
7440235  
99+

Space Group Name
Fm_ 3m  
Im_ 3m  

Space Group Number
225.00  
3
229.00  
2

Facts

Interesting Facts
  • Platinum is the rarest metal from the Precious metal categories..
  • Commercially Platinum is produced as a byproduct in ores of nickel.
  
  • At room temperature Sodium metal is very soft as it can be chopped down into pieces with butter knife.
  • The most common compound of Sodium is NaCl (Salt).
  

Sources
Mining, Ores of metals, Ores of Minerals  
By Electrolysis Process, Mining  

History
  
  

Who Discovered
Antonio de Ulloa  
Humphry Davy  

Discovery
In 1735  
In 1807  

Abundance
  
  

Abundance In Universe
0.00 %  
20
0.00 %  
7

Abundance In Sun
0.00 %  
19
0.00 %  
6

Abundance In Meteorites
0.00 %  
25
0.55 %  
6

Abundance In Earth's Crust
0.00 %  
99+
2.30 %  
5

Abundance In Oceans
-  
1.10 %  
1

Abundance In Humans
0.00 %  
24
0.14 %  
4

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.
  
  • In some nuclear reactors sodium is used as a heat exchanger.
  • Compound of Sodium metals called Salt (Sodium chloride) is used in Food.
  

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  
Toxic  

Present in Human Body
No  
Yes  

In Blood
0.00 Blood/mg dm-3  
37
1,970.00 Blood/mg dm-3  
1

In Bone
0.00 p.p.m.  
99+
10,000.00 p.p.m.  
2

Physical

Melting Point
1,772.00 °C  
16
97.72 °C  
99+

Boiling Point
3,827.00 °C  
15
883.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silvery White  
Silvery White  

Luster
Metallic  
Metallic  

Hardness
  
  

Mohs Hardness
3.50  
12
0.50  
24

Brinell Hardness
300.00 MPa  
99+
0.69 MPa  
99+

Vickers Hardness
400.00 MPa  
99+
0.69 MPa  
99+

Speed of Sound
2,800.00 m/s  
99+
3,200.00 m/s  
35

Optical Properties
  
  

Refractive Index
2.41  
6
1.33  
99+

Reflectivity
73.00 %  
10
53.00 %  
28

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Pt  
-  

Isotopes
  
  

Known Isotopes
35  
4
17  
22

Electronegativity
  
  

Pauling Electronegativity
2.28  
4
0.93  
99+

Sanderson Electronegativity
2.28  
5
0.56  
99+

Allred Rochow Electronegativity
1.44  
18
1.01  
36

Mulliken-Jaffe Electronegativity
2.20  
6
0.91  
99+

Allen Electronegativity
1.72  
19
0.87  
99+

Electropositivity
  
  

Pauling Electropositivity
1.72  
99+
3.07  
6

Ionization Energies
  
  

1st Energy Level
870.00 kJ/mol  
10
495.80 kJ/mol  
99+

2nd Energy Level
1,791.00 kJ/mol  
22
4,562.00 kJ/mol  
4

3rd Energy Level
2,277.00 kJ/mol  
99+
6,910.30 kJ/mol  
6

4th Energy Level
8,702.00 kJ/mol  
6
9,543.00 kJ/mol  
5

5th Energy Level
8,702.00 kJ/mol  
9
13,354.00 kJ/mol  
4

6th Energy Level
8,700.00 kJ/mol  
27
16,613.00 kJ/mol  
4

7th Energy level
8,700.00 kJ/mol  
23
20,117.00 kJ/mol  
4

8th Energy Level
8,700.00 kJ/mol  
23
25,496.00 kJ/mol  
4

9th Energy Level
5,660.00 kJ/mol  
99+
28,932.00 kJ/mol  
4

10th Energy Level
8,700.00 kJ/mol  
24
141,362.00 kJ/mol  
2

11th Energy Level
8,700.00 kJ/mol  
21
159,076.00 kJ/mol  
2

12th Energy Level
8,700.00 kJ/mol  
99+
4,950.00 kJ/mol  
99+

13th Energy Level
8,700.00 kJ/mol  
16
4,950.00 kJ/mol  
99+

14th Energy Level
870.00 kJ/mol  
99+
495.80 kJ/mol  
99+

15th Energy Level
87,000.00 kJ/mol  
9
49,500.00 kJ/mol  
99+

16th Energy Level
870.00 kJ/mol  
99+
49,500.00 kJ/mol  
99+

17th Energy Level
870.00 kJ/mol  
27
495.80 kJ/mol  
99+

18th Energy Level
8,700.00 kJ/mol  
16
4,960.00 kJ/mol  
99+

19th Energy Level
870.00 kJ/mol  
25
495.80 kJ/mol  
99+

20th Energy Level
870.00 kJ/mol  
15
496.00 kJ/mol  
99+

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

22nd Energy Level
870.00 kJ/mol  
13
495.00 kJ/mol  
99+

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

24th Energy Level
870.00 kJ/mol  
9
495.80 kJ/mol  
99+

25th Energy Level
870.00 kJ/mol  
7
496.00 kJ/mol  
99+

26th Energy Level
870.00 kJ/mol  
7
495.80 kJ/mol  
99+

27th Energy Level
870.10 kJ/mol  
6
495.80 kJ/mol  
99+

28th Energy Level
870.10 kJ/mol  
9
495.80 kJ/mol  
99+

29th Energy Level
870.00 kJ/mol  
10
495.80 kJ/mol  
99+

30th Energy Level
870.00 kJ/mol  
7
495.80 kJ/mol  
99+

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

Electron Work Function
5.65 eV  
4
2.75 eV  
99+

Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization  
Chemical Stability, Corrosion, Flammability, Ionization, Solubility  

Atomic

Atomic Number
78  
38
11  
99+

Electron Configuration
[Xe] 4f14 5d9 6s1  
[Ne] 3s1  

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

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

Atom
  
  

Number of Protons
78  
38
11  
99+

Number of Neutrons
117  
25
12  
99+

Number of Electrons
78  
38
11  
99+

Radius of an Atom
  
  

Atomic Radius
139.00 pm  
99+
186.00 pm  
11

Covalent Radius
136.00 pm  
99+
166.00 pm  
29

Van der Waals Radius
175.00 pm  
99+
227.00 pm  
26

Atomic Weight
47.87 amu  
99+
22.99 amu  
99+

Atomic Volume
9.09 cm3/mol  
99+
23.70 cm3/mol  
14

Adjacent Atomic Numbers
  
  

Previous Element
Iridium
  
Beryllium
  

Next Element
Gold
  
Magnesium
  

Valence Electron Potential
392.42 (-eV)  
1
14.10 (-eV)  
99+

Lattice Constant
392.42 pm  
27
429.06 pm  
22

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

Lattice C/A Ratio
1.56  
99+
1.01  
99+

Mechanical

Density
  
  

Density At Room Temperature
21.45 g/cm3  
11
0.97 g/cm3  
99+

Density When Liquid (at m.p.)
19.77 g/cm3  
12
0.93 g/cm3  
99+

Tensile Strength
125.00 MPa  
26
10.00 MPa  
99+

Viscosity
0.00  
16
0.00  
5

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)  
99+

Elasticity properties
  
  

Shear Modulus
61.00 GPa  
14
3.30 GPa  
99+

Bulk Modulus
230.00 GPa  
6
6.30 GPa  
99+

Young's Modulus
168.00 GPa  
15
10.00 GPa  
99+

Poisson Ratio
0.38  
6
0.37  
7

Other Mechanical Properties
Ductile, Malleable  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
21.45  
13
0.97  
99+

Magnetic Ordering
Paramagnetic  
Paramagnetic  

Permeability
0.00 H/m  
14
0.00 H/m  
6

Susceptibility
0.00  
20
0.00  
24

Electrical Properties
  
  

Electrical Property
Conductor  
Conductor  

Resistivity
105.00 nΩ·m  
30
47.70 nΩ·m  
99+

Electrical Conductivity
0.10 106/cm Ω  
26
0.21 106/cm Ω  
9

Electron Affinity
205.30 kJ/mol  
2
52.80 kJ/mol  
24

Thermal

Specific Heat
0.13 J/(kg K)  
40
1.23 J/(kg K)  
3

Molar Heat Capacity
25.86 J/mol·K  
99+
28.23 J/mol·K  
13

Thermal Conductivity
71.60 W/m·K  
24
142.00 W/m·K  
11

Critical Temperature
2,041.00 K  
19
2,573.00 K  
10

Thermal Expansion
8.80 µm/(m·K)  
99+
71.00 µm/(m·K)  
4

Enthalpy
  
  

Enthalpy of Vaporization
510.50 kJ/mol  
15
89.04 kJ/mol  
99+

Enthalpy of Fusion
19.70 kJ/mol  
12
2.59 kJ/mol  
99+

Enthalpy of Atomization
565.00 kJ/mol  
15
108.40 kJ/mol  
99+

Standard Molar Entropy
41.60 J/mol.K  
99+
51.30 J/mol.K  
39

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