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Titanium Osmium Comparison


Osmium Titanium comparison


Periodic Table

Symbol
Ti  
Os  

Group Number
4  
14
8  
10

Period Number
4  
6  

Block
d block  
d block  

Element Family
Transition Metal  
Transition Metal  

CAS Number
7440326  
99+
7440042  
99+

Space Group Name
P63/mmc  
P63/mmc  

Space Group Number
194.00  
7
194.00  
7

Facts

Interesting Facts
  • The only metal which burns in Nitrogen is Titanium.
  • Titanium is also known as corrosion resistant metal.
  
  • Osmium metal does not oxidize in air unless it is heated.
  • But if it heated den it forms Osmium Tetroxide, which is highly toxic.
  

Sources
Found in Minerals, Mining  
Found As a By-product, Found in Minerals, Mining  

History
  
  

Who Discovered
W. Gregor & J. Berzelius  
Smithson Tennant  

Discovery
In 1791  
In 1803  

Abundance
  
  

Abundance In Universe
0.00 %  
10
0.00 %  
22

Abundance In Sun
0.00 %  
9
0.00 %  
25

Abundance In Meteorites
0.05 %  
11
0.00 %  
28

Abundance In Earth's Crust
0.66 %  
7
0.00 %  
99+

Abundance In Oceans
0.00 %  
15
0.00 %  
99+

Abundance In Humans
0.57 %  
2
0.00 %  
24

Uses

Uses & Benefits
  • Its alloys are used in spacecraft, aircraft and ammunition industry.
  • Its pipes are used in distillation plants, submarines, hulls of big ships, etc.
  
  • Its has very limited uses and its alloys are very hard and are used in the manufacturing of pen tips, pivots, needles and electrical contacts.
  • It is also used as industrial catalyst to speed up the chemical reaction.
  

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

Medical Uses
Dentistry, Surgical Instruments Manufacturing  
-  

Other Uses
Alloys, Jewellery, Sculptures, Statues  
Alloys  

Biological Properties
  
  

Toxicity
Non Toxic  
Highly Toxic  

Present in Human Body
Yes  
No  

In Blood
0.05 Blood/mg dm-3  
16
0.00 Blood/mg dm-3  
37

In Bone
0.60 p.p.m.  
21
0.00 p.p.m.  
99+

Physical

Melting Point
1,660.00 °C  
18
3,045.00 °C  
3

Boiling Point
3,287.00 °C  
23
5,027.00 °C  
6

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silvery Gray-White  
Silvery Bluish-Gray  

Luster
Metallic  
Metallic  

Hardness
  
  

Mohs Hardness
6.00  
6
7.00  
3

Brinell Hardness
716.00 MPa  
16
3,490.00 MPa  
1

Vickers Hardness
830.00 MPa  
21
3,920.00 MPa  
1

Speed of Sound
5,090.00 m/s  
13
4,940.00 m/s  
15

Optical Properties
  
  

Refractive Index
2.40  
7
2.07  
12

Reflectivity
56.00 %  
26
80.00 %  
7

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Ti  
Os  

Isotopes
  
  

Known Isotopes
23  
16
35  
4

Electronegativity
  
  

Pauling Electronegativity
1.54  
27
2.20  
5

Sanderson Electronegativity
1.09  
39
2.20  
8

Allred Rochow Electronegativity
1.32  
24
1.52  
13

Mulliken-Jaffe Electronegativity
1.54  
24
2.20  
6

Allen Electronegativity
1.38  
36
1.65  
22

Electropositivity
  
  

Pauling Electropositivity
2.46  
28
1.80  
99+

Ionization Energies
  
  

1st Energy Level
658.80 kJ/mol  
39
840.00 kJ/mol  
12

2nd Energy Level
1,309.80 kJ/mol  
99+
1,309.80 kJ/mol  
99+

3rd Energy Level
2,652.50 kJ/mol  
99+
1,600.00 kJ/mol  
99+

4th Energy Level
4,174.60 kJ/mol  
99+
840.00 kJ/mol  
99+

5th Energy Level
9,581.00 kJ/mol  
5
8,400.00 kJ/mol  
10

6th Energy Level
11,533.00 kJ/mol  
8
8,400.00 kJ/mol  
30

7th Energy level
13,590.00 kJ/mol  
6
8,400.00 kJ/mol  
25

8th Energy Level
16,440.00 kJ/mol  
8
8,400.00 kJ/mol  
25

9th Energy Level
18,530.00 kJ/mol  
11
5,280.00 kJ/mol  
99+

10th Energy Level
20,833.00 kJ/mol  
15
8,400.00 kJ/mol  
26

11th Energy Level
25,575.00 kJ/mol  
14
8,400.00 kJ/mol  
23

12th Energy Level
28,125.00 kJ/mol  
37
8,400.00 kJ/mol  
99+

13th Energy Level
76,015.00 kJ/mol  
1
8,400.00 kJ/mol  
18

14th Energy Level
83,280.00 kJ/mol  
2
840.00 kJ/mol  
99+

15th Energy Level
90,880.00 kJ/mol  
4
84,000.00 kJ/mol  
12

16th Energy Level
100,700.00 kJ/mol  
4
840.00 kJ/mol  
99+

17th Energy Level
109,100.00 kJ/mol  
5
840.00 kJ/mol  
29

18th Energy Level
117,800.00 kJ/mol  
6
8,400.00 kJ/mol  
18

19th Energy Level
129,900.00 kJ/mol  
7
840.00 kJ/mol  
27

20th Energy Level
137,530.00 kJ/mol  
9
840.00 kJ/mol  
19

21st Energy Level
658.80 kJ/mol  
99+
840.00 kJ/mol  
39

22nd Energy Level
658.00 kJ/mol  
31
840.00 kJ/mol  
15

23rd Energy Level
658.80 kJ/mol  
99+
840.00 kJ/mol  
99+

24th Energy Level
658.80 kJ/mol  
30
840.00 kJ/mol  
11

25th Energy Level
658.80 kJ/mol  
32
840.00 kJ/mol  
9

26th Energy Level
658.80 kJ/mol  
31
840.00 kJ/mol  
9

27th Energy Level
658.80 kJ/mol  
32
713.30 kJ/mol  
24

28th Energy Level
658.80 kJ/mol  
37
840.10 kJ/mol  
13

29th Energy Level
658.80 kJ/mol  
38
840.00 kJ/mol  
13

30th Energy Level
658.80 kJ/mol  
34
840.00 kJ/mol  
9

Electrochemical Equivalent
0.45 g/amp-hr  
99+
1.77 g/amp-hr  
99+

Electron Work Function
4.33 eV  
24
4.83 eV  
13

Other Chemical Properties
Chemical Stability, Ionization  
Chemical Stability, Ionization, Solubility  

Atomic

Atomic Number
22  
99+
76  
40

Electron Configuration
[Ar] 3d2 4s2  
[Xe] 4f14 5d6 6s2  

Crystal Structure
Hexagonal Close Packed (HCP)  
Hexagonal Close Packed (HCP)  

Crystal Lattice
HCP-Crystal-Structure-of-Titanium.jpg#100  
BCC-Crystal-Structure-.jpg#100  

Atom
  
  

Number of Protons
22  
99+
76  
39

Number of Neutrons
26  
99+
114  
26

Number of Electrons
22  
99+
76  
39

Radius of an Atom
  
  

Atomic Radius
147.00 pm  
36
133.80 pm  
99+

Covalent Radius
160.00 pm  
32
128.00 pm  
99+

Van der Waals Radius
200.00 pm  
35
216.00 pm  
30

Atomic Weight
47.87 amu  
99+
190.23 amu  
35

Atomic Volume
10.64 cm3/mol  
99+
8.49 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Scandium
  
Rhenium
  

Next Element
Vanadium
  
Iridium
  

Valence Electron Potential
95.20 (-eV)  
10
91.40 (-eV)  
12

Lattice Constant
295.08 pm  
99+
273.44 pm  
99+

Lattice Angles
π/2, π/2, 2 π/3  
π/2, π/2, 2 π/3  

Lattice C/A Ratio
1.59  
30
1.58  
37

Mechanical

Density
  
  

Density At Room Temperature
4.51 g/cm3  
99+
22.59 g/cm3  
9

Density When Liquid (at m.p.)
4.11 g/cm3  
99+
20.00 g/cm3  
11

Tensile Strength
434.00 MPa  
10
1,000.00 MPa  
4

Viscosity
0.00  
22
0.00  
3

Vapor Pressure
  
  

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

Vapor Pressure at 2000 K
0.98 (Pa)  
14
0.00 (Pa)  
39

Elasticity properties
  
  

Shear Modulus
44.00 GPa  
17
222.00 GPa  
1

Bulk Modulus
110.00 GPa  
15
462.00 GPa  
1

Young's Modulus
116.00 GPa  
20
528.00 GPa  
1

Poisson Ratio
0.32  
12
0.25  
24

Other Mechanical Properties
Ductile  
Ductile  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
4.51  
99+
22.57  
11

Magnetic Ordering
Paramagnetic  
Paramagnetic  

Permeability
0.00 H/m  
17
0.00 H/m  
17

Susceptibility
0.00  
24
0.00  
17

Electrical Properties
  
  

Electrical Property
Poor Conductor  
Conductor  

Resistivity
420.00 nΩ·m  
12
81.20 nΩ·m  
35

Electrical Conductivity
0.02 106/cm Ω  
99+
0.11 106/cm Ω  
21

Electron Affinity
7.60 kJ/mol  
99+
106.10 kJ/mol  
10

Thermal

Specific Heat
0.52 J/(kg K)  
9
0.13 J/(kg K)  
40

Molar Heat Capacity
25.06 J/mol·K  
99+
24.70 J/mol·K  
99+

Thermal Conductivity
21.90 W/m·K  
99+
87.60 W/m·K  
19

Critical Temperature
1,941.00 K  
21
3,300.00 K  
3

Thermal Expansion
8.60 µm/(m·K)  
99+
5.10 µm/(m·K)  
99+

Enthalpy
  
  

Enthalpy of Vaporization
429.00 kJ/mol  
20
627.60 kJ/mol  
8

Enthalpy of Fusion
15.48 kJ/mol  
19
29.30 kJ/mol  
4

Enthalpy of Atomization
468.60 kJ/mol  
20
669.00 kJ/mol  
6

Standard Molar Entropy
27.30 J/mol.K  
99+
32.60 J/mol.K  
99+

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