Titanium

Technetium

Titanium vs Technetium

Titanium

Technetium

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1 Periodic Table

1.1 Symbol

1.2 Group Number

0 17

1.5 Period Number

2 7

2.3 Block

d block

2.4 Element Family

Transition Metal

2.5 CAS Number

74403267440268

7429905 54386242

2.6 Space Group Name

P63/mmc

2.7 Space Group Number

194.00194.00

11 229

5 Facts

5.1 Interesting Facts

The only metal which burns in Nitrogen is Titanium.
Titanium is also known as corrosion resistant metal.

Original name of Technetium was Masurium.
At the time of its discovery it found in sample of Molybdenum.

5.2 Sources

Found in Minerals, Mining

Made by Bombarding Molybdenum with Deuterons

5.3 History

5.3.1 Who Discovered

W. Gregor & J. Berzelius

Emilio Segrè and Carlo Perriero

5.3.2 Discovery

In 1791

In 1937

5.4 Abundance

5.4.1 Abundance In Universe

3 * 10^-4 %NA

5E-09 0.11

5.5.1 Abundance In Sun

~0.0004 %~-9999 %

1E-08 0.1

5.5.3 Abundance In Meteorites

0.05 %NA

1.7E-07 22

5.7.2 Abundance In Earth's Crust

0.66 %NA

9.9E-12 8.1

5.7.5 Abundance In Oceans

0.00 %NA

2E-23 1.1

5.7.6 Abundance In Humans

NANA

1E-13 1.4

6 Uses

6.1 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.

Technetium is a radioactive metal and hence it is used for medical studies and other research purposes.

6.1.1 Industrial Uses

Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry

6.1.2 Medical Uses

Dentistry, Surgical Instruments Manufacturing

6.1.3 Other Uses

Alloys, Jewellery, Sculptures, Statues

Alloys, Nuclear Research, Research Purposes

6.2 Biological Properties

6.2.1 Toxicity

Non Toxic

Low Toxic

6.2.2 Present in Human Body

✔ ✘

6.2.3 In Blood

0.05 Blood/mg dm-30.00 Blood/mg dm-3

0 1970

6.3.1 In Bone

NA0.00 p.p.m.

0 170000

7 Physical

7.1 Melting Point

1,660.00 °C2,200.00 °C

27 3410

7.3 Boiling Point

3,287.00 °C4,877.00 °C

147 5660

8.3 Appearance

8.3.1 Physical State

Solid

8.3.2 Color

Silvery Gray-White

Shiny Gray

8.3.3 Luster

Metallic

8.4 Hardness

8.4.1 Mohs Hardness

6.00NA

0.2 8.5

9.2.3 Brinell Hardness

716.00 MPaNA

0.14 3490

9.2.8 Vickers Hardness

830.00 MPaNA

121 3430

10.3 Speed of Sound

5,090.00 m/s16,200.00 m/s

818 16200

10.7 Optical Properties

10.7.1 Refractive Index

NANA

1.000933 1.7229

10.7.2 Reflectivity

NANA

58 97

10.9 Allotropes

✔ ✘

10.9.1 α Allotropes

Not Available

10.9.2 β Allotropes

Not Available

10.9.3 γ Allotropes

Not Available

11 Chemical

11.1 Chemical Formula

11.2 Isotopes

11.2.1 Known Isotopes

2318

0 38

11.3 Electronegativity

11.3.1 Pauling Electronegativity

1.541.90

0.7 2.54

11.3.3 Sanderson Electronegativity

1.09NA

0.22 2.56

11.4.2 Allred Rochow Electronegativity

1.321.36

0.86 1.82

11.5.3 Mulliken-Jaffe Electronegativity

NANA

0.62 2.48

11.5.6 Allen Electronegativity

1.381.51

0.659 2.7

12.3 Electropositivity

12.3.1 Pauling Electropositivity

2.462.10

1.46 3.3

12.5 Ionization Energies

12.5.1 1st Energy Level

658.80 kJ/mol702.00 kJ/mol

375.7 26130

12.5.2 2nd Energy Level

1,309.80 kJ/mol1,470.00 kJ/mol

710.2162 28750

12.5.5 3rd Energy Level

2,652.50 kJ/mol2,850.00 kJ/mol

1600 34230

12.5.7 4th Energy Level

4,174.60 kJ/molNA

2780 37066

12.5.10 5th Energy Level

9,581.00 kJ/molNA

4305.2 97510

12.5.12 6th Energy Level

11,533.00 kJ/molNA

5715.8 105800

12.5.14 7th Energy level

13,590.00 kJ/molNA

7226.8 114300

12.6.2 8th Energy Level

16,440.00 kJ/molNA

8857.4 125300

12.6.4 9th Energy Level

18,530.00 kJ/molNA

14110 134700

12.7.2 10th Energy Level

20,833.00 kJ/molNA

17100 144300

12.7.4 11th Energy Level

25,575.00 kJ/molNA

19900 169988

12.7.7 12th Energy Level

28,125.00 kJ/molNA

22219 189368

12.7.9 13th Energy Level

76,015.00 kJ/molNA

26930 76015

12.7.11 14th Energy Level

83,280.00 kJ/molNA

29196 86450

12.7.13 15th Energy Level

90,880.00 kJ/molNA

41987 97510

12.7.16 16th Energy Level

100,700.00 kJ/molNA

47206 109480

12.7.18 17th Energy Level

109,100.00 kJ/molNA

52737 122200

12.7.20 18th Energy Level

117,800.00 kJ/molNA

58570 134810

12.7.22 19th Energy Level

129,900.00 kJ/molNA

64702 148700

12.7.23 20th Energy Level

137,530.00 kJ/molNA

80400 171200

12.7.26 21st Energy Level

NANA

87000 179100

12.7.27 22nd Energy Level

NANA

93400 184900

12.7.30 23rd Energy Level

NANA

98420 198800

12.7.31 24th Energy Level

NANA

104400 195200

12.7.33 25th Energy Level

NANA

121900 121900

12.7.35 26th Energy Level

NANA

127700 127700

12.7.37 27th Energy Level

NANA

133800 133800

12.7.39 28th Energy Level

NANA

139800 139800

12.7.42 29th Energy Level

NANA

148100 148100

12.7.44 30th Energy Level

NANA

154500 154500

12.8 Electrochemical Equivalent

0.45 g/amp-hr0.52 g/amp-hr

0.16812 8.3209

12.9 Electron Work Function

4.33 eVNA

2.14 5.65

12.10 Other Chemical Properties

Chemical Stability, Ionization

Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility

13 Atomic

13.1 Atomic Number

2243

3 117

13.2 Electron Configuration

[Ar] 3d² 4s²

[Kr] 4d⁵ 5s²

13.3 Crystal Structure

Hexagonal Close Packed (HCP)

13.3.1 Crystal Lattice

13.4 Atom

13.4.1 Number of Protons

2243

3 117

13.4.5 Number of Neutrons

2655

4 184

13.4.9 Number of Electrons

2243

3 117

13.6 Radius of an Atom

13.6.1 Atomic Radius

147.00 pm136.00 pm

112 265

13.7.1 Covalent Radius

160.00 pm147.00 pm

96 260

13.7.3 Van der Waals Radius

200.00 pm200.00 pm

139 348

14.2 Atomic Weight

47.87 amu98.00 amu

6.94 294

14.6 Atomic Volume

10.64 cm3/mol8.50 cm3/mol

1.39 71.07

14.7 Adjacent Atomic Numbers

14.7.1 Previous Element

14.7.2 Next Element

14.8 Valence Electron Potential

95.20 (-eV)180.00 (-eV)

8 392.42

14.9 Lattice Constant

295.08 pm273.50 pm

228.58 891.25

14.12 Lattice Angles

π/2, π/2, 2 π/3

14.13 Lattice C/A Ratio

NA1.60

1.567 1.886

15 Mechanical

15.1 Density

15.1.1 Density At Room Temperature

4.51 g/cm³11.00 g/cm³

0.534 40.7

15.2.2 Density When Liquid (at m.p.)

4.11 g/cm3NA

0.512 20

16.3 Tensile Strength

434.00 MPaNA

2.5 11000

16.4 Viscosity

NANA

0.001526 0.001526

16.9 Vapor Pressure

16.9.1 Vapor Pressure at 1000 K

NANA

2.47E-11 121

16.9.3 Vapor Pressure at 2000 K

0.98 (Pa)NA

2.62E-10 774

16.12 Elasticity properties

16.12.1 Shear Modulus

44.00 GPaNA

1.3 222

16.13.1 Bulk Modulus

110.00 GPaNA

1.6 462

16.16.1 Young's Modulus

116.00 GPaNA

1.7 528

17.3 Poisson Ratio

0.32NA

0.032 0.47

17.6 Other Mechanical Properties

Ductile

18 Magnetic

18.1 Magnetic Characteristics

18.1.1 Specific Gravity

4.5111.50

0.53 4500

18.4.1 Magnetic Ordering

Paramagnetic

18.6.2 Permeability

NANA

1.25643E-06 0.0063

18.8.1 Susceptibility

NANA

-0.000166 200000

19.3 Electrical Properties

19.3.1 Electrical Property

Poor Conductor

Conductor

19.3.2 Resistivity

420.00 nΩ·m200.00 nΩ·m

0.18 961

19.3.4 Electrical Conductivity

0.02 10⁶/cm Ω0.07 10⁶/cm Ω

0.00666 0.63

19.3.6 Electron Affinity

7.60 kJ/mol53.00 kJ/mol

0 222.8

20 Thermal

20.1 Specific Heat

0.52 J/(kg K)0.21 J/(kg K)

0.11 3.6

20.4 Molar Heat Capacity

25.06 J/mol·K24.27 J/mol·K

16.443 62.7

21.2 Thermal Conductivity

21.90 W/m·K50.60 W/m·K

6.3 429

1.4 Critical Temperature

NANA

26.3 3223

1.6 Thermal Expansion

8.60 µm/(m·K)7.10 µm/(m·K)

4.5 97

1.10 Enthalpy

1.10.1 Enthalpy of Vaporization

429.00 kJ/mol660.00 kJ/mol

7.32 799.1

1.11.3 Enthalpy of Fusion

15.48 kJ/mol23.01 kJ/mol

2.1 35.23

1.14.1 Enthalpy of Atomization

468.60 kJ/mol649.00 kJ/mol

61.5 837

3.2 Standard Molar Entropy

27.30 J/mol.K181.10 J/mol.K

9.5 198.1

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