Plutonium

Molybdenum

Plutonium Molybdenum Comparison

Plutonium

Molybdenum

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1 Periodic Table

1.1 Symbol

1.2 Group Number

0 17

1.3 Period Number

2 7

1.4 Block

f block

d block

1.5 Element Family

Actinide

Transition Metal

1.6 CAS Number

74400757439987

7429905 54386242

1.7 Space Group Name

P121/m1

Im_ 3m

1.8 Space Group Number

11.00229.00

11 229

2 Facts

2.1 Interesting Facts

Plutonium metal if obtain from ores of uranium metal.
Plutonium metal is very sensitive to the change in atmospheric conditions like temperature and pressure.

Molybdenum is highly reactive metal, hence not found free in nature .
Till 18th century Molybdenum element were often mistaken as a carbon or Lead.

2.2 Sources

Mining, Ores of metals

Found in Minerals, Mining, Ores of Minerals

2.3 History

2.3.1 Who Discovered

Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan

Carl Wilhelm Scheele

2.3.2 Discovery

In Between 1940 1941

In 1778

2.4 Abundance

2.4.1 Abundance In Universe

NA5 * 10^-7 %

5E-09 0.11

2.4.2 Abundance In Sun

~-9999 %~0.0000009 %

1E-08 0.1

2.4.3 Abundance In Meteorites

NA0.00 %

1.7E-07 22

2.4.4 Abundance In Earth's Crust

NA0.00 %

9.9E-12 8.1

2.4.5 Abundance In Oceans

NA0.00 %

2E-23 1.1

2.4.6 Abundance In Humans

NA0.00 %

1E-13 1.4

3 Uses

3.1 Uses & Benefits

Plutonium was used in atomic bombs and still it is being used in various weapons and Ammunition industry.
It is also used in nuclear power plant as source of energy for space missions.

Its alloys are used to make engine parts, drills, saw blade, etc.

Lubricant additive made up of Molybdenum disulfide is commonly used in the industry. It is also used as a catalyst.

3.1.1 Industrial Uses

Aerospace Industry, Ammunition Industry

Aerospace Industry, Electrical Industry, Electronic Industry

3.1.2 Medical Uses

3.1.3 Other Uses

Alloys

3.2 Biological Properties

3.2.1 Toxicity

Toxic

3.2.2 Present in Human Body

✔ ✘

3.2.3 In Blood

0.00 Blood/mg dm-30.00 Blood/mg dm-3

0 1970

3.2.4 In Bone

0.00 p.p.m.0.70 p.p.m.

0 170000

4 Physical

4.1 Melting Point

639.50 °C2,617.00 °C

27 3410

4.2 Boiling Point

3,235.00 °C4,612.00 °C

147 5660

4.3 Appearance

4.3.1 Physical State

Solid

4.3.2 Color

Silvery White

Gray

4.3.3 Luster

Metallic

4.4 Hardness

4.4.1 Mohs Hardness

NA5.50

0.2 8.5

4.4.2 Brinell Hardness

NA1,370.00 MPa

0.14 3490

4.4.3 Vickers Hardness

NA1,400.00 MPa

121 3430

4.5 Speed of Sound

2,260.00 m/s5,400.00 m/s

818 16200

4.6 Optical Properties

4.6.1 Refractive Index

NANA

1.000933 1.7229

4.6.2 Reflectivity

NA58.00 %

58 97

4.7 Allotropes

✔ ✘

4.7.1 α Allotropes

Not Available

4.7.2 β Allotropes

Not Available

4.7.3 γ Allotropes

Not Available

5 Chemical

5.1 Chemical Formula

5.2 Isotopes

5.2.1 Known Isotopes

2025

0 38

5.3 Electronegativity

5.3.1 Pauling Electronegativity

1.282.16

0.7 2.54

5.3.2 Sanderson Electronegativity

NA1.15

0.22 2.56

5.3.3 Allred Rochow Electronegativity

1.221.30

0.86 1.82

5.3.4 Mulliken-Jaffe Electronegativity

NANA

0.62 2.48

5.3.5 Allen Electronegativity

NA2.16

0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

2.721.84

1.46 3.3

5.5 Ionization Energies

5.5.1 1st Energy Level

584.70 kJ/mol684.30 kJ/mol

375.7 26130

5.5.2 2nd Energy Level

1,128.00 kJ/mol1,560.00 kJ/mol

710.2162 28750

5.5.3 3rd Energy Level

2,084.00 kJ/mol2,618.00 kJ/mol

1600 34230

5.5.4 4th Energy Level

3,338.00 kJ/mol4,480.00 kJ/mol

2780 37066

5.5.5 5th Energy Level

NA5,257.00 kJ/mol

4305.2 97510

5.5.6 6th Energy Level

NA6,640.80 kJ/mol

5715.8 105800

5.5.7 7th Energy level

NA12,125.00 kJ/mol

7226.8 114300

5.5.8 8th Energy Level

NA13,860.00 kJ/mol

8857.4 125300

5.5.9 9th Energy Level

NA15,835.00 kJ/mol

14110 134700

5.5.10 10th Energy Level

NA17,980.00 kJ/mol

17100 144300

5.5.11 11th Energy Level

NA20,190.00 kJ/mol

19900 169988

5.5.12 12th Energy Level

NA22,219.00 kJ/mol

22219 189368

5.5.13 13th Energy Level

NA26,930.00 kJ/mol

26930 76015

5.5.14 14th Energy Level

NA29,196.00 kJ/mol

29196 86450

5.5.15 15th Energy Level

NA52,490.00 kJ/mol

41987 97510

5.5.16 16th Energy Level

NA55,000.00 kJ/mol

47206 109480

5.5.17 17th Energy Level

NA61,400.00 kJ/mol

52737 122200

5.5.18 18th Energy Level

NA67,700.00 kJ/mol

58570 134810

5.5.19 19th Energy Level

NA74,000.00 kJ/mol

64702 148700

5.5.20 20th Energy Level

NA80,400.00 kJ/mol

80400 171200

5.5.21 21st Energy Level

NA87,000.00 kJ/mol

87000 179100

5.5.22 22nd Energy Level

NA93,400.00 kJ/mol

93400 184900

5.5.23 23rd Energy Level

NA98,420.00 kJ/mol

98420 198800

5.5.24 24th Energy Level

NA104,400.00 kJ/mol

104400 195200

5.5.25 25th Energy Level

NA121,900.00 kJ/mol

121900 121900

5.5.26 26th Energy Level

NA127,700.00 kJ/mol

127700 127700

5.5.27 27th Energy Level

NA133,800.00 kJ/mol

133800 133800

5.5.28 28th Energy Level

NA139,800.00 kJ/mol

139800 139800

5.5.29 29th Energy Level

NA148,100.00 kJ/mol

148100 148100

5.5.30 30th Energy Level

NA154,500.00 kJ/mol

154500 154500

5.6 Electrochemical Equivalent

2.28 g/amp-hr0.89 g/amp-hr

0.16812 8.3209

5.7 Electron Work Function

NA4.60 eV

2.14 5.65

5.8 Other Chemical Properties

Corrosion, Ionization, Radioactive Isotopes, Radioactivity

Anti Corrosion, Ionization, Radioactive Isotopes, Solubility

6 Atomic

6.1 Atomic Number

9442

3 117

6.2 Electron Configuration

[Rn] 5f⁶ 7s²

[Kr] 4d⁵ 5s¹

6.3 Crystal Structure

Monoclinic (MON)

Body Centered Cubic (BCC)

6.3.1 Crystal Lattice

6.4 Atom

6.4.1 Number of Protons

9442

3 117

6.4.2 Number of Neutrons

15054

4 184

6.4.3 Number of Electrons

9442

3 117

6.5 Radius of an Atom

6.5.1 Atomic Radius

159.00 pm139.00 pm

112 265

6.5.2 Covalent Radius

187.00 pm154.00 pm

96 260

6.5.3 Van der Waals Radius

200.00 pm200.00 pm

139 348

6.6 Atomic Weight

244.00 amu95.95 amu

6.94 294

6.7 Atomic Volume

12.32 cm3/mol9.40 cm3/mol

1.39 71.07

6.8 Adjacent Atomic Numbers

6.8.1 Previous Element

6.8.2 Next Element

6.9 Valence Electron Potential

64.90 (-eV)88.60 (-eV)

8 392.42

6.10 Lattice Constant

618.30 pm314.70 pm

228.58 891.25

6.11 Lattice Angles

π/2, π/2, π/2

6.12 Lattice C/A Ratio

NANA

1.567 1.886

7 Mechanical

7.1 Density

7.1.1 Density At Room Temperature

19.82 g/cm³10.28 g/cm³

0.534 40.7

7.1.2 Density When Liquid (at m.p.)

16.63 g/cm39.33 g/cm3

0.512 20

7.2 Tensile Strength

NA324.00 MPa

2.5 11000

7.3 Viscosity

NANA

0.001526 0.001526

7.4 Vapor Pressure

7.4.1 Vapor Pressure at 1000 K

0.00 (Pa)NA

2.47E-11 121

7.4.2 Vapor Pressure at 2000 K

2.20 (Pa)0.00 (Pa)

2.62E-10 774

7.5 Elasticity properties

7.5.1 Shear Modulus

43.00 GPa126.00 GPa

1.3 222

7.5.2 Bulk Modulus

NA230.00 GPa

1.6 462

7.5.3 Young's Modulus

96.00 GPa329.00 GPa

1.7 528

7.6 Poisson Ratio

0.210.31

0.032 0.47

7.7 Other Mechanical Properties

Ductile, Malleable

Ductile, Weldable

8 Magnetic

8.1 Magnetic Characteristics

8.1.1 Specific Gravity

19.8410.22

0.53 4500

8.1.2 Magnetic Ordering

Paramagnetic

8.1.3 Permeability

NANA

1.25643E-06 0.0063

8.1.4 Susceptibility

NANA

-0.000166 200000

8.2 Electrical Properties

8.2.1 Electrical Property

Poor Conductor

Semiconductor

8.2.2 Resistivity

1.46 nΩ·m53.40 nΩ·m

0.18 961

8.2.3 Electrical Conductivity

0.01 10⁶/cm Ω0.19 10⁶/cm Ω

0.00666 0.63

8.2.4 Electron Affinity

NA71.90 kJ/mol

0 222.8

9 Thermal

9.1 Specific Heat

0.13 J/(kg K)0.25 J/(kg K)

0.11 3.6

9.2 Molar Heat Capacity

35.50 J/mol·K24.06 J/mol·K

16.443 62.7

9.3 Thermal Conductivity

6.74 W/m·K138.00 W/m·K

6.3 429

9.4 Critical Temperature

NANA

26.3 3223

9.5 Thermal Expansion

46.70 µm/(m·K)4.80 µm/(m·K)

4.5 97

9.6 Enthalpy

9.6.1 Enthalpy of Vaporization

344.00 kJ/mol594.10 kJ/mol

7.32 799.1

9.6.2 Enthalpy of Fusion

2.82 kJ/mol27.61 kJ/mol

2.1 35.23

9.6.3 Enthalpy of Atomization

360.00 kJ/mol653.00 kJ/mol

61.5 837

9.7 Standard Molar Entropy

NA28.70 J/mol.K

9.5 198.1

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