What is Plutonium?

Plutonium

Periodic Table

Symbol

Group Number

0 18

Period Number

7 1

Block

f block

Element Family

Actinide

CAS Number

7440075 72

Space Group Name

P121/m1

Space Group Number

11.00 16

Facts

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.

Sources

Mining, Ores of metals

History

Who Discovered

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

Discovery

In Between 1940 1941

Abundance

Abundance In Universe

0.00 % 40

Abundance In Sun

0.00 % 21

Abundance In Meteorites

Abundance In Earth's Crust

0.00 % 60

Abundance In Oceans

Abundance In Humans

0.00 % 24

Uses

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.

Industrial Uses

Aerospace Industry, Ammunition Industry

Medical Uses

Other Uses

Alloys

Biological Properties

Toxicity

Toxic

Present in Human Body

In Blood

0.00 Blood/mg dm-3 40

In Bone

0.00 p.p.m. 41

Physical

Melting Point

639.50 °C 63

Boiling Point

3,235.00 °C 25

Appearance

Physical State

Solid

Color

Silvery White

Luster

Hardness

Mohs Hardness

4.00 11

Brinell Hardness

627.00 MPa 22

Vickers Hardness

617.00 MPa 26

Speed of Sound

2,260.00 m/s 58

Optical Properties

Refractive Index

1.90 18

Reflectivity

68.00 % 15

Allotropes

α Allotropes

β Allotropes

γ Allotropes

Chemical

Chemical Formula

Isotopes

Known Isotopes

20 19

Electronegativity

Pauling Electronegativity

1.28 34

Sanderson Electronegativity

1.28 26

Allred Rochow Electronegativity

1.22 27

Mulliken-Jaffe Electronegativity

1.30 33

Allen Electronegativity

1.28 42

Electropositivity

Pauling Electropositivity

2.72 21

Ionization Energies

1st Energy Level

584.70 kJ/mol 61

2nd Energy Level

1,128.00 kJ/mol 73

3rd Energy Level

2,084.00 kJ/mol 74

4th Energy Level

3,338.00 kJ/mol 69

5th Energy Level

5,847.00 kJ/mol 53

6th Energy Level

5,847.00 kJ/mol 66

7th Energy level

5,840.00 kJ/mol 58

8th Energy Level

5,840.00 kJ/mol 56

9th Energy Level

5,840.00 kJ/mol 55

10th Energy Level

5,840.00 kJ/mol 56

11th Energy Level

5,840.00 kJ/mol 61

12th Energy Level

58,400.00 kJ/mol 18

13th Energy Level

5,840.00 kJ/mol 50

14th Energy Level

5,840.00 kJ/mol 39

15th Energy Level

58,400.00 kJ/mol 51

16th Energy Level

58,400.00 kJ/mol 40

17th Energy Level

584.70 kJ/mol 62

18th Energy Level

5,840.00 kJ/mol 53

19th Energy Level

584.70 kJ/mol 60

20th Energy Level

584.00 kJ/mol 56

21st Energy Level

584.70 kJ/mol 69

22nd Energy Level

584.00 kJ/mol 51

23rd Energy Level

584.70 kJ/mol 69

24th Energy Level

584.70 kJ/mol 53

25th Energy Level

584.70 kJ/mol 55

26th Energy Level

584.70 kJ/mol 57

27th Energy Level

584.70 kJ/mol 56

28th Energy Level

584.70 kJ/mol 60

29th Energy Level

584.70 kJ/mol 61

30th Energy Level

584.00 kJ/mol 58

Electrochemical Equivalent

2.28 g/amp-hr 26

Electron Work Function

3.88 eV 38

Other Chemical Properties

Corrosion, Ionization, Radioactive Isotopes, Radioactivity

Atomic

Atomic Number

94 24

Electron Configuration

[Rn] 5f⁶ 7s²

Crystal Structure

Monoclinic (MON)

Crystal Lattice

MON-Crystal-Structure-of-Plutonium.jpg#100

Atom

Number of Protons

94 24

Number of Neutrons

150 12

Number of Electrons

94 24

Radius of an Atom

Atomic Radius

159.00 pm 30

Covalent Radius

187.00 pm 20

Van der Waals Radius

200.00 pm 35

Atomic Weight

244.00 amu 19

Atomic Volume

12.32 cm3/mol 59

Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

64.90 (-eV) 21

Lattice Constant

618.30 pm 4

Lattice Angles

Lattice C/A Ratio

1.74 6

Mechanical

Density

Density At Room Temperature

19.82 g/cm³ 13

Density When Liquid (at m.p.)

16.63 g/cm3 18

Tensile Strength

40.00 MPa 42

Viscosity

0.00 25

Vapor Pressure

Vapor Pressure at 1000 K

0.00 (Pa) 28

Vapor Pressure at 2000 K

2.20 (Pa) 12

Elasticity properties

Shear Modulus

43.00 GPa 18

Bulk Modulus

100.00 GPa 16

Young's Modulus

96.00 GPa 23

Poisson Ratio

0.21 33

Other Mechanical Properties

Ductile, Malleable

Magnetic

Magnetic Characteristics

Specific Gravity

19.84 16

Magnetic Ordering

Paramagnetic

Permeability

0.00 H/m 16

Susceptibility

0.00 21

Electrical Properties

Electrical Property

Poor Conductor

Resistivity

1.46 nΩ·m 66

Electrical Conductivity

0.01 10⁶/cm Ω 69

Electron Affinity

0.60 kJ/mol 48

Thermal

Specific Heat

0.13 J/(kg K) 40

Molar Heat Capacity

35.50 J/mol·K 4

Thermal Conductivity

6.74 W/m·K 72

Critical Temperature

913.00 K 64

Thermal Expansion

46.70 µm/(m·K) 6

Enthalpy

Enthalpy of Vaporization

344.00 kJ/mol 36

Enthalpy of Fusion

2.82 kJ/mol 65

Enthalpy of Atomization

360.00 kJ/mol 35

Standard Molar Entropy

37.10 J/mol.K 57

Periodic Table >>

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