Symbol
Pu
Group Number
0
Rank: 18 (Overall)
0
17
👆🏻
Period Number
7
Rank: 1 (Overall)
2
7
👆🏻
Block
f block
Element Family
Actinide
CAS Number
7440075
Rank: 72 (Overall)
7429905
54386242
👆🏻
Space Group Name
P121/m1
Space Group Number
11.00
Rank: 16 (Overall)
11
276
👆🏻
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 %
Rank: 40 (Overall)
0
0.11
👆🏻
Abundance In Sun
0.00 %
Rank: 21 (Overall)
0
0.1
👆🏻
Abundance In Meteorites
-
0
22
👆🏻
Abundance In Earth's Crust
0.00 %
Rank: 60 (Overall)
1E-37
8.1
👆🏻
Abundance In Oceans
-
0
1.1
👆🏻
Abundance In Humans
0.00 %
Rank: 24 (Overall)
0
1.4
👆🏻
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
✔
✘
7% - Actinide Series Metals
In Blood
0.00 Blood/mg dm-3
Rank: 40 (Overall)
0
1970
👆🏻
In Bone
0.00 p.p.m.
Rank: 41 (Overall)
0
170000
👆🏻
Melting Point
639.50 °C
Rank: 63 (Overall)
-38.83
3410
👆🏻
Boiling Point
3,235.00 °C
Rank: 25 (Overall)
0
5660
👆🏻
Appearance
Physical State
Solid
Color
Silvery White
Luster
-
Hardness
Mohs Hardness
4.00
Rank: 11 (Overall)
0.2
8.5
👆🏻
Brinell Hardness
627.00 MPa
Rank: 22 (Overall)
0.14
3490
👆🏻
Vickers Hardness
617.00 MPa
Rank: 26 (Overall)
0
3920
👆🏻
Speed of Sound
2,260.00 m/s
Rank: 58 (Overall)
818
16200
👆🏻
Optical Properties
Refractive Index
1.90
Rank: 18 (Overall)
0.155
3.41
👆🏻
Reflectivity
68.00 %
Rank: 15 (Overall)
5
97
👆🏻
Allotropes
✔
✘
No - Actinide Series Metals has it !
α Allotropes
-
β Allotropes
-
γ Allotropes
-
Chemical Formula
Pu
Isotopes
Known Isotopes
20
Rank: 19 (Overall)
0
38
👆🏻
Electronegativity
Pauling Electronegativity
1.28
Rank: 34 (Overall)
0
2.6
👆🏻
Sanderson Electronegativity
1.28
Rank: 26 (Overall)
0.22
2.56
👆🏻
Allred Rochow Electronegativity
1.22
Rank: 27 (Overall)
0.86
1.9
👆🏻
Mulliken-Jaffe Electronegativity
1.30
Rank: 33 (Overall)
0.62
2.48
👆🏻
Allen Electronegativity
1.28
Rank: 42 (Overall)
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
2.72
Rank: 21 (Overall)
1.46
3.3
👆🏻
Ionization Energies
1st Energy Level
584.70 kJ/mol
Rank: 61 (Overall)
375.7
26130
👆🏻
2nd Energy Level
1,128.00 kJ/mol
Rank: 73 (Overall)
392.8
28750
👆🏻
3rd Energy Level
2,084.00 kJ/mol
Rank: 74 (Overall)
392.8
34230
👆🏻
4th Energy Level
3,338.00 kJ/mol
Rank: 69 (Overall)
375.7
37066
👆🏻
5th Energy Level
5,847.00 kJ/mol
Rank: 53 (Overall)
392
97510
👆🏻
6th Energy Level
5,847.00 kJ/mol
Rank: 66 (Overall)
1007
105800
👆🏻
7th Energy level
5,840.00 kJ/mol
Rank: 58 (Overall)
1007
114300
👆🏻
8th Energy Level
5,840.00 kJ/mol
Rank: 56 (Overall)
730
125300
👆🏻
9th Energy Level
5,840.00 kJ/mol
Rank: 55 (Overall)
1007
134700
👆🏻
10th Energy Level
5,840.00 kJ/mol
Rank: 56 (Overall)
392
144300
👆🏻
11th Energy Level
5,840.00 kJ/mol
Rank: 61 (Overall)
392
169988
👆🏻
12th Energy Level
58,400.00 kJ/mol
Rank: 18 (Overall)
0
189368
👆🏻
13th Energy Level
5,840.00 kJ/mol
Rank: 50 (Overall)
1007
76015
👆🏻
14th Energy Level
5,840.00 kJ/mol
Rank: 39 (Overall)
380
86450
👆🏻
15th Energy Level
58,400.00 kJ/mol
Rank: 51 (Overall)
33000
100700
👆🏻
16th Energy Level
58,400.00 kJ/mol
Rank: 40 (Overall)
375.7
109480
👆🏻
17th Energy Level
584.70 kJ/mol
Rank: 62 (Overall)
375.7
122200
👆🏻
18th Energy Level
5,840.00 kJ/mol
Rank: 53 (Overall)
0
134810
👆🏻
19th Energy Level
584.70 kJ/mol
Rank: 60 (Overall)
375.7
148700
👆🏻
20th Energy Level
584.00 kJ/mol
Rank: 56 (Overall)
0
171200
👆🏻
21st Energy Level
584.70 kJ/mol
Rank: 69 (Overall)
375.7
179100
👆🏻
22nd Energy Level
584.00 kJ/mol
Rank: 51 (Overall)
330
184900
👆🏻
23rd Energy Level
584.70 kJ/mol
Rank: 69 (Overall)
357.6
198800
👆🏻
24th Energy Level
584.70 kJ/mol
Rank: 53 (Overall)
297.3
195200
👆🏻
25th Energy Level
584.70 kJ/mol
Rank: 55 (Overall)
0
121900
👆🏻
26th Energy Level
584.70 kJ/mol
Rank: 57 (Overall)
357.6
127700
👆🏻
27th Energy Level
584.70 kJ/mol
Rank: 56 (Overall)
0
133800
👆🏻
28th Energy Level
584.70 kJ/mol
Rank: 60 (Overall)
297.3
139800
👆🏻
29th Energy Level
584.70 kJ/mol
Rank: 61 (Overall)
0
148100
👆🏻
30th Energy Level
584.00 kJ/mol
Rank: 58 (Overall)
0
154500
👆🏻
Electrochemical Equivalent
2.28 g/amp-hr
Rank: 26 (Overall)
0.16812
8.3209
👆🏻
Electron Work Function
3.88 eV
Rank: 38 (Overall)
2.14
6
👆🏻
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity
Atomic Number
94
Rank: 24 (Overall)
3
117
👆🏻
Electron Configuration
[Rn] 5f6 7s2
Crystal Structure
Monoclinic (MON)
Crystal Lattice
Atom
Number of Protons
94
Rank: 24 (Overall)
3
117
👆🏻
Number of Neutrons
150
Rank: 12 (Overall)
4
285
👆🏻
Number of Electrons
94
Rank: 24 (Overall)
3
117
👆🏻
Radius of an Atom
Atomic Radius
159.00 pm
Rank: 30 (Overall)
0
348
👆🏻
Covalent Radius
187.00 pm
Rank: 20 (Overall)
0
260
👆🏻
Van der Waals Radius
200.00 pm
Rank: 35 (Overall)
0
348
👆🏻
Atomic Weight
244.00 amu
Rank: 19 (Overall)
6.94
294
👆🏻
Atomic Volume
12.32 cm3/mol
Rank: 59 (Overall)
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
64.90 (-eV)
Rank: 21 (Overall)
0
392.42
👆🏻
Lattice Constant
618.30 pm
Rank: 4 (Overall)
0
891.25
👆🏻
Lattice Angles
-
Lattice C/A Ratio
1.74
Rank: 6 (Overall)
0.423
1.9
👆🏻
Density
Density At Room Temperature
19.82 g/cm3
Rank: 13 (Overall)
0.534
40.7
👆🏻
Density When Liquid (at m.p.)
16.63 g/cm3
Rank: 18 (Overall)
0.512
41
👆🏻
Tensile Strength
40.00 MPa
Rank: 42 (Overall)
0.1
11000
👆🏻
Viscosity
0.00
Rank: 25 (Overall)
1.5E-05
0.0035
👆🏻
Vapor Pressure
Vapor Pressure at 1000 K
0.00 (Pa)
Rank: 28 (Overall)
0
121
👆🏻
Vapor Pressure at 2000 K
2.20 (Pa)
Rank: 12 (Overall)
0
774
👆🏻
Elasticity properties
Shear Modulus
43.00 GPa
Rank: 18 (Overall)
1.3
222
👆🏻
Bulk Modulus
100.00 GPa
Rank: 16 (Overall)
0
462
👆🏻
Young's Modulus
96.00 GPa
Rank: 23 (Overall)
0
528
👆🏻
Poisson Ratio
0.21
Rank: 33 (Overall)
0.032
0.47
👆🏻
Other Mechanical Properties
Ductile, Malleable
Magnetic Characteristics
Specific Gravity
19.84
Rank: 16 (Overall)
0.53
4500
👆🏻
Magnetic Ordering
Paramagnetic
Permeability
0.00 H/m
Rank: 16 (Overall)
1.25643E-06
0.0063
👆🏻
Susceptibility
0.00
Rank: 21 (Overall)
-0.000166
200000
👆🏻
Electrical Properties
Electrical Property
Poor Conductor
Resistivity
1.46 nΩ·m
Rank: 66 (Overall)
0.1
961
👆🏻
Electrical Conductivity
0.01 106/cm Ω
Rank: 69 (Overall)
0
0.63
👆🏻
Electron Affinity
0.60 kJ/mol
Rank: 48 (Overall)
0
222.8
👆🏻
Specific Heat
0.13 J/(kg K)
Rank: 40 (Overall)
0.1
3.6
👆🏻
Molar Heat Capacity
35.50 J/mol·K
Rank: 4 (Overall)
13.1
62.7
👆🏻
Thermal Conductivity
6.74 W/m·K
Rank: 72 (Overall)
0
429
👆🏻
Critical Temperature
913.00 K
Rank: 64 (Overall)
26.3
3695
👆🏻
Thermal Expansion
46.70 µm/(m·K)
Rank: 6 (Overall)
4.5
97
👆🏻
Enthalpy
Enthalpy of Vaporization
344.00 kJ/mol
Rank: 36 (Overall)
7.32
799.1
👆🏻
Enthalpy of Fusion
2.82 kJ/mol
Rank: 65 (Overall)
2.1
35.23
👆🏻
Enthalpy of Atomization
360.00 kJ/mol
Rank: 35 (Overall)
61.5
837
👆🏻
Standard Molar Entropy
37.10 J/mol.K
Rank: 57 (Overall)
9.5
198.1
👆🏻