Periodic Table
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: 13 (Overall)
11
229
👆🏻
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
Not Available
5E-09
0.11
👆🏻
Abundance In Sun
Not Available
1E-08
0.1
👆🏻
Abundance In Meteorites
Not Available
1.7E-07
22
👆🏻
Abundance In Earth's Crust
Not Available
9.9E-12
8.1
👆🏻
Abundance In Oceans
Not Available
2E-23
1.1
👆🏻
Abundance In Humans
Not Available
1E-13
1.4
👆🏻
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
NA
Other Uses
Alloys
Biological Properties
Toxicity
Toxic
Present in Human Body
✔
✘
7% - Actinide Series Metals
In Blood
0.00 Blood/mg dm-3
Rank: 37 (Overall)
0
1970
👆🏻
In Bone
0.00 p.p.m.
Rank: 36 (Overall)
0
170000
👆🏻
Physical
Melting Point
639.50 °C
Rank: 63 (Overall)
27
3410
👆🏻
Boiling Point
3,235.00 °C
Rank: 24 (Overall)
147
5660
👆🏻
Appearance
Physical State
Solid
Color
Silvery White
Luster
NA
Hardness
Mohs Hardness
Not Available
0.2
8.5
👆🏻
Brinell Hardness
Not Available
0.14
3490
👆🏻
Vickers Hardness
Not Available
121
3430
👆🏻
Speed of Sound
2,260.00 m/s
Rank: 41 (Overall)
818
16200
👆🏻
Optical Properties
Refractive Index
Not Available
1.000933
1.7229
👆🏻
Reflectivity
Not Available
58
97
👆🏻
Allotropes
✔
✘
No - Actinide Series Metals has it !
α Allotropes
Not Available
β Allotropes
Not Available
γ Allotropes
Not Available
Chemical
Chemical Formula
Pu
Isotopes
Known Isotopes
20
Rank: 19 (Overall)
0
38
👆🏻
Electronegativity
Pauling Electronegativity
1.28
Rank: 33 (Overall)
0.7
2.54
👆🏻
Sanderson Electronegativity
Not Available
0.22
2.56
👆🏻
Allred Rochow Electronegativity
1.22
Rank: 26 (Overall)
0.86
1.82
👆🏻
Mulliken-Jaffe Electronegativity
Not Available
0.62
2.48
👆🏻
Allen Electronegativity
Not Available
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: 72 (Overall)
710.2162
28750
👆🏻
3rd Energy Level
2,084.00 kJ/mol
Rank: 71 (Overall)
1600
34230
👆🏻
4th Energy Level
3,338.00 kJ/mol
Rank: 59 (Overall)
2780
37066
👆🏻
5th Energy Level
Not Available
4305.2
97510
👆🏻
6th Energy Level
Not Available
5715.8
105800
👆🏻
7th Energy level
Not Available
7226.8
114300
👆🏻
8th Energy Level
Not Available
8857.4
125300
👆🏻
9th Energy Level
Not Available
14110
134700
👆🏻
10th Energy Level
Not Available
17100
144300
👆🏻
11th Energy Level
Not Available
19900
169988
👆🏻
12th Energy Level
Not Available
22219
189368
👆🏻
13th Energy Level
Not Available
26930
76015
👆🏻
14th Energy Level
Not Available
29196
86450
👆🏻
15th Energy Level
Not Available
41987
97510
👆🏻
16th Energy Level
Not Available
47206
109480
👆🏻
17th Energy Level
Not Available
52737
122200
👆🏻
18th Energy Level
Not Available
58570
134810
👆🏻
19th Energy Level
Not Available
64702
148700
👆🏻
20th Energy Level
Not Available
80400
171200
👆🏻
21st Energy Level
Not Available
87000
179100
👆🏻
22nd Energy Level
Not Available
93400
184900
👆🏻
23rd Energy Level
Not Available
98420
198800
👆🏻
24th Energy Level
Not Available
104400
195200
👆🏻
25th Energy Level
Not Available
121900
121900
👆🏻
26th Energy Level
Not Available
127700
127700
👆🏻
27th Energy Level
Not Available
133800
133800
👆🏻
28th Energy Level
Not Available
139800
139800
👆🏻
29th Energy Level
Not Available
148100
148100
👆🏻
30th Energy Level
Not Available
154500
154500
👆🏻
Electrochemical Equivalent
2.28 g/amp-hr
Rank: 22 (Overall)
0.16812
8.3209
👆🏻
Electron Work Function
Not Available
2.14
5.65
👆🏻
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity
Atomic
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: 11 (Overall)
4
184
👆🏻
Number of Electrons
94
Rank: 24 (Overall)
3
117
👆🏻
Radius of an Atom
Atomic Radius
159.00 pm
Rank: 28 (Overall)
112
265
👆🏻
Covalent Radius
187.00 pm
Rank: 20 (Overall)
96
260
👆🏻
Van der Waals Radius
200.00 pm
Rank: 28 (Overall)
139
348
👆🏻
Atomic Weight
244.00 amu
Rank: 19 (Overall)
6.94
294
👆🏻
Atomic Volume
12.32 cm3/mol
Rank: 41 (Overall)
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
64.90 (-eV)
Rank: 21 (Overall)
8
392.42
👆🏻
Lattice Constant
618.30 pm
Rank: 4 (Overall)
228.58
891.25
👆🏻
Lattice Angles
NA
Lattice C/A Ratio
Not Available
1.567
1.886
👆🏻
Mechanical
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: 8 (Overall)
0.512
20
👆🏻
Tensile Strength
Not Available
2.5
11000
👆🏻
Viscosity
Not Available
0.001526
0.001526
👆🏻
Vapor Pressure
Vapor Pressure at 1000 K
0.00 (Pa)
Rank: 26 (Overall)
2.47E-11
121
👆🏻
Vapor Pressure at 2000 K
2.20 (Pa)
Rank: 12 (Overall)
2.62E-10
774
👆🏻
Elasticity properties
Shear Modulus
43.00 GPa
Rank: 18 (Overall)
1.3
222
👆🏻
Bulk Modulus
Not Available
1.6
462
👆🏻
Young's Modulus
96.00 GPa
Rank: 21 (Overall)
1.7
528
👆🏻
Poisson Ratio
0.21
Rank: 32 (Overall)
0.032
0.47
👆🏻
Other Mechanical Properties
Ductile, Malleable
Magnetic
Magnetic Characteristics
Specific Gravity
19.84
Rank: 7 (Overall)
0.53
4500
👆🏻
Magnetic Ordering
Paramagnetic
Permeability
Not Available
1.25643E-06
0.0063
👆🏻
Susceptibility
Not Available
-0.000166
200000
👆🏻
Electrical Properties
Electrical Property
Poor Conductor
Resistivity
1.46 nΩ·m
Rank: 54 (Overall)
0.18
961
👆🏻
Electrical Conductivity
0.01 106/cm Ω
Rank: 64 (Overall)
0.00666
0.63
👆🏻
Electron Affinity
Not Available
0
222.8
👆🏻
Thermal
Specific Heat
0.13 J/(kg K)
Rank: 39 (Overall)
0.11
3.6
👆🏻
Molar Heat Capacity
35.50 J/mol·K
Rank: 3 (Overall)
16.443
62.7
👆🏻
Thermal Conductivity
6.74 W/m·K
Rank: 69 (Overall)
6.3
429
👆🏻
Critical Temperature
Not Available
26.3
3223
👆🏻
Thermal Expansion
46.70 µm/(m·K)
Rank: 6 (Overall)
4.5
97
👆🏻
Enthalpy
Enthalpy of Vaporization
344.00 kJ/mol
Rank: 25 (Overall)
7.32
799.1
👆🏻
Enthalpy of Fusion
2.82 kJ/mol
Rank: 58 (Overall)
2.1
35.23
👆🏻
Enthalpy of Atomization
360.00 kJ/mol
Rank: 26 (Overall)
61.5
837
👆🏻
Standard Molar Entropy
Not Available
9.5
198.1
👆🏻