Home
Compare Metals


Ruthenium vs Plutonium


Plutonium vs Ruthenium


Periodic Table

Symbol
Ru  
Pu  

Group Number
8  
10
0  
18

Period Number
5  
7  

Block
d block  
f block  

Element Family
Transition Metal  
Actinide  

CAS Number
7440188  
99+
7440075  
99+

Space Group Name
P63/mmc  
P121/m1  

Space Group Number
194.00  
7
11.00  
16

Facts

Interesting Facts
  • Ruthenium element has been extracted from used nuclear fuel.
  • Ruthenium metal also produces as a by-product of the Nickel mining.
  
  • 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
By-product of Nickel Refining, Found in Minerals, Mining  
Mining, Ores of metals  

History
  
  

Who Discovered
Karl Ernst Claus  
Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan  

Discovery
In 1844  
In Between 1940 1941  

Abundance
  
  

Abundance In Universe
0.00 %  
21
0.00 %  
40

Abundance In Sun
0.00 %  
22
0.00 %  
21

Abundance In Meteorites
0.00 %  
26
-  

Abundance In Earth's Crust
0.00 %  
99+
0.00 %  
99+

Abundance In Oceans
0.00 %  
38
-  

Abundance In Humans
0.00 %  
24
0.00 %  
24

Uses

Uses & Benefits
  • It is used for producing chip resistors and contact.
  • Ruthenium oxide is used to coat the anodes cells for chlorine production in chemical industry. It also works as catalysts for ammonia and acetic acid reaction.
  
  • 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, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
Aerospace Industry, Ammunition Industry  

Medical Uses
Medical Research  
-  

Other Uses
Alloys  
Alloys  

Biological Properties
  
  

Toxicity
Low Toxic  
Toxic  

Present in Human Body
No  
No  

In Blood
0.00 Blood/mg dm-3  
37
0.00 Blood/mg dm-3  
40

In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+

Physical

Melting Point
2,250.00 °C  
8
639.50 °C  
99+

Boiling Point
3,900.00 °C  
14
3,235.00 °C  
25

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silvery White  
Silvery White  

Luster
Metallic  
-  

Hardness
  
  

Mohs Hardness
6.50  
5
4.00  
11

Brinell Hardness
2,160.00 MPa  
3
627.00 MPa  
22

Vickers Hardness
1,160.00 MPa  
14
617.00 MPa  
26

Speed of Sound
5,970.00 m/s  
7
2,260.00 m/s  
99+

Optical Properties
  
  

Refractive Index
2.60  
4
1.90  
18

Reflectivity
6.00 %  
38
68.00 %  
15

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Ru  
Pu  

Isotopes
  
  

Known Isotopes
26  
13
20  
19

Electronegativity
  
  

Pauling Electronegativity
2.20  
5
1.28  
34

Sanderson Electronegativity
2.20  
8
1.28  
26

Allred Rochow Electronegativity
1.42  
19
1.22  
27

Mulliken-Jaffe Electronegativity
2.20  
6
1.30  
33

Allen Electronegativity
1.54  
28
1.28  
99+

Electropositivity
  
  

Pauling Electropositivity
1.80  
99+
2.72  
21

Ionization Energies
  
  

1st Energy Level
710.20 kJ/mol  
32
584.70 kJ/mol  
99+

2nd Energy Level
710.22 kJ/mol  
99+
1,128.00 kJ/mol  
99+

3rd Energy Level
2,747.00 kJ/mol  
38
2,084.00 kJ/mol  
99+

4th Energy Level
7,107.00 kJ/mol  
12
3,338.00 kJ/mol  
99+

5th Energy Level
7,107.00 kJ/mol  
27
5,847.00 kJ/mol  
99+

6th Energy Level
7,107.00 kJ/mol  
99+
5,847.00 kJ/mol  
99+

7th Energy level
7,100.00 kJ/mol  
37
5,840.00 kJ/mol  
99+

8th Energy Level
4,700.00 kJ/mol  
99+
5,840.00 kJ/mol  
99+

9th Energy Level
5,600.00 kJ/mol  
99+
5,840.00 kJ/mol  
99+

10th Energy Level
7,100.00 kJ/mol  
35
5,840.00 kJ/mol  
99+

11th Energy Level
7,197.00 kJ/mol  
32
5,840.00 kJ/mol  
99+

12th Energy Level
7,190.00 kJ/mol  
99+
58,400.00 kJ/mol  
18

13th Energy Level
7,100.00 kJ/mol  
29
5,840.00 kJ/mol  
99+

14th Energy Level
710.00 kJ/mol  
99+
5,840.00 kJ/mol  
39

15th Energy Level
71,000.00 kJ/mol  
25
58,400.00 kJ/mol  
99+

16th Energy Level
71,000.00 kJ/mol  
21
58,400.00 kJ/mol  
40

17th Energy Level
710.20 kJ/mol  
99+
584.70 kJ/mol  
99+

18th Energy Level
7,100.00 kJ/mol  
31
5,840.00 kJ/mol  
99+

19th Energy Level
710.20 kJ/mol  
38
584.70 kJ/mol  
99+

20th Energy Level
710.00 kJ/mol  
32
584.00 kJ/mol  
99+

21st Energy Level
710.20 kJ/mol  
99+
584.70 kJ/mol  
99+

22nd Energy Level
710.00 kJ/mol  
26
584.00 kJ/mol  
99+

23rd Energy Level
710.20 kJ/mol  
99+
584.70 kJ/mol  
99+

24th Energy Level
710.20 kJ/mol  
25
584.70 kJ/mol  
99+

25th Energy Level
710.00 kJ/mol  
26
584.70 kJ/mol  
99+

26th Energy Level
710.20 kJ/mol  
25
584.70 kJ/mol  
99+

27th Energy Level
710.20 kJ/mol  
25
584.70 kJ/mol  
99+

28th Energy Level
710.20 kJ/mol  
30
584.70 kJ/mol  
99+

29th Energy Level
710.20 kJ/mol  
31
584.70 kJ/mol  
99+

30th Energy Level
710.00 kJ/mol  
25
584.00 kJ/mol  
99+

Electrochemical Equivalent
1.26 g/amp-hr  
99+
2.28 g/amp-hr  
26

Electron Work Function
4.71 eV  
14
3.88 eV  
38

Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility  
Corrosion, Ionization, Radioactive Isotopes, Radioactivity  

Atomic

Atomic Number
44  
99+
94  
24

Electron Configuration
[Kr] 4d7 5s1  
[Rn] 5f6 7s2  

Crystal Structure
Hexagonal Close Packed (HCP)  
Monoclinic (MON)  

Crystal Lattice
rystal-Structure-of-Ruthenium.jpg#100  
MON-Crystal-Structure-of-Plutonium.jpg#100  

Atom
  
  

Number of Protons
44  
99+
94  
24

Number of Neutrons
57  
99+
150  
12

Number of Electrons
44  
99+
94  
24

Radius of an Atom
  
  

Atomic Radius
134.00 pm  
99+
159.00 pm  
30

Covalent Radius
146.00 pm  
40
187.00 pm  
20

Van der Waals Radius
200.00 pm  
35
200.00 pm  
35

Atomic Weight
101.07 amu  
99+
244.00 amu  
19

Atomic Volume
8.30 cm3/mol  
99+
12.32 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Neptunium
  

Next Element
Rhodium
  
Americium
  

Valence Electron Potential
64.00 (-eV)  
22
64.90 (-eV)  
21

Lattice Constant
270.59 pm  
99+
618.30 pm  
4

Lattice Angles
π/2, π/2, 2 π/3  
-  

Lattice C/A Ratio
1.58  
33
1.74  
6

Mechanical

Density
  
  

Density At Room Temperature
12.45 g/cm3  
29
19.82 g/cm3  
13

Density When Liquid (at m.p.)
10.65 g/cm3  
37
16.63 g/cm3  
18

Tensile Strength
50.00 MPa  
38
40.00 MPa  
99+

Viscosity
0.00  
25
0.00  
25

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
28

Vapor Pressure at 2000 K
0.00 (Pa)  
23
2.20 (Pa)  
12

Elasticity properties
  
  

Shear Modulus
173.00 GPa  
4
43.00 GPa  
18

Bulk Modulus
220.00 GPa  
7
100.00 GPa  
16

Young's Modulus
447.00 GPa  
3
96.00 GPa  
23

Poisson Ratio
0.30  
14
0.21  
33

Other Mechanical Properties
Ductile, Malleable  
Ductile, Malleable  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
12.45  
31
19.84  
16

Magnetic Ordering
Paramagnetic  
Paramagnetic  

Permeability
0.00 H/m  
17
0.00 H/m  
16

Susceptibility
0.00  
24
0.00  
21

Electrical Properties
  
  

Electrical Property
Conductor  
Poor Conductor  

Resistivity
71.00 nΩ·m  
38
1.46 nΩ·m  
99+

Electrical Conductivity
0.14 106/cm Ω  
18
0.01 106/cm Ω  
99+

Electron Affinity
101.30 kJ/mol  
11
0.60 kJ/mol  
99+

Thermal

Specific Heat
0.24 J/(kg K)  
24
0.13 J/(kg K)  
40

Molar Heat Capacity
24.06 J/mol·K  
99+
35.50 J/mol·K  
4

Thermal Conductivity
117.00 W/m·K  
13
6.74 W/m·K  
99+

Critical Temperature
2,607.00 K  
9
913.00 K  
99+

Thermal Expansion
6.40 µm/(m·K)  
99+
46.70 µm/(m·K)  
6

Enthalpy
  
  

Enthalpy of Vaporization
567.80 kJ/mol  
13
344.00 kJ/mol  
36

Enthalpy of Fusion
25.50 kJ/mol  
7
2.82 kJ/mol  
99+

Enthalpy of Atomization
603.00 kJ/mol  
10
360.00 kJ/mol  
35

Standard Molar Entropy
28.50 J/mol.K  
99+
37.10 J/mol.K  
99+

Periodic Table >>
<< All

Compare Transition Metals

Transition Metals

Transition Metals

» More Transition Metals

Compare Transition Metals

» More Compare Transition Metals