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Periodic Table Element Comparison: Compare Elements - Promethium vs Ruthenium

Compare Promethium and Ruthenium

Compare Promethium and Ruthenium on the basis of their properties, attributes and periodic table facts. Compare elements on more than 90 properties. All the elements of similar categories show a lot of similarities and differences in their chemical, atomic, physical properties and uses. These similarities and dissimilarities should be known while we study periodic table elements. You can study the detailed comparison between Promethium vs Ruthenium with most reliable information about their properties, attributes, facts, uses etc. You can compare Pm vs Ru on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.

Facts

Promethium
61
Pm
145
Solid
Silver
lanthanide
N/A
 
6
f
[Xe] 4f5 6s2
1.1×103 °C
3×103 °C
2, 8, 18, 23, 8, 2
CAS7440-12-2
Neighborhood Elements of Promethium
Ruthenium
44
Ru
101.07
Solid
Silver
transition metal
8
iron family 
5
d
[Kr] 4d7 5s1
2334 °C
4150 °C
2, 8, 18, 15, 1
CAS7440-18-8
Neighborhood Elements of Ruthenium

History

History
The element Promethium was discovered by Chien Shiung Wu in year 1945 in United States. Promethium derived its name from from Prometheus of Greek mythology who stole fire from the Gods and gave it to humans
The element Ruthenium was discovered by Karl Ernst Claus in year 1844 in Russia. Ruthenium derived its name derived its name from from Ruthenia, the New Latin name for Russia

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
N/A
None
None
None
None
None
4×10-7%
5×10-7%
8.1e-07
9.9×10-8%
7×10-11%
N/A

Crystal Structure and Atomic Structure

205 pm
19.961453744493 cm3
N/A
N/A
8×103
promethium Spectrum
N/A
N/A
N/A
N/A

Simple Hexagonal

promethium Crystal Structure
178 pm
8.1705739692805 cm3
126 pm
N/A
2.6
ruthenium Spectrum
270.59, 270.59, 428.15 pm
π/2, π/2, 2 π/3
P63/mmc
194

Simple Hexagonal

ruthenium Crystal Structure

Atomic and Orbital Properties

Atomic Number
Number of Electrons (with no charge)
Number of Protons
Mass Number
Number of Neutrons
Shell structure (Electrons per energy level)
Electron Configuration
Valence Electrons
Oxidation State
Atomic Term Symbol (Quantum Numbers)
Shell structure
61
61
61
145
84
2, 8, 18, 23, 8, 2
[Xe] 4f5 6s2
4f5 6s2
 2;3
6H5/2
promethium Shells
44
44
44
101.07
57.07
2, 8, 18, 15, 1
[Kr] 4d7 5s1
4d7 5s1
-4;-2  1;2;3;4;5;6;7;8
5F5
ruthenium Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
None.
Naturally occurring stable isotopes:
100Ru, 101Ru, 102Ru, 104Ru, 96Ru, 98Ru, 99Ru.

Chemical Properties: Ionization Energies and electron affinity

3
N/A
50 kJ/mol
540, 1050, 2150, 3970 kJ/mol
6
2.2
101.3 kJ/mol
710.2, 1620, 2747 kJ/mol

Physical Properties

7.264 g/cm3
19.961453744493

 

46 GPa
18 GPa
33 GPa
0.28


 

N/A
N/A
N/A

 

1.3×106 S/m
7.5×10-7 m Ω
N/A

 

15 W/(m K)
0.000011 K-1

 

N/A
N/A
N/A
N/A
N/A

 

N/A

 

N/A
12.37 g/cm3
8.1705739692805

 

447 GPa
173 GPa
220 GPa
0.3


 

6.5 MPa
N/A
2160 MPa

 

1.4×107 S/m
7.1×10-8 m Ω
0.49

 

120 W/(m K)
6.4×10-6 K-1

 

Paramagnetic
N/A
5.42×10-9
5.48×10-10
6.7e-05

 

N/A

 

5970 m/s

Thermal Properties - Enthalpies and thermodynamics

1.1×103 °C
3×103 °C
N/A
N/A

 

7.7 kJ/mol
290 kJ/mol
N/A
2334 °C
4150 °C
N/A
0.49

 

25.7 kJ/mol
580 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

CAS7440-12-2
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A
CAS7440-18-8
N/A
4.1
3089
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A