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Periodic Table Element Comparison: Compare Elements - Ruthenium vs Hafnium

Compare Ruthenium and Hafnium

Compare Ruthenium and Hafnium 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 Ruthenium vs Hafnium with most reliable information about their properties, attributes, facts, uses etc. You can compare Ru vs Hf on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.

Facts

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
Hafnium
72
Hf
178.49
Solid
Gray
transition metal
4
titanium family 
6
d
[Xe] 4f14 5d2 6s2
2233 °C
4603 °C
2, 8, 18, 32, 10, 2
CAS7440-58-6
Neighborhood Elements of Hafnium

History

History
The element Ruthenium was discovered by Karl Ernst Claus in year 1844 in Russia. Ruthenium derived its name from from Ruthenia, the New Latin name for Russia
The element Hafnium was discovered by Dirk Coster in year 1923 in Denmark. Hafnium derived its name derived its name from from Hafnia, the New Latin name for Copenhagen

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
4×10-7%
5×10-7%
8.1e-07
9.9×10-8%
7×10-11%
N/A
7×10-8%
1×10-7%
1.7e-07
3.3e-06
8×10-10%
N/A

Crystal Structure and Atomic 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
208 pm
13.410217881292 cm3
150 pm
N/A
104
hafnium Spectrum
319.64, 319.64, 505.11 pm
π/2, π/2, 2 π/3
P63/mmc
194

Simple Hexagonal

hafnium 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
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
72
72
72
178.49
106.49
2, 8, 18, 32, 10, 2
[Xe] 4f14 5d2 6s2
5d2 6s2
-2  1;2;3;4
3F2
hafnium Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
100Ru, 101Ru, 102Ru, 104Ru, 96Ru, 98Ru, 99Ru.
Naturally occurring stable isotopes:
176Hf, 177Hf, 178Hf, 179Hf, 180Hf.

Chemical Properties: Ionization Energies and electron affinity

6
2.2
101.3 kJ/mol
710.2, 1620, 2747 kJ/mol
4
1.3
0 kJ/mol
658.5, 1440, 2250, 3216 kJ/mol

Physical Properties

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
13.31 g/cm3
13.410217881292

 

78 GPa
30 GPa
110 GPa
0.37


 

5.5 MPa
1760 MPa
1.7×103 MPa

 

3.3×106 S/m
3×10-7 m Ω
0.128

 

23 W/(m K)
5.9×10-6 K-1

 

Paramagnetic
N/A
5.3×10-9
9.46×10-10
7.05e-05

 

N/A

 

3010 m/s

Thermal Properties - Enthalpies and thermodynamics

2334 °C
4150 °C
N/A
0.49

 

25.7 kJ/mol
580 kJ/mol
N/A
2233 °C
4603 °C
N/A
0.128

 

25.5 kJ/mol
630 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

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

 

N/A
N/A
CAS7440-58-6
RTECSMG4600000
4.2
2545
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A

Compare With Other Elements

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