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Periodic Table Element Comparison: Compare Elements - Hafnium vs Seaborgium

Compare Hafnium and Seaborgium

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

Facts

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
Seaborgium
106
Sg
266
Solid
N/A
transition metal
6
chromium family 
7
d
[Rn] 5f14 6d4 7s2
N/A
N/A
2, 8, 18, 32, 32, 12, 2
CAS54038-81-2
Neighborhood Elements of Seaborgium

History

History
The element Hafnium was discovered by Dirk Coster in year 1923 in Denmark. Hafnium derived its name from from Hafnia, the New Latin name for Copenhagen
The element Seaborgium was discovered by Lawrence Berkeley National Laboratory in year 1974 in United States. Seaborgium derived its name derived its name from from Glenn T. Seaborg, scientist

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
7×10-8%
1×10-7%
1.7e-07
3.3e-06
8×10-10%
N/A
N/A
None
None
None
None
None

Crystal Structure and Atomic 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
N/A
N/A cm3
N/A
N/A
N/A
seaborgium Spectrum
N/A
N/A
N/A
N/A

Body Centered Cubic

seaborgium 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
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
106
106
106
266
160
2, 8, 18, 32, 32, 12, 2
[Rn] 5f14 6d4 7s2
6d4 7s2
 6
5D0
seaborgium Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
176Hf, 177Hf, 178Hf, 179Hf, 180Hf.
Naturally occurring stable isotopes:
None.

Chemical Properties: Ionization Energies and electron affinity

4
1.3
0 kJ/mol
658.5, 1440, 2250, 3216 kJ/mol
6
N/A
N/A
N/A

Physical Properties

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
N/A
N/A

 

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


 

N/A
N/A
N/A

 

N/A
N/A
N/A

 

N/A
N/A

 

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

 

N/A

 

N/A

Thermal Properties - Enthalpies and thermodynamics

2233 °C
4603 °C
N/A
0.128

 

25.5 kJ/mol
630 kJ/mol
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

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

 

N/A
N/A
CAS54038-81-2
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A

Compare With Other Elements

Elements of the Same Group
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