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Hassium vs Gadolinium

Hassium
Gadolinium
Gadolinium vs Hassium


Periodic Table
Symbol
Hs  
Gd  
Group Number
8  
10
0  
18
Period Number
7  
6  
Block
d block  
f block  
Element Family
Transition Metal  
Lanthanide  
CAS Number
54037579  
11
7440542  
33
Space Group Name
-  
P63/mmc  
Space Group Number
166.00  
9
194.00  
7
Facts
Interesting Facts
  • Hassium metals rate of decay is very high.
  • Hassium metals 1st sample was synthesized through a nuclear reaction.
  
  • Gadolinium is not found free in nature, hence it is not a native metal.
  • Gadolinium metal found in minerals like Monazite and Bastnaesite.
  
Sources
Synthetically Produced  
Found in Minerals, Mining  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung  
Jean Charles Galissard de Marignac  
Discovery
In 1984  
In 1880  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
23
Abundance In Sun
-  
0.00 %  
25
Abundance In Meteorites
0.00 %  
99+
0.00 %  
34
Abundance In Earth's Crust
-  
0.00 %  
30
Abundance In Oceans
-  
0.00 %  
38
Abundance In Humans
-  
0.00 %  
24
Uses
Uses & Benefits
  • Currently known uses of Hassium metal are limited to research purpose only.
  
  • Its alloys are also used in making Magnets, electronic components and Data storage devices.
  • Compound of Gadolinium metal are used in magnetic resonance imaging (MRI).
  
Industrial Uses
-  
Aerospace Industry, Electrical Industry, Electronic Industry  
Medical Uses
-  
-  
Other Uses
Research Purposes  
Alloys  
Biological Properties
  
  
Toxicity
-  
Non Toxic  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
40
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
-  
1,311.00 °C  
35
Boiling Point
0.00 °C  
99+
3,233.00 °C  
26
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silver  
Silvery White  
Luster
-  
Metallic  
Hardness
  
  
Mohs Hardness
4.50  
10
4.50  
10
Brinell Hardness
230.00 MPa  
99+
700.00 MPa  
17
Vickers Hardness
2,450.00 MPa  
5
510.00 MPa  
34
Speed of Sound
2,760.00 m/s  
99+
2,680.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.30  
99+
1.97  
16
Reflectivity
69.00 %  
14
59.00 %  
24
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Hs  
Gd  
Isotopes
  
  
Known Isotopes
7  
31
26  
13
Electronegativity
  
  
Pauling Electronegativity
2.20  
5
1.20  
40
Sanderson Electronegativity
1.30  
25
1.20  
32
Allred Rochow Electronegativity
1.30  
25
1.11  
30
Mulliken-Jaffe Electronegativity
1.30  
33
1.20  
39
Allen Electronegativity
1.30  
40
1.20  
99+
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.80  
15
Ionization Energies
  
  
1st Energy Level
733.30 kJ/mol  
26
593.40 kJ/mol  
99+
2nd Energy Level
1,756.00 kJ/mol  
25
1,170.00 kJ/mol  
99+
3rd Energy Level
2,827.00 kJ/mol  
37
1,990.00 kJ/mol  
99+
4th Energy Level
3,637.50 kJ/mol  
99+
4,250.00 kJ/mol  
40
5th Energy Level
4,940.00 kJ/mol  
99+
5,930.00 kJ/mol  
99+
6th Energy Level
6,175.10 kJ/mol  
99+
5,930.00 kJ/mol  
99+
7th Energy level
7,535.50 kJ/mol  
32
5,930.00 kJ/mol  
99+
8th Energy Level
8,857.40 kJ/mol  
21
5,930.00 kJ/mol  
99+
9th Energy Level
5,400.00 kJ/mol  
99+
5,930.00 kJ/mol  
99+
10th Energy Level
6,100.00 kJ/mol  
99+
5,930.00 kJ/mol  
99+
11th Energy Level
6,100.00 kJ/mol  
99+
5,930.00 kJ/mol  
99+
12th Energy Level
3,500.00 kJ/mol  
99+
59,300.00 kJ/mol  
17
13th Energy Level
4,200.00 kJ/mol  
99+
5,930.00 kJ/mol  
99+
14th Energy Level
1,124.00 kJ/mol  
99+
5,930.00 kJ/mol  
36
15th Energy Level
68,200.00 kJ/mol  
31
59,300.00 kJ/mol  
99+
16th Energy Level
32,800.00 kJ/mol  
99+
59,300.00 kJ/mol  
37
17th Energy Level
1,089.00 kJ/mol  
22
594.10 kJ/mol  
99+
18th Energy Level
3,300.00 kJ/mol  
99+
5,930.00 kJ/mol  
99+
19th Energy Level
1,086.50 kJ/mol  
19
593.40 kJ/mol  
99+
20th Energy Level
880.00 kJ/mol  
14
594.00 kJ/mol  
99+
21st Energy Level
1,086.00 kJ/mol  
30
593.40 kJ/mol  
99+
22nd Energy Level
350.00 kJ/mol  
99+
593.00 kJ/mol  
99+
23rd Energy Level
1,120.00 kJ/mol  
34
593.40 kJ/mol  
99+
24th Energy Level
540.90 kJ/mol  
99+
593.40 kJ/mol  
99+
25th Energy Level
610.00 kJ/mol  
99+
593.00 kJ/mol  
99+
26th Energy Level
587.40 kJ/mol  
99+
593.40 kJ/mol  
99+
27th Energy Level
880.00 kJ/mol  
5
593.40 kJ/mol  
99+
28th Energy Level
840.00 kJ/mol  
14
593.40 kJ/mol  
99+
29th Energy Level
867.80 kJ/mol  
11
593.40 kJ/mol  
99+
30th Energy Level
0.00 kJ/mol  
99+
593.40 kJ/mol  
99+
Electrochemical Equivalent
3.00 g/amp-hr  
21
1.96 g/amp-hr  
36
Electron Work Function
4.90 eV  
12
3.10 eV  
99+
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Corrosion, Flammable, Ionization, Radioactive Isotopes  
Atomic
Atomic Number
108  
10
64  
99+
Electron Configuration
[Rn] 5f14 6d6 7s2  
[Xe] 4f7 5d1 6s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
HCP-Crystal-Structure-of-Gadolinium.jpg#100  
Atom
  
  
Number of Protons
108  
10
64  
99+
Number of Neutrons
158  
7
93  
38
Number of Electrons
108  
10
64  
99+
Radius of an Atom
  
  
Atomic Radius
126.00 pm  
99+
180.00 pm  
16
Covalent Radius
134.00 pm  
99+
196.00 pm  
14
Van der Waals Radius
0.00 pm  
99+
237.00 pm  
19
Atomic Weight
269.00 amu  
9
47.87 amu  
99+
Atomic Volume
22.70 cm3/mol  
18
19.90 cm3/mol  
32
Adjacent Atomic Numbers
  
  
Previous Element
Bohrium
  
Europium
  
Next Element
Meitnerium
  
Terbium
  
Valence Electron Potential
0.00 (-eV)  
99+
46.10 (-eV)  
35
Lattice Constant
-  
363.60 pm  
35
Lattice Angles
-  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.31  
99+
1.59  
29
Mechanical
Density
  
  
Density At Room Temperature
40.70 g/cm3  
1
7.90 g/cm3  
99+
Density When Liquid (at m.p.)
41.00 g/cm3  
1
7.40 g/cm3  
99+
Tensile Strength
80.00 MPa  
29
158.00 MPa  
23
Viscosity
0.00  
27
0.00  
23
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
32
Vapor Pressure at 2000 K
0.00 (Pa)  
30
7.39 (Pa)  
9
Elasticity properties
  
  
Shear Modulus
40.00 GPa  
19
21.80 GPa  
99+
Bulk Modulus
40.00 GPa  
38
37.90 GPa  
99+
Young's Modulus
40.00 GPa  
99+
54.80 GPa  
38
Poisson Ratio
0.34  
10
0.26  
23
Other Mechanical Properties
-  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
41.00  
2
7.90  
99+
Magnetic Ordering
-  
Ferromagnetic  
Permeability
0.00 H/m  
8
0.00 H/m  
12
Susceptibility
0.00  
25
0.00  
4
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
41.00 nΩ·m  
99+
1.31 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.01 106/cm Ω  
99+
Electron Affinity
63.20 kJ/mol  
19
50.00 kJ/mol  
26
Thermal
Specific Heat
0.13 J/(kg K)  
99+
0.23 J/(kg K)  
27
Molar Heat Capacity
25.92 J/mol·K  
99+
37.03 J/mol·K  
3
Thermal Conductivity
0.00 W/m·K  
99+
10.60 W/m·K  
99+
Critical Temperature
1,323.00 K  
99+
1,585.00 K  
38
Thermal Expansion
21.20 µm/(m·K)  
23
9.40 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
126.00 kJ/mol  
99+
359.40 kJ/mol  
30
Enthalpy of Fusion
-  
10.05 kJ/mol  
99+
Enthalpy of Atomization
-  
352.00 kJ/mol  
36
Standard Molar Entropy
57.20 J/mol.K  
29
68.10 J/mol.K  
16
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