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Flerovium vs Holmium


Holmium vs Flerovium


Periodic Table

Symbol
Fl   
Ho   

Group Number
14   
4
Not Available   

Period Number
7   
6   

Block
p block   
f block   

Element Family
Post-​Transition   
Lanthanide   

CAS Number
54085164   
5
7440600   
29

Space Group Name
Not Available   
P63/mmc   

Space Group Number
Not Available   
194.00   
5

Facts

Interesting Facts
Not Available   
  • Holmium metal is very soft and malleable.
  • Holmium metal is well known for its corrosion resistivity.
  

Sources
NA   
Found in Minerals, Mining, Ores of Minerals   

History
  
  

Who Discovered
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory   
Marc Delafontaine   

Discovery
In 1999   
In 1878   

Abundance
  
  

Abundance In Universe
Not Available   
5 * 10-8 %   
27

Abundance In Meteorites
Not Available   
0.00 %   
99+

Abundance In Earth's Crust
Not Available   
0.00 %   
38

Abundance In Oceans
Not Available   
0.00 %   
99+

Uses

Uses & Benefits
  • Currently known uses of Flerovium metal are limited to research purpose only.
  
  • Holmium metal has an ability to absorb neutrons, so this metal is used in nuclear reactors to keep the chain reactions of elements under control.
  • Alloys of Holmium are used to produce Magnet.
  

Industrial Uses
NA   
NA   

Medical Uses
NA   
NA   

Other Uses
Alloys, Research Purposes   
Alloys, Nuclear Research   

Biological Properties
  
  

Toxicity
Unknown   
Low Toxic   

Present in Human Body
No   
No   

Physical Properties

Melting Point
67.00 °C   
99+
1,461.00 °C   
30

Boiling Point
147.00 °C   
99+
2,600.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Unknown   
Silvery White   

Luster
Unknown Luster   
Metallic   

Hardness
  
  

Brinell Hardness
Not Available   
746.00 MPa   
13

Vickers Hardness
Not Available   
481.00 MPa   
23

Speed of Sound
Not Available   
2,760.00 m/s   
30

Optical Properties
  
  

Allotropes
No   
No   

α Allotropes
Not Available   
Not Available   

β Allotropes
Not Available   
Not Available   

γ Allotropes
Not Available   
Not Available   

Chemical Properties

Chemical Formula
Fl   
Ho   

Isotopes
  
  

Known Isotopes
1   
34
34   
5

Electronegativity
  
  

Pauling Electronegativity
Not Available   
1.23   
37

Allred Rochow Electronegativity
Not Available   
1.10   
30

Electropositivity
  
  

Pauling Electropositivity
Not Available   
2.77   
17

Ionization Energies
  
  

1st Energy Level
823.90 kJ/mol   
13
581.00 kJ/mol   
99+

2nd Energy Level
1,601.60 kJ/mol   
34
1,140.00 kJ/mol   
99+

3rd Energy Level
3,367.30 kJ/mol   
18
2,204.00 kJ/mol   
99+

4th Energy Level
4,399.70 kJ/mol   
27
4,100.00 kJ/mol   
34

5th Energy Level
5,847.00 kJ/mol   
26
Not Available   

Electrochemical Equivalent
Not Available   
2.02 g/amp-hr   
29

Electron Work Function
Not Available   
Not Available   

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

Atomic Properties

Atomic Number
114   
4
67   
99+

Electron Configuration
[Rn] 5f14 6d10 7s2 7p2   
[Xe] 4f11 6s2   

Crystal Structure
Not Known   
Hexagonal Close Packed (HCP)   

Crystal Lattice
Unknown-Crystal-Structure-of-Flerovium.jpg#100   
HCP-Crystal-Structure-of-Holmium.jpg#100   

Atom
  
  

Number of Protons
114   
4
67   
99+

Number of Neutrons
184   
1
98   
34

Number of Electrons
114   
4
67   
99+

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
176.00 pm   
18

Covalent Radius
171.00 pm   
24
192.00 pm   
17

Van der Waals Radius
Not Available   
216.00 pm   
24

Atomic Weight
289.00 amu   
3
164.93 amu   
99+

Atomic Volume
Not Available   
18.70 cm3/mol   
24

Adjacent Atomic Numbers
  
  

Previous Element
Nihonium
  
Dysprosium
  

Next Element
Moscovium
  
Erbium
  

Valence Electron Potential
Not Available   
47.90 (-eV)   
31

Lattice Constant
Not Available   
357.73 pm   
38

Lattice Angles
Unknown   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
Not Available   
1.57   
17

Mechanical Properties

Density
  
  

Density At Room Temperature
14.00 g/cm3   
23
8.79 g/cm3   
99+

Density When Liquid (at m.p.)
Not Available   
8.34 g/cm3   
26

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
16

Elasticity properties
  
  

Shear Modulus
Not Available   
26.30 GPa   
28

Bulk Modulus
Not Available   
40.20 GPa   
32

Young's Modulus
Not Available   
64.80 GPa   
31

Poisson Ratio
Not Available   
0.23   
29

Other Mechanical Properties
NA   
Ductile, Malleable, Sectile   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
Not Available   
8.80   
35

Magnetic Ordering
Unknown   
Paramagnetic   

Electrical Properties
  
  

Electrical Property
Unknown   
Conductor   

Resistivity
Not Available   
814.00 nΩ·m   
4

Electrical Conductivity
Not Available   
0.01 106/cm Ω   
99+

Electron Affinity
Not Available   
50.00 kJ/mol   
21

Thermal Properties

Specific Heat
Not Available   
0.16 J/(kg K)   
35

Molar Heat Capacity
Not Available   
27.15 J/mol·K   
19

Thermal Conductivity
Not Available   
16.20 W/m·K   
99+

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
Not Available   
11.20 µm/(m·K)   
35

Enthalpy
  
  

Enthalpy of Vaporization
Not Available   
241.00 kJ/mol   
38

Enthalpy of Fusion
Not Available   
11.76 kJ/mol   
29

Enthalpy of Atomization
Not Available   
301.00 kJ/mol   
36

Standard Molar Entropy
Not Available   
75.30 J/mol.K   
8

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