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Bohrium Yttrium Comparison


Yttrium Bohrium comparison


Periodic Table

Symbol
Bh   
Y   

Group Number
7   
11
3   
15

Period Number
7   
5   

Block
d block   
d block   

Element Family
Transition Metal   
Transition Metal   

CAS Number
54037148   
12
7440655   
25

Space Group Name
Not Available   
P63/mmc   

Space Group Number
Not Available   
194.00   
5

Facts

Interesting Facts
  • Bohrium metal is also known as Unnilseptium (Uns) and Nielsbohrium (Ns).
  
  • Yttrium Metal is highly toxic.
  • Yttrium Metal is highly reactive in nature hence not found free in nature.
  

Sources
Found in Minerals, Mining, Synthetically Produced   
Found in Minerals, Mining, Ores of Minerals   

History
  
  

Who Discovered
Gesellschaft für Schwerionenforschung   
Johan Gadolin   

Discovery
In 1981   
In 1794   

Abundance
  
  

Abundance In Universe
Not Available   
7 * 10-7 %   
17

Abundance In Sun
~-9999 %   
~0.0000001 %   
26

Abundance In Meteorites
Not Available   
0.00 %   
21

Abundance In Earth's Crust
Not Available   
0.00 %   
22

Abundance In Oceans
Not Available   
0.00 %   
25

Uses

Uses & Benefits
  • Currently known uses of Bohrium metal are limited to research purpose only.
  
  • Yttrium metal is used in different alloys, as it increases the strength of aluminum Magnesium alloy. It is used for radar microwave filter.
  • It is also used as a catalyst in ethene polymerisation.
  

Industrial Uses
NA   
Electrical Industry, Electronic Industry   

Medical Uses
NA   
NA   

Other Uses
Research Purposes   
Alloys   

Biological Properties
  
  

Toxicity
Unknown   
Highly Toxic   

Present in Human Body
No   
Yes   

In Blood
0.00 Blood/mg dm-3   
37
0.00 Blood/mg dm-3   
26

In Bone
0.00 p.p.m.   
36
0.07 p.p.m.   
25

Physical Properties

Melting Point
Not Available   
1,523.00 °C   
27

Boiling Point
Not Available   
3,337.00 °C   
21

Appearance
  
  

Physical State
Solid   
Solid   

Color
Unknown   
Silvery White   

Luster
Unknown Luster   
NA   

Hardness
  
  

Brinell Hardness
Not Available   
589.00 MPa   
22

Speed of Sound
Not Available   
3,300.00 m/s   
23

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
Bh   
Y   

Isotopes
  
  

Known Isotopes
5   
32
19   
20

Electronegativity
  
  

Pauling Electronegativity
Not Available   
1.22   
38

Sanderson Electronegativity
Not Available   
0.65   
29

Allred Rochow Electronegativity
Not Available   
1.11   
29

Allen Electronegativity
Not Available   
1.12   
38

Electropositivity
  
  

Pauling Electropositivity
Not Available   
2.78   
16

Ionization Energies
  
  

1st Energy Level
742.90 kJ/mol   
23
600.00 kJ/mol   
99+

2nd Energy Level
1,688.50 kJ/mol   
30
1,180.00 kJ/mol   
99+

3rd Energy Level
2,566.50 kJ/mol   
99+
1,980.00 kJ/mol   
99+

4th Energy Level
3,598.90 kJ/mol   
99+
5,847.00 kJ/mol   
10

5th Energy Level
4,727.80 kJ/mol   
37
7,430.00 kJ/mol   
14

6th Energy Level
5,991.70 kJ/mol   
24
8,970.00 kJ/mol   
17

7th Energy level
7,226.80 kJ/mol   
22
11,190.00 kJ/mol   
18

8th Energy Level
Not Available   
12,450.00 kJ/mol   
18

9th Energy Level
Not Available   
14,110.00 kJ/mol   
19

10th Energy Level
Not Available   
18,400.00 kJ/mol   
17

11th Energy Level
Not Available   
19,900.00 kJ/mol   
18

12th Energy Level
Not Available   
36,090.00 kJ/mol   
5

Electrochemical Equivalent
Not Available   
1.11 g/amp-hr   
99+

Electron Work Function
Not Available   
3.10 eV   
35

Other Chemical Properties
Ionization, Radioactive Isotopes   
Chemical Stability, Flammable, Ionization, Radioactive Isotopes, Solubility   

Atomic Properties

Atomic Number
107   
11
39   
99+

Electron Configuration
[Rn] 5f14 6d5 7s2   
[Kr] 4d1 5s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Yttrium.jpg#100   

Atom
  
  

Number of Protons
107   
11
39   
99+

Number of Neutrons
155   
8
50   
99+

Number of Electrons
107   
11
39   
99+

Radius of an Atom
  
  

Atomic Radius
128.00 pm   
99+
180.00 pm   
14

Covalent Radius
141.00 pm   
99+
190.00 pm   
18

Van der Waals Radius
Not Available   
200.00 pm   
28

Atomic Weight
270.00 amu   
8
88.91 amu   
99+

Atomic Volume
Not Available   
19.80 cm3/mol   
21

Adjacent Atomic Numbers
  
  

Previous Element
Seaborgium
  
Strontium
  

Next Element
Hassium
  
Zirconium
  

Valence Electron Potential
Not Available   
48.00 (-eV)   
30

Lattice Constant
Not Available   
364.74 pm   
31

Lattice Angles
NA   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
Not Available   
1.57   
16

Mechanical Properties

Density
  
  

Density At Room Temperature
37.10 g/cm3   
3
4.47 g/cm3   
99+

Density When Liquid (at m.p.)
Not Available   
4.24 g/cm3   
99+

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
32

Vapor Pressure at 2000 K
Not Available   
4.27 (Pa)   
10

Elasticity properties
  
  

Shear Modulus
Not Available   
25.60 GPa   
30

Bulk Modulus
Not Available   
41.20 GPa   
30

Young's Modulus
Not Available   
63.50 GPa   
32

Poisson Ratio
Not Available   
0.24   
26

Other Mechanical Properties
Unknown   
Ductile   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
Not Available   
4.47   
99+

Magnetic Ordering
Unknown   
Paramagnetic   

Electrical Properties
  
  

Electrical Property
Unknown   
Conductor   

Resistivity
Not Available   
596.00 nΩ·m   
8

Electrical Conductivity
Not Available   
0.02 106/cm Ω   
99+

Electron Affinity
Not Available   
29.60 kJ/mol   
30

Thermal Properties

Specific Heat
Not Available   
0.30 J/(kg K)   
18

Molar Heat Capacity
Not Available   
26.53 J/mol·K   
27

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

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
Not Available   
10.60 µm/(m·K)   
37

Enthalpy
  
  

Enthalpy of Vaporization
Not Available   
393.00 kJ/mol   
18

Enthalpy of Fusion
Not Available   
17.15 kJ/mol   
16

Enthalpy of Atomization
Not Available   
418.00 kJ/mol   
18

Standard Molar Entropy
Not Available   
44.40 J/mol.K   
33

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