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Bohrium vs Zirconium

Bohrium
Zirconium
Zirconium vs Bohrium


Periodic Table
Symbol
Bh  
Zr  
Group Number
7  
11
4  
14
Period Number
7  
5  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
54037148  
12
7440677  
23
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).
  
  • Zirconium metal can resist to weak acids.
  • Zirconium metal reacts with oxygen and nitrogen in the atmosphere.
  
Sources
Found in Minerals, Mining, Synthetically Produced  
Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung  
Martin Heinrich Klaproth  
Discovery
In 1981  
In 1789  
Abundance
  
  
Abundance In Universe
Not Available  
5 * 10-6 %  
13
Abundance In Sun
~-9999 %  
~0.000004 %  
16
Abundance In Meteorites
Not Available  
0.00 %  
17
Abundance In Earth's Crust
Not Available  
0.01 %  
14
Abundance In Oceans
Not Available  
0.00 %  
23
Abundance In Humans
Not Available  
0.00 %  
15
Uses
Uses & Benefits
  • Currently known uses of Bohrium metal are limited to research purpose only.
  
  • As this metal does not absorb neutrons; It is used in nuclear power stations.
  • Its oxide is used in ultra strong ceramics. It is also used in manufacturing Crucibles.
  
Industrial Uses
NA  
Aerospace Industry, Ammunition Industry  
Medical Uses
NA  
NA  
Other Uses
Research Purposes  
Alloys, Nuclear Research, Research Purposes  
Biological Properties
  
  
Toxicity
Unknown  
NA  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
37
0.01 Blood/mg dm-3  
21
In Bone
0.00 p.p.m.  
36
0.10 p.p.m.  
23
Physical Properties
Melting Point
Not Available  
1,852.00 °C  
15
Boiling Point
Not Available  
4,377.00 °C  
11
Appearance
  
  
Physical State
Solid  
Solid  
Color
Unknown  
Silvery White  
Luster
Unknown Luster  
Lustrous  
Hardness
  
  
Mohs Hardness
Not Available  
5.00  
8
Brinell Hardness
Not Available  
638.00 MPa  
19
Vickers Hardness
Not Available  
820.00 MPa  
15
Speed of Sound
Not Available  
3,800.00 m/s  
20
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  
Zr  
Isotopes
  
  
Known Isotopes
5  
32
24  
15
Electronegativity
  
  
Pauling Electronegativity
Not Available  
1.33  
30
Sanderson Electronegativity
Not Available  
0.90  
25
Allred Rochow Electronegativity
Not Available  
1.22  
26
Allen Electronegativity
Not Available  
1.32  
34
Electropositivity
  
  
Pauling Electropositivity
Not Available  
2.67  
24
Ionization Energies
  
  
1st Energy Level
742.90 kJ/mol  
23
640.10 kJ/mol  
99+
2nd Energy Level
1,688.50 kJ/mol  
30
1,270.00 kJ/mol  
99+
3rd Energy Level
2,566.50 kJ/mol  
99+
2,218.00 kJ/mol  
99+
4th Energy Level
3,598.90 kJ/mol  
99+
3,313.00 kJ/mol  
99+
5th Energy Level
4,727.80 kJ/mol  
37
7,752.00 kJ/mol  
10
6th Energy Level
5,991.70 kJ/mol  
24
9,500.00 kJ/mol  
15
7th Energy level
7,226.80 kJ/mol  
22
Not Available  
Electrochemical Equivalent
Not Available  
0.85 g/amp-hr  
99+
Electron Work Function
Not Available  
4.05 eV  
26
Other Chemical Properties
Ionization, Radioactive Isotopes  
Anti Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility  
Atomic Properties
Atomic Number
107  
11
40  
99+
Electron Configuration
[Rn] 5f14 6d5 7s2  
[Kr] 4d2 5s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
HCP-Crystal-Structure-of-Zirconium.jpg#100  
Atom
  
  
Number of Protons
107  
11
40  
99+
Number of Neutrons
155  
8
51  
99+
Number of Electrons
107  
11
40  
99+
Radius of an Atom
  
  
Atomic Radius
128.00 pm  
99+
160.00 pm  
27
Covalent Radius
141.00 pm  
99+
175.00 pm  
23
Van der Waals Radius
Not Available  
200.00 pm  
28
Atomic Weight
270.00 amu  
8
91.22 amu  
99+
Atomic Volume
Not Available  
14.10 cm3/mol  
36
Adjacent Atomic Numbers
  
  
Previous Element
Seaborgium
  
Yttrium
  
Next Element
Hassium
  
Niobium
  
Valence Electron Potential
Not Available  
80.00 (-eV)  
18
Lattice Constant
Not Available  
323.20 pm  
99+
Lattice Angles
NA  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
Not Available  
1.59  
8
Mechanical Properties
Density
  
  
Density At Room Temperature
37.10 g/cm3  
3
6.52 g/cm3  
99+
Density When Liquid (at m.p.)
Not Available  
5.80 g/cm3  
99+
Tensile Strength
Not Available  
330.00 MPa  
12
Viscosity
Not Available  
Not Available  
Vapor Pressure
  
  
Vapor Pressure at 2000 K
Not Available  
0.00 (Pa)  
21
Elasticity properties
  
  
Shear Modulus
Not Available  
33.00 GPa  
20
Bulk Modulus
Not Available  
91.10 GPa  
17
Young's Modulus
Not Available  
88.00 GPa  
22
Poisson Ratio
Not Available  
0.34  
10
Other Mechanical Properties
Unknown  
Ductile, Malleable  
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
Not Available  
6.51  
99+
Magnetic Ordering
Unknown  
Paramagnetic  
Electrical Properties
  
  
Electrical Property
Unknown  
Conductor  
Resistivity
Not Available  
421.00 nΩ·m  
11
Electrical Conductivity
Not Available  
0.02 106/cm Ω  
99+
Electron Affinity
Not Available  
41.10 kJ/mol  
27
Thermal Properties
Specific Heat
Not Available  
0.27 J/(kg K)  
19
Molar Heat Capacity
Not Available  
25.36 J/mol·K  
99+
Thermal Conductivity
Not Available  
22.60 W/m·K  
99+
Critical Temperature
Not Available  
Not Available  
Thermal Expansion
Not Available  
5.70 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
Not Available  
581.60 kJ/mol  
9
Enthalpy of Fusion
Not Available  
20.90 kJ/mol  
11
Enthalpy of Atomization
Not Available  
598.00 kJ/mol  
10
Standard Molar Entropy
Not Available  
39.00 J/mol.K  
39
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