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Bohrium Beryllium Comparison

Bohrium
Beryllium
Beryllium Bohrium comparison


Periodic Table
Symbol
Bh  
Be  
Group Number
7  
11
2  
16
Period Number
7  
2  
Block
d block  
s block  
Element Family
Transition Metal  
Alkaline Earth  
CAS Number
54037148  
12
7440417  
99+
Space Group Name
-  
P63/mmc  
Space Group Number
276.00  
1
194.00  
7
Facts
Interesting Facts
  • Bohrium metal is also known as Unnilseptium (Uns) and Nielsbohrium (Ns).
  
  • Beryllium is best anti corrosion metal.
  • Beryllium is the lightest metal and still it is stronger than steel.
  • It also finds various applications in Nuclear reactors as a reflector.
  
Sources
Found in Minerals, Mining, Synthetically Produced  
Earth's crust, Found in Minerals, Mining, Ores of metals, Ores of Minerals  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung  
Louis Nicolas Vauquelin  
Discovery
In 1981  
In 1797  
Abundance
  
  
Abundance In Universe
0.00 %  
37
0.00 %  
24
Abundance In Sun
-  
0.00 %  
29
Abundance In Meteorites
0.00 %  
99+
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
99+
0.00 %  
35
Abundance In Oceans
-  
0.00 %  
39
Abundance In Humans
-  
0.00 %  
22
Uses
Uses & Benefits
  • Currently known uses of Bohrium metal are limited to research purpose only.
  
  • Its alloys with copper or nickel are used in manufacturing Gyroscopes, springs, electrical contact and non sparking tools.
  • Beryllium Alloys are used as a material for aircraft, missiles, spacecraft and satellite.
  
Industrial Uses
-  
Aerospace Industry, Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry  
Medical Uses
-  
-  
Other Uses
Research Purposes  
Alloys  
Biological Properties
  
  
Toxicity
-  
Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
35
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
37
Physical
Melting Point
-  
1,278.00 °C  
36
Boiling Point
0.00 °C  
99+
2,970.00 °C  
33
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
White Gray  
Luster
Unknown Luster  
Metallic  
Hardness
  
  
Mohs Hardness
7.00  
3
5.50  
7
Brinell Hardness
270.00 MPa  
99+
590.00 MPa  
25
Vickers Hardness
2,700.00 MPa  
4
1,670.00 MPa  
9
Speed of Sound
2,680.00 m/s  
99+
12,890.00 m/s  
2
Optical Properties
  
  
Refractive Index
1.50  
36
1.56  
34
Reflectivity
59.00 %  
24
65.00 %  
18
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Bh  
Be  
Isotopes
  
  
Known Isotopes
5  
32
9  
29
Electronegativity
  
  
Pauling Electronegativity
2.00  
8
1.57  
25
Sanderson Electronegativity
1.30  
25
1.81  
15
Allred Rochow Electronegativity
1.30  
25
1.47  
15
Mulliken-Jaffe Electronegativity
1.30  
33
1.54  
24
Allen Electronegativity
2.00  
6
1.58  
26
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.43  
30
Ionization Energies
  
  
1st Energy Level
742.90 kJ/mol  
23
899.50 kJ/mol  
7
2nd Energy Level
1,688.50 kJ/mol  
31
1,757.10 kJ/mol  
24
3rd Energy Level
2,566.50 kJ/mol  
99+
14,848.70 kJ/mol  
2
4th Energy Level
3,598.90 kJ/mol  
99+
21,006.60 kJ/mol  
2
5th Energy Level
4,727.80 kJ/mol  
99+
2,970.00 kJ/mol  
99+
6th Energy Level
5,991.70 kJ/mol  
99+
1,470.00 kJ/mol  
99+
7th Energy level
7,226.80 kJ/mol  
34
2,970.00 kJ/mol  
99+
8th Energy Level
7,100.00 kJ/mol  
33
2,970.00 kJ/mol  
99+
9th Energy Level
5,800.00 kJ/mol  
99+
2,970.00 kJ/mol  
99+
10th Energy Level
7,100.00 kJ/mol  
35
2,970.00 kJ/mol  
99+
11th Energy Level
8,200.00 kJ/mol  
25
2,970.00 kJ/mol  
99+
12th Energy Level
82,700.00 kJ/mol  
4
29,700.00 kJ/mol  
35
13th Energy Level
7,100.00 kJ/mol  
29
2,970.00 kJ/mol  
99+
14th Energy Level
8,200.00 kJ/mol  
17
2,970.00 kJ/mol  
99+
15th Energy Level
82,000.00 kJ/mol  
14
89,900.00 kJ/mol  
5
16th Energy Level
71,100.00 kJ/mol  
20
89,900.00 kJ/mol  
8
17th Energy Level
820.00 kJ/mol  
31
2,970.00 kJ/mol  
14
18th Energy Level
8,200.00 kJ/mol  
20
8,995.00 kJ/mol  
13
19th Energy Level
820.80 kJ/mol  
28
899.50 kJ/mol  
22
20th Energy Level
820.00 kJ/mol  
21
899.00 kJ/mol  
12
21st Energy Level
8,200.00 kJ/mol  
11
2,970.00 kJ/mol  
26
22nd Energy Level
820.00 kJ/mol  
16
899.00 kJ/mol  
10
23rd Energy Level
8,200.00 kJ/mol  
8
2,970.00 kJ/mol  
31
24th Energy Level
820.00 kJ/mol  
12
297.30 kJ/mol  
99+
25th Energy Level
820.00 kJ/mol  
10
2,970.00 kJ/mol  
2
26th Energy Level
820.00 kJ/mol  
10
2,970.00 kJ/mol  
2
27th Energy Level
820.00 kJ/mol  
9
297.30 kJ/mol  
99+
28th Energy Level
820.00 kJ/mol  
15
297.30 kJ/mol  
99+
29th Energy Level
820.00 kJ/mol  
14
2,970.00 kJ/mol  
2
30th Energy Level
820.00 kJ/mol  
10
2,970.00 kJ/mol  
2
Electrochemical Equivalent
3.00 g/amp-hr  
21
0.17 g/amp-hr  
99+
Electron Work Function
4.90 eV  
12
4.98 eV  
10
Other Chemical Properties
Ionization, Radioactive Isotopes  
Corrosion, Ionization, Radioactive Isotopes  
Atomic
Atomic Number
107  
11
4  
99+
Electron Configuration
[Rn] 5f14 6d5 7s2  
[He] 2s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
HCP-Crystal-Structure-of-Beryllium.jpg#100  
Atom
  
  
Number of Protons
107  
11
4  
99+
Number of Neutrons
155  
9
5  
99+
Number of Electrons
107  
11
4  
99+
Radius of an Atom
  
  
Atomic Radius
128.00 pm  
99+
112.00 pm  
99+
Covalent Radius
141.00 pm  
99+
96.00 pm  
99+
Van der Waals Radius
0.00 pm  
99+
153.00 pm  
99+
Atomic Weight
270.00 amu  
8
9.01 amu  
99+
Atomic Volume
23.70 cm3/mol  
14
5.00 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Seaborgium
  
Lithium
  
Next Element
Hassium
  
Sodium
  
Valence Electron Potential
27.20 (-eV)  
99+
82.00 (-eV)  
15
Lattice Constant
-  
228.58 pm  
99+
Lattice Angles
-  
π/2, π/2, π/2  
Lattice C/A Ratio
1.57  
99+
1.57  
99+
Mechanical
Density
  
  
Density At Room Temperature
37.10 g/cm3  
3
1.85 g/cm3  
99+
Density When Liquid (at m.p.)
37.10 g/cm3  
3
1.69 g/cm3  
99+
Tensile Strength
152.00 MPa  
24
287.00 MPa  
16
Viscosity
0.00  
25
0.00  
17
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
20
Vapor Pressure at 2000 K
0.00 (Pa)  
37
0.00 (Pa)  
24
Elasticity properties
  
  
Shear Modulus
28.00 GPa  
32
132.00 GPa  
7
Bulk Modulus
37.00 GPa  
99+
130.00 GPa  
13
Young's Modulus
0.00 GPa  
99+
287.00 GPa  
7
Poisson Ratio
0.35  
9
0.03  
36
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
37.00  
5
1.85  
99+
Magnetic Ordering
-  
Diamagnetic  
Permeability
0.00 H/m  
11
0.00 H/m  
12
Susceptibility
0.00  
24
0.00  
11
Electrical Properties
  
  
Electrical Property
-  
Semiconductor  
Resistivity
6.50 nΩ·m  
99+
36.00 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.31 106/cm Ω  
5
Electron Affinity
-  
0.00 kJ/mol  
99+
Thermal
Specific Heat
0.10 J/(kg K)  
99+
1.82 J/(kg K)  
2
Molar Heat Capacity
37.10 J/mol·K  
2
16.44 J/mol·K  
99+
Thermal Conductivity
37.00 W/m·K  
36
200.00 W/m·K  
6
Critical Temperature
1,323.00 K  
99+
1,551.00 K  
39
Thermal Expansion
14.30 µm/(m·K)  
28
11.30 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
270.50 kJ/mol  
99+
294.70 kJ/mol  
99+
Enthalpy of Fusion
-  
11.72 kJ/mol  
36
Enthalpy of Atomization
-  
326.40 kJ/mol  
40
Standard Molar Entropy
57.00 J/mol.K  
30
9.50 J/mol.K  
99+
Summary >>
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