Beryllium vs Flerovium
Periodic Table
Symbol
Be
Fl
Group Number
2
16
14
4
Period Number
2
7
Block
s block
p block
Element Family
Alkaline Earth
Post-Transition
CAS Number
7440417
99+
54085164
5
Space Group Name
P63/mmc
Not Available
Space Group Number
194.00
5
Not Available
Facts
Interesting Facts
- 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.
Not Available
Sources
Earth's crust, Found in Minerals, Mining, Ores of metals, Ores of Minerals
NA
History
Who Discovered
Louis Nicolas Vauquelin
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory
Discovery
In 1797
In 1999
Abundance
Abundance In Universe
1 * 10-7 %
23
Not Available
Abundance In Sun
~0.00000001 %
29
~-9999 %
Abundance In Meteorites
0.00 %
99+
Not Available
Abundance In Earth's Crust
0.00 %
35
Not Available
Abundance In Oceans
0.00 %
39
Not Available
Abundance In Humans
0.00 %
19
Not Available
Uses
Uses & Benefits
- 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.
- Currently known uses of Flerovium metal are limited to research purpose only.
Industrial Uses
Aerospace Industry, Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry
NA
Medical Uses
NA
NA
Other Uses
Alloys
Alloys, Research Purposes
Biological Properties
Toxicity
Toxic
Unknown
Present in Human Body
Yes
No
In Blood
0.00 Blood/mg dm-3
32
Not Available
In Bone
0.00 p.p.m.
32
Not Available
Physical Properties
Melting Point
1,278.00 °C
36
67.00 °C
99+
Boiling Point
2,970.00 °C
32
147.00 °C
99+
Appearance
Physical State
Solid
Solid
Color
White Gray
Unknown
Luster
Metallic
Unknown Luster
Hardness
Mohs Hardness
5.50
7
Not Available
Brinell Hardness
590.00 MPa
21
Not Available
Vickers Hardness
1,670.00 MPa
4
Not Available
Speed of Sound
12,890.00 m/s
2
Not Available
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
Be
Fl
Isotopes
Known Isotopes
9
29
1
34
Electronegativity
Pauling Electronegativity
1.57
24
Not Available
Sanderson Electronegativity
1.81
12
Not Available
Allred Rochow Electronegativity
1.47
14
Not Available
Mulliken-Jaffe Electronegativity
1.54
12
Not Available
Allen Electronegativity
1.58
23
Not Available
Electropositivity
Pauling Electropositivity
2.43
30
Not Available
Ionization Energies
1st Energy Level
899.50 kJ/mol
7
823.90 kJ/mol
13
2nd Energy Level
1,757.10 kJ/mol
23
1,601.60 kJ/mol
34
3rd Energy Level
14,848.70 kJ/mol
2
3,367.30 kJ/mol
18
4th Energy Level
21,006.60 kJ/mol
2
4,399.70 kJ/mol
27
5th Energy Level
Not Available
5,847.00 kJ/mol
26
Electrochemical Equivalent
0.17 g/amp-hr
99+
Not Available
Electron Work Function
4.98 eV
6
Not Available
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes
Ionization, Radioactive Isotopes, Radioactivity
Atomic Properties
Atomic Number
4
99+
114
4
Electron Configuration
[He] 2s2
[Rn] 5f14 6d10 7s2 7p2
Crystal Structure
Hexagonal Close Packed (HCP)
Not Known
Crystal Lattice
HCP-Crystal-Structure-of-Beryllium.jpg#100
Unknown-Crystal-Structure-of-Flerovium.jpg#100
Atom
Number of Protons
4
99+
114
4
Number of Neutrons
5
99+
184
1
Number of Electrons
4
99+
114
4
Radius of an Atom
Atomic Radius
112.00 pm
99+
180.00 pm
14
Covalent Radius
96.00 pm
99+
171.00 pm
24
Van der Waals Radius
153.00 pm
99+
Not Available
Atomic Weight
9.01 amu
99+
289.00 amu
3
Atomic Volume
5.00 cm3/mol
99+
Not Available
Adjacent Atomic Numbers
Valence Electron Potential
82.00 (-eV)
15
Not Available
Lattice Constant
228.58 pm
99+
Not Available
Lattice Angles
π/2, π/2, π/2
Unknown
Lattice C/A Ratio
1.57
18
Not Available
Mechanical Properties
Density
Density At Room Temperature
1.85 g/cm3
99+
14.00 g/cm3
23
Density When Liquid (at m.p.)
1.69 g/cm3
99+
Not Available
Tensile Strength
Not Available
Not Available
Viscosity
Not Available
Not Available
Vapor Pressure
Vapor Pressure at 1000 K
0.00 (Pa)
19
Not Available
Elasticity properties
Shear Modulus
132.00 GPa
7
Not Available
Bulk Modulus
130.00 GPa
13
Not Available
Young's Modulus
287.00 GPa
7
Not Available
Poisson Ratio
0.03
35
Not Available
Other Mechanical Properties
NA
NA
Magnetic Properties
Magnetic Characteristics
Specific Gravity
1.85
99+
Not Available
Magnetic Ordering
Diamagnetic
Unknown
Electrical Properties
Electrical Property
Semiconductor
Unknown
Resistivity
36.00 nΩ·m
99+
Not Available
Electrical Conductivity
0.31 106/cm Ω
5
Not Available
Electron Affinity
0.00 kJ/mol
40
Not Available
Thermal Properties
Specific Heat
1.82 J/(kg K)
2
Not Available
Molar Heat Capacity
16.44 J/mol·K
99+
Not Available
Thermal Conductivity
200.00 W/m·K
6
Not Available
Critical Temperature
Not Available
Not Available
Thermal Expansion
11.30 µm/(m·K)
34
Not Available
Enthalpy
Enthalpy of Vaporization
294.70 kJ/mol
30
Not Available
Enthalpy of Fusion
11.72 kJ/mol
30
Not Available
Enthalpy of Atomization
326.40 kJ/mol
30
Not Available
Standard Molar Entropy
9.50 J/mol.K
99+
Not Available
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