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Beryllium Lutetium Comparison

Beryllium
Lutetium
Lutetium Beryllium comparison


Periodic Table
Symbol
Be   
Lu   
Group Number
2   
16
Not Available   
Period Number
2   
6   
Block
s block   
f block   
Element Family
Alkaline Earth   
Lanthanide   
CAS Number
7440417   
99+
7439943   
99+
Space Group Name
P63/mmc   
P63/mmc   
Space Group Number
194.00   
5
194.00   
5
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.
  
  • Metal dust of Lutetium element is highly explosive.
  • Lutetium metal is corrosion resistance and acts stable in air.
  
Sources
Earth's crust, Found in Minerals, Mining, Ores of metals, Ores of Minerals   
Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
Louis Nicolas Vauquelin   
Georges Urbain and Carl Auer von Welsbach   
Discovery
In 1797   
In 1906   
Abundance
  
  
Abundance In Universe
1 * 10-7 %   
23
1 * 10-8 %   
30
Abundance In Sun
~0.00000001 %   
29
~0.0000001 %   
26
Abundance In Meteorites
0.00 %   
99+
0.00 %   
99+
Abundance In Earth's Crust
0.00 %   
35
0.00 %   
99+
Abundance In Oceans
0.00 %   
39
0.00 %   
99+
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.
  
  • Lutetium metal is used outside research. It has commercial uses like Industrial catalyst for cracking oil refineries of hydrocarbons .
  
Industrial Uses
Aerospace Industry, Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry   
NA   
Medical Uses
NA   
NA   
Other Uses
Alloys   
Alloys   
Biological Properties
  
  
Toxicity
Toxic   
Low Toxic   
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
1,652.00 °C   
19
Boiling Point
2,970.00 °C   
32
3,402.00 °C   
19
Appearance
  
  
Physical State
Solid   
Solid   
Color
White Gray   
Silvery White   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
5.50   
7
Not Available   
Brinell Hardness
590.00 MPa   
21
893.00 MPa   
10
Vickers Hardness
1,670.00 MPa   
4
1,160.00 MPa   
8
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   
Lu   
Isotopes
  
  
Known Isotopes
9   
29
35   
4
Electronegativity
  
  
Pauling Electronegativity
1.57   
24
1.27   
34
Sanderson Electronegativity
1.81   
12
Not Available   
Allred Rochow Electronegativity
1.47   
14
1.14   
28
Mulliken-Jaffe Electronegativity
1.54   
12
Not Available   
Allen Electronegativity
1.58   
23
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.43   
30
2.73   
20
Ionization Energies
  
  
1st Energy Level
899.50 kJ/mol   
7
523.50 kJ/mol   
99+
2nd Energy Level
1,757.10 kJ/mol   
23
1,340.00 kJ/mol   
99+
3rd Energy Level
14,848.70 kJ/mol   
2
2,022.30 kJ/mol   
99+
4th Energy Level
21,006.60 kJ/mol   
2
4,370.00 kJ/mol   
28
5th Energy Level
Not Available   
6,445.00 kJ/mol   
21
Electrochemical Equivalent
0.17 g/amp-hr   
99+
2.18 g/amp-hr   
23
Electron Work Function
4.98 eV   
6
3.30 eV   
33
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes   
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Atomic Properties
Atomic Number
4   
99+
71   
99+
Electron Configuration
[He] 2s2   
[Xe] 6s2 4f14 5d1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Beryllium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
4   
99+
71   
99+
Number of Neutrons
5   
99+
104   
30
Number of Electrons
4   
99+
71   
99+
Radius of an Atom
  
  
Atomic Radius
112.00 pm   
99+
174.00 pm   
20
Covalent Radius
96.00 pm   
99+
187.00 pm   
20
Van der Waals Radius
153.00 pm   
99+
221.00 pm   
22
Atomic Weight
9.01 amu   
99+
174.97 amu   
40
Atomic Volume
5.00 cm3/mol   
99+
17.78 cm3/mol   
30
Adjacent Atomic Numbers
  
  
Previous Element
Lithium
  
Ytterbium
  
Next Element
Sodium
  
Hafnium
  
Valence Electron Potential
82.00 (-eV)   
15
50.90 (-eV)   
26
Lattice Constant
228.58 pm   
99+
350.31 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.57   
18
1.59   
10
Mechanical Properties
Density
  
  
Density At Room Temperature
1.85 g/cm3   
99+
9.84 g/cm3   
38
Density When Liquid (at m.p.)
1.69 g/cm3   
99+
9.30 g/cm3   
22
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
19
0.00 (Pa)   
33
Vapor Pressure at 2000 K
Not Available   
3.18 (Pa)   
11
Elasticity properties
  
  
Shear Modulus
132.00 GPa   
7
27.20 GPa   
26
Bulk Modulus
130.00 GPa   
13
47.60 GPa   
23
Young's Modulus
287.00 GPa   
7
68.60 GPa   
30
Poisson Ratio
0.03   
35
0.26   
21
Other Mechanical Properties
NA   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
1.85   
99+
9.84   
29
Magnetic Ordering
Diamagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Semiconductor   
Conductor   
Resistivity
36.00 nΩ·m   
99+
582.00 nΩ·m   
9
Electrical Conductivity
0.31 106/cm Ω   
5
0.02 106/cm Ω   
99+
Electron Affinity
0.00 kJ/mol   
40
50.00 kJ/mol   
21
Thermal Properties
Specific Heat
1.82 J/(kg K)   
2
0.15 J/(kg K)   
36
Molar Heat Capacity
16.44 J/mol·K   
99+
26.86 J/mol·K   
24
Thermal Conductivity
200.00 W/m·K   
6
16.40 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
11.30 µm/(m·K)   
34
9.90 µm/(m·K)   
40
Enthalpy
  
  
Enthalpy of Vaporization
294.70 kJ/mol   
30
355.90 kJ/mol   
22
Enthalpy of Fusion
11.72 kJ/mol   
30
18.70 kJ/mol   
13
Enthalpy of Atomization
326.40 kJ/mol   
30
398.00 kJ/mol   
20
Standard Molar Entropy
9.50 J/mol.K   
99+
51.00 J/mol.K   
30
Summary >>
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