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Lutetium vs Sodium

Lutetium
Sodium
Sodium vs Lutetium


Periodic Table
Symbol
Lu   
Na   
Group Number
Not Available   
1   
17
Period Number
6   
3   
Block
f block   
s block   
Element Family
Lanthanide   
Alkali   
CAS Number
7439943   
99+
7440235   
99+
Space Group Name
P63/mmc   
Im_ 3m   
Space Group Number
194.00   
5
229.00   
1
Facts
Interesting Facts
  • Metal dust of Lutetium element is highly explosive.
  • Lutetium metal is corrosion resistance and acts stable in air.
  
  • At room temperature Sodium metal is very soft as it can be chopped down into pieces with butter knife.
  • The most common compound of Sodium is NaCl (Salt).
  
Sources
Found in Minerals, Mining, Ores of Minerals   
By Electrolysis Process, Mining   
History
  
  
Who Discovered
Georges Urbain and Carl Auer von Welsbach   
Humphry Davy   
Discovery
In 1906   
In 1807   
Abundance
  
  
Abundance In Universe
1 * 10-8 %   
30
2 * 10-3 %   
6
Abundance In Sun
~0.0000001 %   
26
~0.004 %   
6
Abundance In Meteorites
0.00 %   
99+
0.55 %   
6
Abundance In Earth's Crust
0.00 %   
99+
2.30 %   
5
Abundance In Oceans
0.00 %   
99+
1.10 %   
1
Abundance In Humans
Not Available   
0.14 %   
3
Uses
Uses & Benefits
  • Lutetium metal is used outside research. It has commercial uses like Industrial catalyst for cracking oil refineries of hydrocarbons .
  
  • In some nuclear reactors sodium is used as a heat exchanger.
  • Compound of Sodium metals called Salt (Sodium chloride) is used in Food.
  
Industrial Uses
NA   
Electrical Industry, Electronic Industry   
Medical Uses
NA   
Pharmaceutical Industry   
Other Uses
Alloys   
Alloys   
Biological Properties
  
  
Toxicity
Low Toxic   
Toxic   
Present in Human Body
No   
Yes   
In Blood
Not Available   
1,970.00 Blood/mg dm-3   
1
In Bone
Not Available   
10,000.00 p.p.m.   
2
Physical Properties
Melting Point
1,652.00 °C   
19
97.72 °C   
99+
Boiling Point
3,402.00 °C   
19
883.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silvery White   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
Not Available   
0.50   
22
Brinell Hardness
893.00 MPa   
10
0.69 MPa   
99+
Vickers Hardness
1,160.00 MPa   
8
Not Available   
Speed of Sound
Not Available   
3,200.00 m/s   
24
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
Lu   
Na   
Isotopes
  
  
Known Isotopes
35   
4
17   
22
Electronegativity
  
  
Pauling Electronegativity
1.27   
34
0.93   
99+
Sanderson Electronegativity
Not Available   
0.56   
30
Allred Rochow Electronegativity
1.14   
28
1.01   
35
Mulliken-Jaffe Electronegativity
Not Available   
0.91   
21
Allen Electronegativity
Not Available   
0.87   
99+
Electropositivity
  
  
Pauling Electropositivity
2.73   
20
3.07   
6
Ionization Energies
  
  
1st Energy Level
523.50 kJ/mol   
99+
495.80 kJ/mol   
99+
2nd Energy Level
1,340.00 kJ/mol   
99+
4,562.00 kJ/mol   
4
3rd Energy Level
2,022.30 kJ/mol   
99+
6,910.30 kJ/mol   
6
4th Energy Level
4,370.00 kJ/mol   
28
9,543.00 kJ/mol   
5
5th Energy Level
6,445.00 kJ/mol   
21
13,354.00 kJ/mol   
4
6th Energy Level
Not Available   
16,613.00 kJ/mol   
4
7th Energy level
Not Available   
20,117.00 kJ/mol   
4
8th Energy Level
Not Available   
25,496.00 kJ/mol   
4
9th Energy Level
Not Available   
28,932.00 kJ/mol   
4
10th Energy Level
Not Available   
141,362.00 kJ/mol   
2
11th Energy Level
Not Available   
159,076.00 kJ/mol   
2
Electrochemical Equivalent
2.18 g/amp-hr   
23
0.86 g/amp-hr   
99+
Electron Work Function
3.30 eV   
33
2.75 eV   
40
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Chemical Stability, Corrosion, Flammability, Ionization, Solubility   
Atomic Properties
Atomic Number
71   
99+
11   
99+
Electron Configuration
[Xe] 6s2 4f14 5d1   
[Ne] 3s1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
71   
99+
11   
99+
Number of Neutrons
104   
30
12   
99+
Number of Electrons
71   
99+
11   
99+
Radius of an Atom
  
  
Atomic Radius
174.00 pm   
20
186.00 pm   
9
Covalent Radius
187.00 pm   
20
166.00 pm   
27
Van der Waals Radius
221.00 pm   
22
227.00 pm   
21
Atomic Weight
174.97 amu   
40
22.99 amu   
99+
Atomic Volume
17.78 cm3/mol   
30
23.70 cm3/mol   
10
Adjacent Atomic Numbers
  
  
Previous Element
Ytterbium
  
Beryllium
  
Next Element
Hafnium
  
Magnesium
  
Valence Electron Potential
50.90 (-eV)   
26
14.10 (-eV)   
99+
Lattice Constant
350.31 pm   
99+
429.06 pm   
19
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.59   
10
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
9.84 g/cm3   
38
0.97 g/cm3   
99+
Density When Liquid (at m.p.)
9.30 g/cm3   
22
0.93 g/cm3   
99+
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
33
Not Available   
Vapor Pressure at 2000 K
3.18 (Pa)   
11
Not Available   
Elasticity properties
  
  
Shear Modulus
27.20 GPa   
26
3.30 GPa   
99+
Bulk Modulus
47.60 GPa   
23
6.30 GPa   
99+
Young's Modulus
68.60 GPa   
30
10.00 GPa   
99+
Poisson Ratio
0.26   
21
Not Available   
Other Mechanical Properties
NA   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
9.84   
29
0.97   
99+
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
582.00 nΩ·m   
9
47.70 nΩ·m   
99+
Electrical Conductivity
0.02 106/cm Ω   
99+
0.21 106/cm Ω   
9
Electron Affinity
50.00 kJ/mol   
21
52.80 kJ/mol   
19
Thermal Properties
Specific Heat
0.15 J/(kg K)   
36
1.23 J/(kg K)   
3
Molar Heat Capacity
26.86 J/mol·K   
24
28.23 J/mol·K   
10
Thermal Conductivity
16.40 W/m·K   
99+
142.00 W/m·K   
11
Critical Temperature
Not Available   
2,573.00 K   
2
Thermal Expansion
9.90 µm/(m·K)   
40
71.00 µm/(m·K)   
4
Enthalpy
  
  
Enthalpy of Vaporization
355.90 kJ/mol   
22
89.04 kJ/mol   
99+
Enthalpy of Fusion
18.70 kJ/mol   
13
2.59 kJ/mol   
99+
Enthalpy of Atomization
398.00 kJ/mol   
20
108.40 kJ/mol   
99+
Standard Molar Entropy
51.00 J/mol.K   
30
51.30 J/mol.K   
28
Periodic Table >>
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