Home
Compare Metals


Barium Lutetium Comparison


Lutetium Barium comparison


Periodic Table

Symbol
Ba   
Lu   

Group Number
2   
16
Not Available   

Period Number
6   
6   

Block
s block   
f block   

Element Family
Alkaline Earth   
Lanthanide   

CAS Number
7440393   
99+
7439943   
99+

Space Group Name
Im_ 3m   
P63/mmc   

Space Group Number
229.00   
1
194.00   
5

Facts

Interesting Facts
  • Barium oxidizes very easily in the air.
  • All toxic compounds of Barium can easily dissolve in water.
  • Barium carbonate is used to produce a Rat poison and its other compound Barium nitrate is used in fireworks to produce green color.
  
  • 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 Minerals   
Found in Minerals, Mining, Ores of Minerals   

History
  
  

Who Discovered
Carl Wilhelm Scheele   
Georges Urbain and Carl Auer von Welsbach   

Discovery
In 1772   
In 1906   

Abundance
  
  

Abundance In Universe
1 * 10-6 %   
16
1 * 10-8 %   
30

Abundance In Sun
~0.000001 %   
18
~0.0000001 %   
26

Abundance In Meteorites
0.00 %   
20
0.00 %   
99+

Abundance In Earth's Crust
0.03 %   
11
0.00 %   
99+

Abundance In Oceans
0.00 %   
8
0.00 %   
99+

Abundance In Humans
0.00 %   
12
Not Available   

Uses

Uses & Benefits
  • It is sued in chemical paint manufacturing and glass manufacturing.
  • Compounds of this metal are toxic; but still the barium sulfate is insoluble and given to patients suffering from digestive disorder.
  
  • Lutetium metal is used outside research. It has commercial uses like Industrial catalyst for cracking oil refineries of hydrocarbons .
  

Industrial Uses
Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry   
NA   

Medical Uses
NA   
NA   

Other Uses
Alloys   
Alloys   

Biological Properties
  
  

Toxicity
Low Toxic   
Low Toxic   

Present in Human Body
Yes   
No   

In Blood
0.07 Blood/mg dm-3   
15
Not Available   

In Bone
70.00 p.p.m.   
9
Not Available   

Physical Properties

Melting Point
725.00 °C   
99+
1,652.00 °C   
19

Boiling Point
1,140.00 °C   
99+
3,402.00 °C   
19

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery Gray   
Silvery White   

Luster
NA   
Metallic   

Hardness
  
  

Mohs Hardness
1.25   
19
Not Available   

Brinell Hardness
Not Available   
893.00 MPa   
10

Vickers Hardness
Not Available   
1,160.00 MPa   
8

Speed of Sound
1,620.00 m/s   
99+
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
Ba   
Lu   

Isotopes
  
  

Known Isotopes
37   
2
35   
4

Electronegativity
  
  

Pauling Electronegativity
0.89   
99+
1.27   
34

Sanderson Electronegativity
0.68   
28
Not Available   

Allred Rochow Electronegativity
0.97   
38
1.14   
28

Mulliken-Jaffe Electronegativity
0.88   
22
Not Available   

Allen Electronegativity
0.88   
99+
Not Available   

Electropositivity
  
  

Pauling Electropositivity
3.11   
4
2.73   
20

Ionization Energies
  
  

1st Energy Level
502.90 kJ/mol   
99+
523.50 kJ/mol   
99+

2nd Energy Level
965.20 kJ/mol   
99+
1,340.00 kJ/mol   
99+

3rd Energy Level
3,600.00 kJ/mol   
14
2,022.30 kJ/mol   
99+

4th Energy Level
Not Available   
4,370.00 kJ/mol   
28

5th Energy Level
Not Available   
6,445.00 kJ/mol   
21

Electrochemical Equivalent
2.56 g/amp-hr   
20
2.18 g/amp-hr   
23

Electron Work Function
2.70 eV   
99+
3.30 eV   
33

Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   

Atomic Properties

Atomic Number
56   
99+
71   
99+

Electron Configuration
[Xe] 6s2   
[Xe] 6s2 4f14 5d1   

Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
56   
99+
71   
99+

Number of Neutrons
81   
99+
104   
30

Number of Electrons
56   
99+
71   
99+

Radius of an Atom
  
  

Atomic Radius
222.00 pm   
4
174.00 pm   
20

Covalent Radius
215.00 pm   
5
187.00 pm   
20

Van der Waals Radius
268.00 pm   
6
221.00 pm   
22

Atomic Weight
137.33 amu   
99+
174.97 amu   
40

Atomic Volume
39.24 cm3/mol   
5
17.78 cm3/mol   
30

Adjacent Atomic Numbers
  
  

Previous Element
Cesium
  
Ytterbium
  

Next Element
Lanthanum
  
Hafnium
  

Valence Electron Potential
21.30 (-eV)   
99+
50.90 (-eV)   
26

Lattice Constant
502.80 pm   
15
350.31 pm   
99+

Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
Not Available   
1.59   
10

Mechanical Properties

Density
  
  

Density At Room Temperature
3.51 g/cm3   
99+
9.84 g/cm3   
38

Density When Liquid (at m.p.)
3.34 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
7.11 (Pa)   
6
0.00 (Pa)   
33

Vapor Pressure at 2000 K
Not Available   
3.18 (Pa)   
11

Elasticity properties
  
  

Shear Modulus
4.90 GPa   
99+
27.20 GPa   
26

Bulk Modulus
9.60 GPa   
99+
47.60 GPa   
23

Young's Modulus
13.00 GPa   
99+
68.60 GPa   
30

Poisson Ratio
Not Available   
0.26   
21

Other Mechanical Properties
NA   
NA   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
3.62   
99+
9.84   
29

Magnetic Ordering
Paramagnetic   
Paramagnetic   

Electrical Properties
  
  

Electrical Property
Superconductor   
Conductor   

Resistivity
332.00 nΩ·m   
13
582.00 nΩ·m   
9

Electrical Conductivity
0.03 106/cm Ω   
40
0.02 106/cm Ω   
99+

Electron Affinity
13.95 kJ/mol   
36
50.00 kJ/mol   
21

Thermal Properties

Specific Heat
0.20 J/(kg K)   
30
0.15 J/(kg K)   
36

Molar Heat Capacity
28.07 J/mol·K   
12
26.86 J/mol·K   
24

Thermal Conductivity
18.40 W/m·K   
99+
16.40 W/m·K   
99+

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
20.60 µm/(m·K)   
22
9.90 µm/(m·K)   
40

Enthalpy
  
  

Enthalpy of Vaporization
140.00 kJ/mol   
99+
355.90 kJ/mol   
22

Enthalpy of Fusion
7.66 kJ/mol   
99+
18.70 kJ/mol   
13

Enthalpy of Atomization
175.70 kJ/mol   
99+
398.00 kJ/mol   
20

Standard Molar Entropy
62.50 J/mol.K   
20
51.00 J/mol.K   
30

Summary >>
<< Thermal

Compare All Metals

All Metals

All Metals


Compare All Metals