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Barium vs Tungsten

Barium
Tungsten
Tungsten vs Barium


Periodic Table
Symbol
Ba   
W   
Group Number
2   
16
6   
12
Period Number
6   
6   
Block
s block   
d block   
Element Family
Alkaline Earth   
Transition Metal   
CAS Number
7440393   
99+
7440337   
99+
Space Group Name
Im_ 3m   
Im_ 3m   
Space Group Number
229.00   
1
229.00   
1
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.
  
  • Tungsten element has the second highest melting point.
  • Pure tungsten can easily cut down with the help of hacksaw.
  
Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals   
Earth's crust, Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
Carl Wilhelm Scheele   
Not Available   
Discovery
In 1772   
In 1781   
Abundance
  
  
Abundance In Universe
1 * 10-6 %   
16
5 * 10-8 %   
27
Abundance In Sun
~0.000001 %   
18
~0.0000004 %   
23
Abundance In Meteorites
0.00 %   
20
0.00 %   
39
Abundance In Earth's Crust
0.03 %   
11
0.00 %   
39
Abundance In Oceans
0.00 %   
8
0.00 %   
18
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.
  
  • Tungsten and its alloys are used in high-temperature applications like welding electrodes, high-temperature furnace, etc.
  • Tungsten carbide is very hard and used in metal working, mining and petroleum industry.
  
Industrial Uses
Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry   
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry   
Medical Uses
NA   
NA   
Other Uses
Alloys   
Alloys   
Biological Properties
  
  
Toxicity
Low Toxic   
Non Toxic   
Present in Human Body
Yes   
Yes   
In Blood
0.07 Blood/mg dm-3   
15
0.00 Blood/mg dm-3   
31
In Bone
70.00 p.p.m.   
9
0.00 p.p.m.   
35
Physical Properties
Melting Point
725.00 °C   
99+
3,410.00 °C   
1
Boiling Point
1,140.00 °C   
99+
5,660.00 °C   
1
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery Gray   
Grayish White   
Luster
NA   
Lustrous   
Hardness
  
  
Mohs Hardness
1.25   
19
7.50   
2
Brinell Hardness
Not Available   
2,000.00 MPa   
4
Vickers Hardness
Not Available   
3,430.00 MPa   
1
Speed of Sound
1,620.00 m/s   
99+
4,620.00 m/s   
16
Optical Properties
  
  
Reflectivity
Not Available   
62.00 %   
13
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   
W   
Isotopes
  
  
Known Isotopes
37   
2
33   
6
Electronegativity
  
  
Pauling Electronegativity
0.89   
99+
2.36   
2
Sanderson Electronegativity
0.68   
28
0.98   
23
Allred Rochow Electronegativity
0.97   
38
1.40   
19
Mulliken-Jaffe Electronegativity
0.88   
22
Not Available   
Allen Electronegativity
0.88   
99+
1.47   
29
Electropositivity
  
  
Pauling Electropositivity
3.11   
4
1.64   
99+
Ionization Energies
  
  
1st Energy Level
502.90 kJ/mol   
99+
770.00 kJ/mol   
16
2nd Energy Level
965.20 kJ/mol   
99+
1,700.00 kJ/mol   
29
3rd Energy Level
3,600.00 kJ/mol   
14
Not Available   
Electrochemical Equivalent
2.56 g/amp-hr   
20
1.14 g/amp-hr   
99+
Electron Work Function
2.70 eV   
99+
4.55 eV   
13
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Ionization, Radioactive Isotopes, Solubility   
Atomic Properties
Atomic Number
56   
99+
74   
99+
Electron Configuration
[Xe] 6s2   
[Xe] 4f14 5d4 6s2   
Crystal Structure
Body Centered Cubic (BCC)   
Body Centered Cubic (BCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
56   
99+
74   
99+
Number of Neutrons
81   
99+
110   
27
Number of Electrons
56   
99+
74   
99+
Radius of an Atom
  
  
Atomic Radius
222.00 pm   
4
139.00 pm   
39
Covalent Radius
215.00 pm   
5
162.00 pm   
29
Van der Waals Radius
268.00 pm   
6
200.00 pm   
28
Atomic Weight
137.33 amu   
99+
183.84 amu   
37
Atomic Volume
39.24 cm3/mol   
5
9.53 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Cesium
  
Tantalum
  
Next Element
Lanthanum
  
Rhenium
  
Valence Electron Potential
21.30 (-eV)   
99+
140.00 (-eV)   
5
Lattice Constant
502.80 pm   
15
316.52 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
3.51 g/cm3   
99+
19.25 g/cm3   
16
Density When Liquid (at m.p.)
3.34 g/cm3   
99+
17.60 g/cm3   
5
Tensile Strength
Not Available   
370.00 MPa   
10
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
7.11 (Pa)   
6
Not Available   
Vapor Pressure at 2000 K
Not Available   
0.00 (Pa)   
32
Elasticity properties
  
  
Shear Modulus
4.90 GPa   
99+
161.00 GPa   
5
Bulk Modulus
9.60 GPa   
99+
310.00 GPa   
4
Young's Modulus
13.00 GPa   
99+
411.00 GPa   
4
Poisson Ratio
Not Available   
0.28   
17
Other Mechanical Properties
NA   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
3.62   
99+
19.22   
9
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Superconductor   
Superconductor   
Resistivity
332.00 nΩ·m   
13
52.80 nΩ·m   
99+
Electrical Conductivity
0.03 106/cm Ω   
40
0.19 106/cm Ω   
10
Electron Affinity
13.95 kJ/mol   
36
78.60 kJ/mol   
13
Thermal Properties
Specific Heat
0.20 J/(kg K)   
30
0.13 J/(kg K)   
39
Molar Heat Capacity
28.07 J/mol·K   
12
24.27 J/mol·K   
99+
Thermal Conductivity
18.40 W/m·K   
99+
173.00 W/m·K   
7
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
20.60 µm/(m·K)   
22
4.50 µm/(m·K)   
99+
Enthalpy
  
  
Enthalpy of Vaporization
140.00 kJ/mol   
99+
799.10 kJ/mol   
1
Enthalpy of Fusion
7.66 kJ/mol   
99+
35.23 kJ/mol   
1
Enthalpy of Atomization
175.70 kJ/mol   
99+
837.00 kJ/mol   
1
Standard Molar Entropy
62.50 J/mol.K   
20
32.60 J/mol.K   
99+
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