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Uranium vs Barium

Uranium
Barium
Barium vs Uranium


Periodic Table
Symbol
U  
Ba  
Group Number
0  
18
2  
16
Period Number
7  
6  
Block
f block  
s block  
Element Family
Actinide  
Alkaline Earth  
CAS Number
7440611  
28
7440393  
99+
Space Group Name
Cmcm  
Im_ 3m  
Space Group Number
63.00  
13
229.00  
2
Facts
Interesting Facts
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
  
  • 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.
  
Sources
Earth's crust, Mining, Ores of Minerals  
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
-  
Carl Wilhelm Scheele  
Discovery
In 1789  
In 1772  
Abundance
  
  
Abundance In Universe
0.00 %  
30
0.00 %  
17
Abundance In Sun
0.00 %  
26
0.00 %  
18
Abundance In Meteorites
0.00 %  
99+
0.00 %  
20
Abundance In Earth's Crust
0.00 %  
36
0.03 %  
11
Abundance In Oceans
0.00 %  
11
0.00 %  
8
Abundance In Humans
0.00 %  
24
0.00 %  
13
Uses
Uses & Benefits
  • The main use of this metal include nuclear fuel which is used to generate electricity yin nuclear power stations.
  • Synthetic elements like transuranium are made from Uranium metal.
  
  • 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.
  
Industrial Uses
Ammunition Industry, Chemical Industry  
Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry  
Medical Uses
-  
-  
Other Uses
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues  
Alloys  
Biological Properties
  
  
Toxicity
Toxic  
Low Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
37
0.07 Blood/mg dm-3  
15
In Bone
1.20 p.p.m.  
19
70.00 p.p.m.  
9
Physical
Melting Point
1,132.00 °C  
39
725.00 °C  
99+
Boiling Point
3,818.00 °C  
16
1,140.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery Gray  
Silvery Gray  
Luster
Metallic  
-  
Hardness
  
  
Mohs Hardness
6.00  
6
1.25  
20
Brinell Hardness
2,350.00 MPa  
2
130.00 MPa  
99+
Vickers Hardness
1,960.00 MPa  
6
210.00 MPa  
99+
Speed of Sound
3,155.00 m/s  
36
1,620.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.38  
40
1.47  
38
Reflectivity
80.00 %  
7
65.00 %  
18
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
U  
Ba  
Isotopes
  
  
Known Isotopes
25  
14
37  
2
Electronegativity
  
  
Pauling Electronegativity
1.38  
29
0.89  
99+
Sanderson Electronegativity
1.38  
22
0.68  
99+
Allred Rochow Electronegativity
1.22  
27
0.97  
39
Mulliken-Jaffe Electronegativity
1.38  
29
0.88  
99+
Allen Electronegativity
1.38  
36
0.88  
99+
Electropositivity
  
  
Pauling Electropositivity
2.62  
26
3.11  
4
Ionization Energies
  
  
1st Energy Level
597.60 kJ/mol  
99+
502.90 kJ/mol  
99+
2nd Energy Level
1,420.00 kJ/mol  
99+
965.20 kJ/mol  
99+
3rd Energy Level
1,900.00 kJ/mol  
99+
3,600.00 kJ/mol  
14
4th Energy Level
3,145.00 kJ/mol  
99+
502.90 kJ/mol  
99+
5th Energy Level
5,976.00 kJ/mol  
99+
5,020.00 kJ/mol  
99+
6th Energy Level
5,976.00 kJ/mol  
99+
5,020.00 kJ/mol  
99+
7th Energy level
5,970.00 kJ/mol  
99+
5,020.00 kJ/mol  
99+
8th Energy Level
5,976.00 kJ/mol  
99+
5,020.00 kJ/mol  
99+
9th Energy Level
5,976.00 kJ/mol  
99+
5,020.00 kJ/mol  
99+
10th Energy Level
5,976.00 kJ/mol  
99+
5,020.00 kJ/mol  
99+
11th Energy Level
5,976.00 kJ/mol  
99+
5,020.00 kJ/mol  
99+
12th Energy Level
5,970.00 kJ/mol  
99+
5,020.00 kJ/mol  
99+
13th Energy Level
5,970.00 kJ/mol  
99+
5,020.00 kJ/mol  
99+
14th Energy Level
5,970.00 kJ/mol  
34
5,020.00 kJ/mol  
99+
15th Energy Level
59,700.00 kJ/mol  
99+
50,200.00 kJ/mol  
99+
16th Energy Level
59,700.00 kJ/mol  
35
50,270.00 kJ/mol  
99+
17th Energy Level
597.60 kJ/mol  
99+
502.90 kJ/mol  
99+
18th Energy Level
5,976.00 kJ/mol  
99+
5,020.00 kJ/mol  
99+
19th Energy Level
597.60 kJ/mol  
99+
502.90 kJ/mol  
99+
20th Energy Level
597.00 kJ/mol  
99+
502.00 kJ/mol  
99+
21st Energy Level
597.60 kJ/mol  
99+
502.90 kJ/mol  
99+
22nd Energy Level
597.00 kJ/mol  
99+
502.00 kJ/mol  
99+
23rd Energy Level
597.60 kJ/mol  
99+
502.90 kJ/mol  
99+
24th Energy Level
597.60 kJ/mol  
99+
502.90 kJ/mol  
99+
25th Energy Level
597.60 kJ/mol  
99+
503.00 kJ/mol  
99+
26th Energy Level
597.60 kJ/mol  
99+
502.90 kJ/mol  
99+
27th Energy Level
597.60 kJ/mol  
99+
502.90 kJ/mol  
99+
28th Energy Level
597.60 kJ/mol  
99+
502.90 kJ/mol  
99+
29th Energy Level
597.60 kJ/mol  
99+
502.90 kJ/mol  
99+
30th Energy Level
597.60 kJ/mol  
99+
503.00 kJ/mol  
99+
Electrochemical Equivalent
1.48 g/amp-hr  
99+
2.56 g/amp-hr  
24
Electron Work Function
3.63 eV  
99+
2.70 eV  
99+
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Radioactive Isotopes, Radioactivity, Solubility  
Atomic
Atomic Number
92  
26
56  
99+
Electron Configuration
[Rn] 5f3 6d1 7s2  
[Xe] 6s2  
Crystal Structure
Orthorhombic (ORTH)  
Body Centered Cubic (BCC)  
Crystal Lattice
ORTH-Crystal-Structure-of-Uranium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
92  
26
56  
99+
Number of Neutrons
146  
14
81  
99+
Number of Electrons
92  
26
56  
99+
Radius of an Atom
  
  
Atomic Radius
156.00 pm  
31
222.00 pm  
5
Covalent Radius
196.00 pm  
14
215.00 pm  
5
Van der Waals Radius
186.00 pm  
40
268.00 pm  
8
Atomic Weight
238.03 amu  
21
137.33 amu  
99+
Atomic Volume
12.59 cm3/mol  
99+
39.24 cm3/mol  
6
Adjacent Atomic Numbers
  
  
Previous Element
Protactinium
  
Cesium
  
Next Element
Neptunium
  
Lanthanum
  
Valence Electron Potential
170.00 (-eV)  
4
21.30 (-eV)  
99+
Lattice Constant
295.08 pm  
99+
502.80 pm  
17
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.02  
99+
1.57  
99+
Mechanical
Density
  
  
Density At Room Temperature
19.10 g/cm3  
17
3.51 g/cm3  
99+
Density When Liquid (at m.p.)
17.30 g/cm3  
17
3.34 g/cm3  
99+
Tensile Strength
100.00 MPa  
28
55.00 MPa  
37
Viscosity
0.00  
21
0.00  
2
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
7.11 (Pa)  
6
Vapor Pressure at 2000 K
0.01 (Pa)  
20
0.00 (Pa)  
30
Elasticity properties
  
  
Shear Modulus
111.00 GPa  
10
4.90 GPa  
99+
Bulk Modulus
100.00 GPa  
16
9.60 GPa  
99+
Young's Modulus
208.00 GPa  
11
13.00 GPa  
99+
Poisson Ratio
0.23  
30
0.22  
31
Other Mechanical Properties
Ductile, Malleable  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
18.80  
19
3.62  
99+
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
16
0.00 H/m  
15
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
Poor Conductor  
Superconductor  
Resistivity
0.28 nΩ·m  
99+
332.00 nΩ·m  
13
Electrical Conductivity
0.04 106/cm Ω  
99+
0.03 106/cm Ω  
99+
Electron Affinity
50.60 kJ/mol  
25
13.95 kJ/mol  
99+
Thermal
Specific Heat
0.12 J/(kg K)  
99+
0.20 J/(kg K)  
31
Molar Heat Capacity
27.67 J/mol·K  
18
28.07 J/mol·K  
15
Thermal Conductivity
27.50 W/m·K  
99+
18.40 W/m·K  
99+
Critical Temperature
1,405.00 K  
99+
1,000.00 K  
99+
Thermal Expansion
13.90 µm/(m·K)  
30
20.60 µm/(m·K)  
24
Enthalpy
  
  
Enthalpy of Vaporization
477.00 kJ/mol  
18
140.00 kJ/mol  
99+
Enthalpy of Fusion
15.48 kJ/mol  
19
7.66 kJ/mol  
99+
Enthalpy of Atomization
489.50 kJ/mol  
18
175.70 kJ/mol  
99+
Standard Molar Entropy
50.20 J/mol.K  
99+
62.50 J/mol.K  
25
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