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Gold vs Uranium

Gold
Uranium
Uranium vs Gold


Periodic Table
Symbol
Au   
U   
Group Number
11   
7
0   
18
Period Number
6   
7   
Block
d block   
f block   
Element Family
Transition Metal   
Actinide   
CAS Number
7440575   
31
7440611   
28
Space Group Name
Fm_ 3m   
Cmcm   
Space Group Number
225.00   
2
63.00   
10
Facts
Interesting Facts
  • It is found in copper ores and from the crust of the earth.
  • It is the most malleable and ductile metal.
  • Gold alloys are used in Dentistry as fillings, crowning, clips, etc. It is also used as an artificial limb joints.
  
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
  
Sources
Earth's crust, Mining, Ores of metals   
Earth's crust, Mining, Ores of Minerals   
History
  
  
Who Discovered
Unknown   
Not Available   
Discovery
Before 6000 BCE   
In 1789   
Abundance
  
  
Abundance In Universe
6 * 10-8 %   
26
2 * 10-8 %   
29
Abundance In Sun
~0.0000001 %   
26
~0.0000001 %   
26
Abundance In Meteorites
0.00 %   
99+
0.00 %   
99+
Abundance In Earth's Crust
0.00 %   
99+
0.00 %   
36
Abundance In Oceans
0.00 %   
21
0.00 %   
11
Abundance In Humans
0.00 %   
18
Not Available   
Uses
Uses & Benefits
  • Gold metal is mainly used for Jewelry, bullion, coinage, etc.
  • It is used in the art, decoration, ornaments, etc. It is also used for electroplating process.
  
  • 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.
  
Industrial Uses
Chemical Industry, Clothing Industry, Electrical Industry, Electronic Industry   
Ammunition Industry, Chemical Industry   
Medical Uses
Dentistry, Pharmaceutical Industry   
NA   
Other Uses
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues   
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues   
Biological Properties
  
  
Toxicity
Non Toxic   
Toxic   
Present in Human Body
Yes   
No   
In Blood
0.00 Blood/mg dm-3   
35
Not Available   
In Bone
0.02 p.p.m.   
30
Not Available   
Physical Properties
Melting Point
1,064.43 °C   
99+
1,132.00 °C   
39
Boiling Point
2,807.00 °C   
36
3,818.00 °C   
16
Appearance
  
  
Physical State
Solid   
Solid   
Color
Gold   
Silvery Gray   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
2.50   
14
6.00   
6
Brinell Hardness
194.00 MPa   
99+
2,350.00 MPa   
2
Vickers Hardness
216.00 MPa   
31
1,960.00 MPa   
2
Speed of Sound
2,030.00 m/s   
99+
3,155.00 m/s   
25
Optical Properties
  
  
Reflectivity
95.00 %   
2
Not Available   
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
Au   
U   
Isotopes
  
  
Known Isotopes
36   
3
25   
14
Electronegativity
  
  
Pauling Electronegativity
2.54   
1
1.38   
28
Allred Rochow Electronegativity
1.42   
18
1.22   
26
Mulliken-Jaffe Electronegativity
1.87   
7
Not Available   
Allen Electronegativity
1.92   
5
Not Available   
Electropositivity
  
  
Pauling Electropositivity
1.46   
99+
2.62   
26
Ionization Energies
  
  
1st Energy Level
890.10 kJ/mol   
8
597.60 kJ/mol   
99+
2nd Energy Level
1,980.00 kJ/mol   
12
1,420.00 kJ/mol   
99+
3rd Energy Level
Not Available   
1,900.00 kJ/mol   
99+
4th Energy Level
Not Available   
3,145.00 kJ/mol   
99+
Electrochemical Equivalent
2.45 g/amp-hr   
21
1.48 g/amp-hr   
99+
Electron Work Function
5.10 eV   
4
3.63 eV   
30
Other Chemical Properties
Chemical Stability, Ionization, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   
Atomic Properties
Atomic Number
79   
37
92   
26
Electron Configuration
[Xe] 4f14 5d10 6s1   
[Rn] 5f3 6d1 7s2   
Crystal Structure
Face Centered Cubic (FCC)   
Orthorhombic (ORTH)   
Crystal Lattice
FCC-Crystal-Structure-of-Gold.jpg#100   
ORTH-Crystal-Structure-of-Uranium.jpg#100   
Atom
  
  
Number of Protons
79   
37
92   
26
Number of Neutrons
118   
23
146   
13
Number of Electrons
79   
37
92   
26
Radius of an Atom
  
  
Atomic Radius
151.00 pm   
32
156.00 pm   
29
Covalent Radius
144.00 pm   
40
196.00 pm   
14
Van der Waals Radius
166.00 pm   
39
186.00 pm   
33
Atomic Weight
196.97 amu   
33
238.03 amu   
21
Atomic Volume
10.20 cm3/mol   
99+
12.59 cm3/mol   
40
Adjacent Atomic Numbers
  
  
Previous Element
Platinum
  
Protactinium
  
Next Element
Mercury
  
Neptunium
  
Valence Electron Potential
43.40 (-eV)   
99+
170.00 (-eV)   
4
Lattice Constant
407.82 pm   
21
295.08 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
1.61   
4
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
19.30 g/cm3   
15
19.10 g/cm3   
17
Density When Liquid (at m.p.)
17.31 g/cm3   
6
17.30 g/cm3   
7
Tensile Strength
120.00 MPa   
15
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
23
Not Available   
Vapor Pressure at 2000 K
67.00 (Pa)   
4
0.01 (Pa)   
20
Elasticity properties
  
  
Shear Modulus
27.00 GPa   
27
111.00 GPa   
10
Bulk Modulus
180.00 GPa   
9
100.00 GPa   
16
Young's Modulus
79.00 GPa   
24
208.00 GPa   
10
Poisson Ratio
0.40   
4
0.23   
30
Other Mechanical Properties
Ductile, Malleable   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
19.32   
8
18.80   
10
Magnetic Ordering
Diamagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Poor Conductor   
Resistivity
2.20 nΩ·m   
99+
0.28 nΩ·m   
99+
Electrical Conductivity
0.45 106/cm Ω   
3
0.04 106/cm Ω   
37
Electron Affinity
222.80 kJ/mol   
1
Not Available   
Thermal Properties
Specific Heat
0.13 J/(kg K)   
39
0.12 J/(kg K)   
40
Molar Heat Capacity
25.42 J/mol·K   
40
27.67 J/mol·K   
15
Thermal Conductivity
318.00 W/m·K   
3
27.50 W/m·K   
40
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
14.20 µm/(m·K)   
26
13.90 µm/(m·K)   
27
Enthalpy
  
  
Enthalpy of Vaporization
324.40 kJ/mol   
27
477.00 kJ/mol   
13
Enthalpy of Fusion
12.55 kJ/mol   
27
15.48 kJ/mol   
19
Enthalpy of Atomization
364.00 kJ/mol   
25
489.50 kJ/mol   
14
Standard Molar Entropy
47.40 J/mol.K   
32
50.20 J/mol.K   
31
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