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Nickel vs Uranium

Nickel
Uranium
Uranium vs Nickel


Periodic Table
Symbol
Ni  
U  
Group Number
10  
8
0  
18
Period Number
4  
7  
Block
d block  
f block  
Element Family
Transition Metal  
Actinide  
CAS Number
7440020  
99+
7440611  
28
Space Group Name
Fm_ 3m  
Cmcm  
Space Group Number
225.00  
3
63.00  
13
Facts
Interesting Facts
  • Zinc metal found (obtain) in many forms like granules, foil, dust and in a powder form.
  • After iron, Zinc metal the second most abundant element in the earth crust.
  
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
  
Sources
Found in Minerals, Mining, Ores of Minerals  
Earth's crust, Mining, Ores of Minerals  
History
  
  
Who Discovered
Axel Fredrik Cronstedt  
-  
Discovery
In 1751  
In 1789  
Abundance
  
  
Abundance In Universe
0.01 %  
5
0.00 %  
30
Abundance In Sun
0.01 %  
3
0.00 %  
26
Abundance In Meteorites
1.30 %  
3
0.00 %  
99+
Abundance In Earth's Crust
0.01 %  
15
0.00 %  
36
Abundance In Oceans
0.00 %  
13
0.00 %  
11
Abundance In Humans
0.00 %  
17
0.00 %  
24
Uses
Uses & Benefits
  • It has corrosion resistance and hence it is used to plate other metals.
  • Its alloys are very useful; Nichrome alloy is used in the hot coil of toasters and electric oven.
  
  • 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
Automobile Industry, Electrical Industry, Electronic Industry  
Ammunition Industry, Chemical Industry  
Medical Uses
-  
-  
Other Uses
Alloys  
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues  
Biological Properties
  
  
Toxicity
Toxic  
Toxic  
Present in Human Body
Yes  
No  
In Blood
0.05 Blood/mg dm-3  
17
0.00 Blood/mg dm-3  
37
In Bone
0.70 p.p.m.  
20
1.20 p.p.m.  
19
Physical
Melting Point
1,453.00 °C  
31
1,132.00 °C  
39
Boiling Point
2,732.00 °C  
40
3,818.00 °C  
16
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silver  
Silvery Gray  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
4.00  
11
6.00  
6
Brinell Hardness
667.00 MPa  
20
2,350.00 MPa  
2
Vickers Hardness
638.00 MPa  
24
1,960.00 MPa  
6
Speed of Sound
4,900.00 m/s  
16
3,155.00 m/s  
36
Optical Properties
  
  
Refractive Index
1.68  
28
1.38  
40
Reflectivity
72.00 %  
11
80.00 %  
7
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Ni  
U  
Isotopes
  
  
Known Isotopes
25  
14
25  
14
Electronegativity
  
  
Pauling Electronegativity
1.91  
11
1.38  
29
Sanderson Electronegativity
1.94  
12
1.38  
22
Allred Rochow Electronegativity
1.75  
4
1.22  
27
Mulliken-Jaffe Electronegativity
1.91  
12
1.38  
29
Allen Electronegativity
1.88  
9
1.38  
36
Electropositivity
  
  
Pauling Electropositivity
2.09  
99+
2.62  
26
Ionization Energies
  
  
1st Energy Level
737.10 kJ/mol  
25
597.60 kJ/mol  
99+
2nd Energy Level
1,753.00 kJ/mol  
26
1,420.00 kJ/mol  
99+
3rd Energy Level
3,395.00 kJ/mol  
17
1,900.00 kJ/mol  
99+
4th Energy Level
5,300.00 kJ/mol  
24
3,145.00 kJ/mol  
99+
5th Energy Level
7,339.00 kJ/mol  
23
5,976.00 kJ/mol  
99+
6th Energy Level
10,400.00 kJ/mol  
15
5,976.00 kJ/mol  
99+
7th Energy level
12,800.00 kJ/mol  
10
5,970.00 kJ/mol  
99+
8th Energy Level
15,600.00 kJ/mol  
10
5,976.00 kJ/mol  
99+
9th Energy Level
18,600.00 kJ/mol  
10
5,976.00 kJ/mol  
99+
10th Energy Level
21,670.00 kJ/mol  
14
5,976.00 kJ/mol  
99+
11th Energy Level
30,970.00 kJ/mol  
7
5,976.00 kJ/mol  
99+
12th Energy Level
34,000.00 kJ/mol  
29
5,970.00 kJ/mol  
99+
13th Energy Level
37,100.00 kJ/mol  
7
5,970.00 kJ/mol  
99+
14th Energy Level
41,500.00 kJ/mol  
8
5,970.00 kJ/mol  
34
15th Energy Level
44,800.00 kJ/mol  
99+
59,700.00 kJ/mol  
99+
16th Energy Level
48,100.00 kJ/mol  
99+
59,700.00 kJ/mol  
35
17th Energy Level
55,101.00 kJ/mol  
11
597.60 kJ/mol  
99+
18th Energy Level
58,570.00 kJ/mol  
12
5,976.00 kJ/mol  
99+
19th Energy Level
148,700.00 kJ/mol  
1
597.60 kJ/mol  
99+
20th Energy Level
159,000.00 kJ/mol  
3
597.00 kJ/mol  
99+
21st Energy Level
169,400.00 kJ/mol  
3
597.60 kJ/mol  
99+
22nd Energy Level
182,700.00 kJ/mol  
2
597.00 kJ/mol  
99+
23rd Energy Level
194,000.00 kJ/mol  
2
597.60 kJ/mol  
99+
24th Energy Level
737.10 kJ/mol  
21
597.60 kJ/mol  
99+
25th Energy Level
737.10 kJ/mol  
21
597.60 kJ/mol  
99+
26th Energy Level
737.10 kJ/mol  
21
597.60 kJ/mol  
99+
27th Energy Level
737.10 kJ/mol  
20
597.60 kJ/mol  
99+
28th Energy Level
737.10 kJ/mol  
26
597.60 kJ/mol  
99+
29th Energy Level
737.10 kJ/mol  
27
597.60 kJ/mol  
99+
30th Energy Level
737.00 kJ/mol  
21
597.60 kJ/mol  
99+
Electrochemical Equivalent
1.10 g/amp-hr  
99+
1.48 g/amp-hr  
99+
Electron Work Function
5.15 eV  
6
3.63 eV  
99+
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
28  
99+
92  
26
Electron Configuration
[Ar] 3d8 4s2 Or [Ar] 3d9 4s1  
[Rn] 5f3 6d1 7s2  
Crystal Structure
Face Centered Cubic (FCC)  
Orthorhombic (ORTH)  
Crystal Lattice
FCC-Crystal-Structure-of-Nickel.jpg#100  
ORTH-Crystal-Structure-of-Uranium.jpg#100  
Atom
  
  
Number of Protons
28  
99+
92  
26
Number of Neutrons
31  
99+
146  
14
Number of Electrons
28  
99+
92  
26
Radius of an Atom
  
  
Atomic Radius
124.00 pm  
99+
156.00 pm  
31
Covalent Radius
124.00 pm  
99+
196.00 pm  
14
Van der Waals Radius
163.00 pm  
99+
186.00 pm  
40
Atomic Weight
58.69 amu  
99+
238.03 amu  
21
Atomic Volume
6.59 cm3/mol  
99+
12.59 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Cobalt
  
Protactinium
  
Next Element
Copper
  
Neptunium
  
Valence Electron Potential
42.00 (-eV)  
99+
170.00 (-eV)  
4
Lattice Constant
352.40 pm  
99+
295.08 pm  
99+
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.86  
4
1.02  
99+
Mechanical
Density
  
  
Density At Room Temperature
8.91 g/cm3  
99+
19.10 g/cm3  
17
Density When Liquid (at m.p.)
7.81 g/cm3  
99+
17.30 g/cm3  
17
Tensile Strength
345.00 MPa  
13
100.00 MPa  
28
Viscosity
0.00  
8
0.00  
21
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
33
0.00 (Pa)  
37
Vapor Pressure at 2000 K
19.50 (Pa)  
6
0.01 (Pa)  
20
Elasticity properties
  
  
Shear Modulus
76.00 GPa  
12
111.00 GPa  
10
Bulk Modulus
180.00 GPa  
9
100.00 GPa  
16
Young's Modulus
200.00 GPa  
12
208.00 GPa  
11
Poisson Ratio
0.31  
13
0.23  
30
Other Mechanical Properties
Ductile  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
8.90  
99+
18.80  
19
Magnetic Ordering
Ferromagnetic  
Paramagnetic  
Permeability
0.00 H/m  
2
0.00 H/m  
16
Susceptibility
600.00  
2
0.00  
24
Electrical Properties
  
  
Electrical Property
Conductor  
Poor Conductor  
Resistivity
69.30 nΩ·m  
39
0.28 nΩ·m  
99+
Electrical Conductivity
0.14 106/cm Ω  
14
0.04 106/cm Ω  
99+
Electron Affinity
112.00 kJ/mol  
7
50.60 kJ/mol  
25
Thermal
Specific Heat
0.44 J/(kg K)  
13
0.12 J/(kg K)  
99+
Molar Heat Capacity
26.07 J/mol·K  
39
27.67 J/mol·K  
18
Thermal Conductivity
90.90 W/m·K  
18
27.50 W/m·K  
99+
Critical Temperature
1,728.00 K  
35
1,405.00 K  
99+
Thermal Expansion
13.40 µm/(m·K)  
34
13.90 µm/(m·K)  
30
Enthalpy
  
  
Enthalpy of Vaporization
371.80 kJ/mol  
29
477.00 kJ/mol  
18
Enthalpy of Fusion
17.57 kJ/mol  
14
15.48 kJ/mol  
19
Enthalpy of Atomization
422.60 kJ/mol  
22
489.50 kJ/mol  
18
Standard Molar Entropy
29.90 J/mol.K  
99+
50.20 J/mol.K  
99+
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