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Neptunium vs Copper

Neptunium
Copper
Copper vs Neptunium


Periodic Table
Symbol
Np   
Cu   
Group Number
Not Available   
11   
7
Period Number
7   
4   
Block
f block   
d block   
Element Family
Actinide   
Transition Metal   
CAS Number
7439998   
99+
7440508   
37
Space Group Name
Pnma   
Fm_ 3m   
Space Group Number
62.00   
11
225.00   
2
Facts
Interesting Facts
Not Available   
  • Copper rarely found in its pure form in nature.
  • Copper Sulfate is mostly used in agricultural poison and as an algicide in water purification system.
  
Sources
Made by Bombarding Uranium with Neutrons, Ores of metals   
Found in Minerals   
History
  
  
Who Discovered
Edwin McMillan and Philip H. Abelson   
Unknown   
Discovery
In 1940   
In Middle East (9000 BCE)   
Abundance
  
  
Abundance In Universe
Not Available   
6 * 10-6 %   
12
Abundance In Sun
~-9999 %   
~0.00007 %   
12
Abundance In Meteorites
Not Available   
0.01 %   
13
Abundance In Earth's Crust
Not Available   
0.01 %   
17
Abundance In Oceans
Not Available   
0.00 %   
8
Abundance In Humans
Not Available   
0.00 %   
9
Uses
Uses & Benefits
  • Currently known uses of Neptunium metal are limited to research purpose only.
  • Neptunium’s isotope neptunium-237 is used as a neutron detectors.
  
  • It is use for coinage and bullion.
  • Most of copper element is used in manufacturing electrical and electronic equipments such as wirings and components. It is also used in construction and industrial machine.
  
Industrial Uses
NA   
Chemical Industry, Electronic Industry   
Medical Uses
NA   
NA   
Other Uses
Alloys, Nuclear Research, Research Purposes   
Alloys, Coinage, Jewellery   
Biological Properties
  
  
Toxicity
Toxic   
Non Toxic   
Present in Human Body
No   
Yes   
In Blood
0.00 Blood/mg dm-3   
37
1.01 Blood/mg dm-3   
8
In Bone
0.00 p.p.m.   
36
26.00 p.p.m.   
12
Physical Properties
Melting Point
640.00 °C   
99+
1,084.62 °C   
40
Boiling Point
3,902.00 °C   
13
2,562.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silver   
Copper   
Luster
Metallic   
NA   
Hardness
  
  
Mohs Hardness
Not Available   
3.00   
12
Brinell Hardness
Not Available   
235.00 MPa   
38
Vickers Hardness
Not Available   
343.00 MPa   
28
Speed of Sound
Not Available   
3,810.00 m/s   
19
Optical Properties
  
  
Reflectivity
Not Available   
90.00 %   
3
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
Np   
Cu   
Isotopes
  
  
Known Isotopes
20   
19
29   
10
Electronegativity
  
  
Pauling Electronegativity
1.36   
29
1.90   
11
Sanderson Electronegativity
Not Available   
1.98   
9
Allred Rochow Electronegativity
1.22   
26
1.75   
3
Mulliken-Jaffe Electronegativity
Not Available   
1.49   
14
Allen Electronegativity
Not Available   
1.85   
9
Electropositivity
  
  
Pauling Electropositivity
2.64   
25
2.10   
99+
Ionization Energies
  
  
1st Energy Level
604.50 kJ/mol   
99+
745.50 kJ/mol   
22
2nd Energy Level
1,128.00 kJ/mol   
99+
1,957.90 kJ/mol   
15
3rd Energy Level
1,997.00 kJ/mol   
99+
3,555.00 kJ/mol   
15
4th Energy Level
3,242.00 kJ/mol   
99+
5,536.00 kJ/mol   
12
5th Energy Level
Not Available   
7,700.00 kJ/mol   
11
6th Energy Level
Not Available   
9,900.00 kJ/mol   
10
7th Energy level
Not Available   
13,400.00 kJ/mol   
7
8th Energy Level
Not Available   
16,000.00 kJ/mol   
9
9th Energy Level
Not Available   
19,200.00 kJ/mol   
9
10th Energy Level
Not Available   
22,400.00 kJ/mol   
11
11th Energy Level
Not Available   
25,600.00 kJ/mol   
13
12th Energy Level
Not Available   
35,600.00 kJ/mol   
6
13th Energy Level
Not Available   
38,700.00 kJ/mol   
6
14th Energy Level
Not Available   
42,000.00 kJ/mol   
7
15th Energy Level
Not Available   
46,700.00 kJ/mol   
9
16th Energy Level
Not Available   
50,200.00 kJ/mol   
10
17th Energy Level
Not Available   
53,700.00 kJ/mol   
12
18th Energy Level
Not Available   
61,100.00 kJ/mol   
10
19th Energy Level
Not Available   
64,702.00 kJ/mol   
11
20th Energy Level
Not Available   
163,700.00 kJ/mol   
2
21st Energy Level
Not Available   
174,100.00 kJ/mol   
2
22nd Energy Level
Not Available   
184,900.00 kJ/mol   
1
23rd Energy Level
Not Available   
198,800.00 kJ/mol   
1
Electrochemical Equivalent
1.77 g/amp-hr   
39
1.19 g/amp-hr   
99+
Electron Work Function
Not Available   
4.65 eV   
11
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Chemical Stability, Corrosion, Ionization, Solubility   
Atomic Properties
Atomic Number
93   
25
29   
99+
Electron Configuration
[Rn] 5f4 6d1 7s2   
[Ar] 3d10 4s1   
Crystal Structure
Orthorhombic (ORTH)   
Face Centered Cubic (FCC)   
Crystal Lattice
ORTH-Crystal-Structure-of-Neptunium.jpg#100   
FCC-Crystal-Structure-of-Copper.jpg#100   
Atom
  
  
Number of Protons
93   
25
29   
99+
Number of Neutrons
144   
14
35   
99+
Number of Electrons
93   
25
29   
99+
Radius of an Atom
  
  
Atomic Radius
155.00 pm   
30
128.00 pm   
99+
Covalent Radius
190.00 pm   
18
132.00 pm   
99+
Van der Waals Radius
221.00 pm   
22
140.00 pm   
99+
Atomic Weight
237.00 amu   
22
63.55 amu   
99+
Atomic Volume
11.62 cm3/mol   
99+
7.10 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Uranium
  
Nickel
  
Next Element
Plutonium
  
Zinc
  
Valence Electron Potential
96.00 (-eV)   
9
34.00 (-eV)   
99+
Lattice Constant
666.30 pm   
3
361.49 pm   
35
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
19.38 g/cm3   
14
8.96 g/cm3   
99+
Density When Liquid (at m.p.)
Not Available   
8.02 g/cm3   
27
Tensile Strength
125.00 MPa   
14
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
1.53 (Pa)   
8
Vapor Pressure at 2000 K
0.11 (Pa)   
17
Not Available   
Elasticity properties
  
  
Shear Modulus
Not Available   
48.00 GPa   
15
Bulk Modulus
Not Available   
140.00 GPa   
12
Young's Modulus
Not Available   
120.00 GPa   
17
Poisson Ratio
Not Available   
0.34   
10
Other Mechanical Properties
Ductile   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
20.25   
6
8.89   
34
Magnetic Ordering
Paramagnetic   
Diamagnetic   
Permeability
Not Available   
1.256629 * 10-6 H/m   
5
Susceptibility
Not Available   
-9.63 * 10-6   
4
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
1.22 nΩ·m   
99+
16.78 nΩ·m   
99+
Electrical Conductivity
0.01 106/cm Ω   
99+
0.60 106/cm Ω   
2
Electron Affinity
Not Available   
222.80 kJ/mol   
1
Thermal Properties
Specific Heat
0.12 J/(kg K)   
40
0.38 J/(kg K)   
15
Molar Heat Capacity
29.46 J/mol·K   
8
24.44 J/mol·K   
99+
Thermal Conductivity
6.30 W/m·K   
99+
401.00 W/m·K   
2
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
Not Available   
16.50 µm/(m·K)   
25
Enthalpy
  
  
Enthalpy of Vaporization
Not Available   
283.70 kJ/mol   
33
Enthalpy of Fusion
3.20 kJ/mol   
99+
7.11 kJ/mol   
99+
Enthalpy of Atomization
Not Available   
338.90 kJ/mol   
29
Standard Molar Entropy
Not Available   
33.20 J/mol.K   
99+
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