Curium vs Copper
Periodic Table
Symbol
Cm
Cu
Group Number
Not Available
11
7
Period Number
7
4
Block
f block
d block
Element Family
Actinide
Transition Metal
CAS Number
7440519
36
7440508
37
Space Group Name
Not Available
Fm_ 3m
Space Group Number
Not Available
225.00
2
Facts
Interesting Facts
- Curium metal does not occur free in nature.
- Curium metal is a synthetically produced metal.
- 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
Bombarding Plutonium with Helium Ions
Found in Minerals
History
Who Discovered
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso
Unknown
Discovery
In 1944
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
- Curium metal is used to provide power to electrical equipment for space missions.
- 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
Research Purposes
Alloys, Coinage, Jewellery
Biological Properties
Toxicity
Unknown
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
1,340.00 °C
34
1,084.62 °C
40
Boiling Point
3,110.00 °C
30
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
Cm
Cu
Isotopes
Known Isotopes
15
24
29
10
Electronegativity
Pauling Electronegativity
1.30
32
1.90
11
Sanderson Electronegativity
Not Available
1.98
9
Allred Rochow Electronegativity
1.20
27
1.75
3
Mulliken-Jaffe Electronegativity
Not Available
1.49
14
Allen Electronegativity
Not Available
1.85
9
Electropositivity
Pauling Electropositivity
2.70
22
2.10
99+
Ionization Energies
1st Energy Level
581.00 kJ/mol
99+
745.50 kJ/mol
22
2nd Energy Level
1,196.00 kJ/mol
99+
1,957.90 kJ/mol
15
3rd Energy Level
2,026.00 kJ/mol
99+
3,555.00 kJ/mol
15
4th Energy Level
3,550.00 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
3.07 g/amp-hr
16
1.19 g/amp-hr
99+
Electron Work Function
Not Available
4.65 eV
11
Other Chemical Properties
Ionization, Radioactive Isotopes
Chemical Stability, Corrosion, Ionization, Solubility
Atomic Properties
Atomic Number
96
22
29
99+
Electron Configuration
[Rn] 5f7 6d1 7s2
[Ar] 3d10 4s1
Crystal Structure
Double Hexagonal Close Packed (DHCP)
Face Centered Cubic (FCC)
Crystal Lattice
DHCP-Crystal-Structure-of-Curium.jpg#100
FCC-Crystal-Structure-of-Copper.jpg#100
Atom
Number of Protons
96
22
29
99+
Number of Neutrons
151
10
35
99+
Number of Electrons
96
22
29
99+
Radius of an Atom
Atomic Radius
174.00 pm
20
128.00 pm
99+
Covalent Radius
169.00 pm
26
132.00 pm
99+
Van der Waals Radius
200.00 pm
28
140.00 pm
99+
Atomic Weight
247.00 amu
18
63.55 amu
99+
Atomic Volume
18.28 cm3/mol
26
7.10 cm3/mol
99+
Adjacent Atomic Numbers
Valence Electron Potential
44.50 (-eV)
38
34.00 (-eV)
99+
Lattice Constant
Not Available
361.49 pm
35
Lattice Angles
NA
π/2, π/2, π/2
Lattice C/A Ratio
Not Available
Not Available
Mechanical Properties
Density
Density At Room Temperature
13.51 g/cm3
25
8.96 g/cm3
99+
Density When Liquid (at m.p.)
13.85 g/cm3
10
8.02 g/cm3
27
Tensile Strength
Not Available
Not Available
Viscosity
Not Available
Not Available
Vapor Pressure
Vapor Pressure at 1000 K
Not Available
1.53 (Pa)
8
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
Unknown
Ductile, Malleable
Magnetic Properties
Magnetic Characteristics
Specific Gravity
13.51
17
8.89
34
Magnetic Ordering
Antiferromagnetic
Diamagnetic
Permeability
Not Available
1.256629 * 10-6 H/m
5
Susceptibility
Not Available
-9.63 * 10-6
4
Electrical Properties
Electrical Property
Unknown
Conductor
Resistivity
1.25 nΩ·m
99+
16.78 nΩ·m
99+
Electrical Conductivity
Not Available
0.60 106/cm Ω
2
Electron Affinity
Not Available
222.80 kJ/mol
1
Thermal Properties
Specific Heat
Not Available
0.38 J/(kg K)
15
Molar Heat Capacity
Not Available
24.44 J/mol·K
99+
Thermal Conductivity
Not Available
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
15.00 kJ/mol
21
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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