Nickel vs Curium
Periodic Table
Symbol
Ni
Cm
Group Number
10
8
Not Available
Period Number
4
7
Block
d block
f block
Element Family
Transition Metal
Actinide
CAS Number
7440020
99+
7440519
36
Space Group Name
Fm_ 3m
Not Available
Space Group Number
225.00
2
Not Available
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.
- Curium metal does not occur free in nature.
- Curium metal is a synthetically produced metal.
Sources
Found in Minerals, Mining, Ores of Minerals
Bombarding Plutonium with Helium Ions
History
Who Discovered
Axel Fredrik Cronstedt
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso
Discovery
In 1751
In 1944
Abundance
Abundance In Universe
6 * 10-3 %
4
Not Available
Abundance In Sun
~0.008 %
3
~-9999 %
Abundance In Meteorites
1.30 %
3
Not Available
Abundance In Earth's Crust
0.01 %
15
Not Available
Abundance In Oceans
0.00 %
13
Not Available
Abundance In Humans
0.00 %
14
Not Available
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.
- Curium metal is used to provide power to electrical equipment for space missions.
Industrial Uses
Automobile Industry, Electrical Industry, Electronic Industry
NA
Medical Uses
NA
NA
Other Uses
Alloys
Research Purposes
Biological Properties
Toxicity
Toxic
Unknown
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.
18
0.00 p.p.m.
36
Physical Properties
Melting Point
1,453.00 °C
31
1,340.00 °C
34
Boiling Point
2,732.00 °C
38
3,110.00 °C
30
Appearance
Physical State
Solid
Solid
Color
Silver
Silver
Luster
Metallic
Metallic
Hardness
Mohs Hardness
4.00
10
Not Available
Brinell Hardness
667.00 MPa
18
Not Available
Vickers Hardness
638.00 MPa
16
Not Available
Speed of Sound
4,900.00 m/s
12
Not Available
Optical Properties
Reflectivity
72.00 %
9
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
Ni
Cm
Isotopes
Known Isotopes
25
14
15
24
Electronegativity
Pauling Electronegativity
1.91
10
1.30
32
Sanderson Electronegativity
1.94
10
Not Available
Allred Rochow Electronegativity
1.75
3
1.20
27
Allen Electronegativity
1.88
6
Not Available
Electropositivity
Pauling Electropositivity
2.09
99+
2.70
22
Ionization Energies
1st Energy Level
737.10 kJ/mol
25
581.00 kJ/mol
99+
2nd Energy Level
1,753.00 kJ/mol
25
1,196.00 kJ/mol
99+
3rd Energy Level
3,395.00 kJ/mol
17
2,026.00 kJ/mol
99+
4th Energy Level
5,300.00 kJ/mol
15
3,550.00 kJ/mol
99+
5th Energy Level
7,339.00 kJ/mol
15
Not Available
6th Energy Level
10,400.00 kJ/mol
9
Not Available
7th Energy level
12,800.00 kJ/mol
10
Not Available
8th Energy Level
15,600.00 kJ/mol
10
Not Available
9th Energy Level
18,600.00 kJ/mol
10
Not Available
10th Energy Level
21,670.00 kJ/mol
14
Not Available
11th Energy Level
30,970.00 kJ/mol
7
Not Available
12th Energy Level
34,000.00 kJ/mol
7
Not Available
13th Energy Level
37,100.00 kJ/mol
7
Not Available
14th Energy Level
41,500.00 kJ/mol
8
Not Available
15th Energy Level
44,800.00 kJ/mol
10
Not Available
16th Energy Level
48,100.00 kJ/mol
12
Not Available
17th Energy Level
55,101.00 kJ/mol
11
Not Available
18th Energy Level
58,570.00 kJ/mol
12
Not Available
19th Energy Level
148,700.00 kJ/mol
1
Not Available
20th Energy Level
159,000.00 kJ/mol
3
Not Available
21st Energy Level
169,400.00 kJ/mol
3
Not Available
22nd Energy Level
182,700.00 kJ/mol
2
Not Available
23rd Energy Level
194,000.00 kJ/mol
2
Not Available
Electrochemical Equivalent
1.10 g/amp-hr
99+
3.07 g/amp-hr
16
Electron Work Function
5.15 eV
2
Not Available
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes
Ionization, Radioactive Isotopes
Atomic Properties
Atomic Number
28
99+
96
22
Electron Configuration
[Ar] 3d8 4s2 Or [Ar] 3d9 4s1
[Rn] 5f7 6d1 7s2
Crystal Structure
Face Centered Cubic (FCC)
Double Hexagonal Close Packed (DHCP)
Crystal Lattice
FCC-Crystal-Structure-of-Nickel.jpg#100
DHCP-Crystal-Structure-of-Curium.jpg#100
Atom
Number of Protons
28
99+
96
22
Number of Neutrons
31
99+
151
10
Number of Electrons
28
99+
96
22
Radius of an Atom
Atomic Radius
124.00 pm
99+
174.00 pm
20
Covalent Radius
124.00 pm
99+
169.00 pm
26
Van der Waals Radius
163.00 pm
40
200.00 pm
28
Atomic Weight
58.69 amu
99+
247.00 amu
18
Atomic Volume
6.59 cm3/mol
99+
18.28 cm3/mol
26
Adjacent Atomic Numbers
Valence Electron Potential
42.00 (-eV)
99+
44.50 (-eV)
38
Lattice Constant
352.40 pm
99+
Not Available
Lattice Angles
π/2, π/2, π/2
NA
Lattice C/A Ratio
Not Available
Not Available
Mechanical Properties
Density
Density At Room Temperature
8.91 g/cm3
99+
13.51 g/cm3
25
Density When Liquid (at m.p.)
7.81 g/cm3
29
13.85 g/cm3
10
Tensile Strength
345.00 MPa
11
Not Available
Viscosity
Not Available
Not Available
Vapor Pressure
Vapor Pressure at 1000 K
0.00 (Pa)
31
Not Available
Vapor Pressure at 2000 K
19.50 (Pa)
6
Not Available
Elasticity properties
Shear Modulus
76.00 GPa
12
Not Available
Bulk Modulus
180.00 GPa
9
Not Available
Young's Modulus
200.00 GPa
11
Not Available
Poisson Ratio
0.31
13
Not Available
Other Mechanical Properties
Ductile
Unknown
Magnetic Properties
Magnetic Characteristics
Specific Gravity
8.90
33
13.51
17
Magnetic Ordering
Ferromagnetic
Antiferromagnetic
Permeability
0.00 H/m
2
Not Available
Susceptibility
600.00
2
Not Available
Electrical Properties
Electrical Property
Conductor
Unknown
Resistivity
69.30 nΩ·m
39
1.25 nΩ·m
99+
Electrical Conductivity
0.14 106/cm Ω
13
Not Available
Electron Affinity
112.00 kJ/mol
6
Not Available
Thermal Properties
Specific Heat
0.44 J/(kg K)
13
Not Available
Molar Heat Capacity
26.07 J/mol·K
31
Not Available
Thermal Conductivity
90.90 W/m·K
18
Not Available
Critical Temperature
Not Available
Not Available
Thermal Expansion
13.40 µm/(m·K)
28
Not Available
Enthalpy
Enthalpy of Vaporization
371.80 kJ/mol
20
Not Available
Enthalpy of Fusion
17.57 kJ/mol
14
15.00 kJ/mol
21
Enthalpy of Atomization
422.60 kJ/mol
17
Not Available
Standard Molar Entropy
29.90 J/mol.K
99+
Not Available
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