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Curium vs Titanium

Curium
Titanium
Titanium vs Curium


Periodic Table
Symbol
Cm  
Ti  
Group Number
3  
15
4  
14
Period Number
7  
4  
Block
f block  
d block  
Element Family
Actinide  
Transition Metal  
CAS Number
7440519  
36
7440326  
99+
Space Group Name
-  
P63/mmc  
Space Group Number
225.00  
3
194.00  
7
Facts
Interesting Facts
  • Curium metal does not occur free in nature.
  • Curium metal is a synthetically produced metal.
  
  • The only metal which burns in Nitrogen is Titanium.
  • Titanium is also known as corrosion resistant metal.
  
Sources
Bombarding Plutonium with Helium Ions  
Found in Minerals, Mining  
History
  
  
Who Discovered
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso  
W. Gregor & J. Berzelius  
Discovery
In 1944  
In 1791  
Abundance
  
  
Abundance In Universe
0.00 %  
35
0.00 %  
10
Abundance In Sun
0.00 %  
30
0.00 %  
9
Abundance In Meteorites
0.00 %  
99+
0.05 %  
11
Abundance In Earth's Crust
0.00 %  
99+
0.66 %  
7
Abundance In Oceans
-  
0.00 %  
15
Abundance In Humans
0.00 %  
24
0.57 %  
2
Uses
Uses & Benefits
  • Curium metal is used to provide power to electrical equipment for space missions.
  
  • Its alloys are used in spacecraft, aircraft and ammunition industry.
  • Its pipes are used in distillation plants, submarines, hulls of big ships, etc.
  
Industrial Uses
-  
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
Medical Uses
-  
Dentistry, Surgical Instruments Manufacturing  
Other Uses
Research Purposes  
Alloys, Jewellery, Sculptures, Statues  
Biological Properties
  
  
Toxicity
-  
Non Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
0.05 Blood/mg dm-3  
16
In Bone
0.00 p.p.m.  
99+
0.60 p.p.m.  
21
Physical
Melting Point
1,340.00 °C  
34
1,660.00 °C  
18
Boiling Point
3,110.00 °C  
31
3,287.00 °C  
23
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silver  
Silvery Gray-White  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
2.00  
17
6.00  
6
Brinell Hardness
320.00 MPa  
40
716.00 MPa  
16
Vickers Hardness
461.00 MPa  
37
830.00 MPa  
21
Speed of Sound
2,260.00 m/s  
99+
5,090.00 m/s  
13
Optical Properties
  
  
Refractive Index
1.30  
99+
2.40  
7
Reflectivity
60.00 %  
23
56.00 %  
26
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Cm  
Ti  
Isotopes
  
  
Known Isotopes
15  
24
23  
16
Electronegativity
  
  
Pauling Electronegativity
1.30  
33
1.54  
27
Sanderson Electronegativity
1.30  
25
1.09  
39
Allred Rochow Electronegativity
1.20  
28
1.32  
24
Mulliken-Jaffe Electronegativity
1.30  
33
1.54  
24
Allen Electronegativity
1.30  
40
1.38  
36
Electropositivity
  
  
Pauling Electropositivity
2.70  
22
2.46  
28
Ionization Energies
  
  
1st Energy Level
581.00 kJ/mol  
99+
658.80 kJ/mol  
39
2nd Energy Level
1,196.00 kJ/mol  
99+
1,309.80 kJ/mol  
99+
3rd Energy Level
2,026.00 kJ/mol  
99+
2,652.50 kJ/mol  
99+
4th Energy Level
3,550.00 kJ/mol  
99+
4,174.60 kJ/mol  
99+
5th Energy Level
5,810.00 kJ/mol  
99+
9,581.00 kJ/mol  
5
6th Energy Level
5,810.00 kJ/mol  
99+
11,533.00 kJ/mol  
8
7th Energy level
5,810.00 kJ/mol  
99+
13,590.00 kJ/mol  
6
8th Energy Level
5,810.00 kJ/mol  
99+
16,440.00 kJ/mol  
8
9th Energy Level
6,690.00 kJ/mol  
37
18,530.00 kJ/mol  
11
10th Energy Level
5,810.00 kJ/mol  
99+
20,833.00 kJ/mol  
15
11th Energy Level
5,810.00 kJ/mol  
99+
25,575.00 kJ/mol  
14
12th Energy Level
58,100.00 kJ/mol  
19
28,125.00 kJ/mol  
37
13th Energy Level
5,810.00 kJ/mol  
99+
76,015.00 kJ/mol  
1
14th Energy Level
5,810.00 kJ/mol  
40
83,280.00 kJ/mol  
2
15th Energy Level
58,100.00 kJ/mol  
99+
90,880.00 kJ/mol  
4
16th Energy Level
58,100.00 kJ/mol  
99+
100,700.00 kJ/mol  
4
17th Energy Level
581.00 kJ/mol  
99+
109,100.00 kJ/mol  
5
18th Energy Level
5,810.00 kJ/mol  
99+
117,800.00 kJ/mol  
6
19th Energy Level
581.00 kJ/mol  
99+
129,900.00 kJ/mol  
7
20th Energy Level
581.00 kJ/mol  
99+
137,530.00 kJ/mol  
9
21st Energy Level
5,810.00 kJ/mol  
20
658.80 kJ/mol  
99+
22nd Energy Level
581.00 kJ/mol  
99+
658.00 kJ/mol  
31
23rd Energy Level
5,810.00 kJ/mol  
20
658.80 kJ/mol  
99+
24th Energy Level
581.00 kJ/mol  
99+
658.80 kJ/mol  
30
25th Energy Level
581.00 kJ/mol  
99+
658.80 kJ/mol  
32
26th Energy Level
581.00 kJ/mol  
99+
658.80 kJ/mol  
31
27th Energy Level
581.00 kJ/mol  
99+
658.80 kJ/mol  
32
28th Energy Level
581.00 kJ/mol  
99+
658.80 kJ/mol  
37
29th Energy Level
581.00 kJ/mol  
99+
658.80 kJ/mol  
38
30th Energy Level
581.00 kJ/mol  
99+
658.80 kJ/mol  
34
Electrochemical Equivalent
3.07 g/amp-hr  
19
0.45 g/amp-hr  
99+
Electron Work Function
4.50 eV  
19
4.33 eV  
24
Other Chemical Properties
Ionization, Radioactive Isotopes  
Chemical Stability, Ionization  
Atomic
Atomic Number
96  
22
22  
99+
Electron Configuration
[Rn] 5f7 6d1 7s2  
[Ar] 3d2 4s2  
Crystal Structure
Double Hexagonal Close Packed (DHCP)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
DHCP-Crystal-Structure-of-Curium.jpg#100  
HCP-Crystal-Structure-of-Titanium.jpg#100  
Atom
  
  
Number of Protons
96  
22
22  
99+
Number of Neutrons
151  
11
26  
99+
Number of Electrons
96  
22
22  
99+
Radius of an Atom
  
  
Atomic Radius
174.00 pm  
22
147.00 pm  
36
Covalent Radius
169.00 pm  
28
160.00 pm  
32
Van der Waals Radius
200.00 pm  
35
200.00 pm  
35
Atomic Weight
247.00 amu  
18
47.87 amu  
99+
Atomic Volume
18.28 cm3/mol  
38
10.64 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Americium
  
Scandium
  
Next Element
Berkelium
  
Vanadium
  
Valence Electron Potential
44.50 (-eV)  
39
95.20 (-eV)  
10
Lattice Constant
336.25 pm  
99+
295.08 pm  
99+
Lattice Angles
-  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.67  
11
1.59  
30
Mechanical
Density
  
  
Density At Room Temperature
13.51 g/cm3  
26
4.51 g/cm3  
99+
Density When Liquid (at m.p.)
13.85 g/cm3  
25
4.11 g/cm3  
99+
Tensile Strength
350.00 MPa  
12
434.00 MPa  
10
Viscosity
0.00  
25
0.00  
22
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
24
0.98 (Pa)  
14
Elasticity properties
  
  
Shear Modulus
32.00 GPa  
24
44.00 GPa  
17
Bulk Modulus
40.00 GPa  
38
110.00 GPa  
15
Young's Modulus
0.00 GPa  
99+
116.00 GPa  
20
Poisson Ratio
0.35  
9
0.32  
12
Other Mechanical Properties
-  
Ductile  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
13.51  
28
4.51  
99+
Magnetic Ordering
Antiferromagnetic  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
Poor Conductor  
Resistivity
1.25 nΩ·m  
99+
420.00 nΩ·m  
12
Electrical Conductivity
0.13 106/cm Ω  
19
0.02 106/cm Ω  
99+
Electron Affinity
0.00 kJ/mol  
99+
7.60 kJ/mol  
99+
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.52 J/(kg K)  
9
Molar Heat Capacity
27.50 J/mol·K  
21
25.06 J/mol·K  
99+
Thermal Conductivity
11.00 W/m·K  
99+
21.90 W/m·K  
99+
Critical Temperature
1,340.00 K  
99+
1,941.00 K  
21
Thermal Expansion
11.60 µm/(m·K)  
99+
8.60 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
331.60 kJ/mol  
40
429.00 kJ/mol  
20
Enthalpy of Fusion
15.00 kJ/mol  
22
15.48 kJ/mol  
19
Enthalpy of Atomization
-  
468.60 kJ/mol  
20
Standard Molar Entropy
52.50 J/mol.K  
36
27.30 J/mol.K  
99+
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