Titanium vs Actinium
Periodic Table
Symbol
Ti
Ac
Group Number
4
14
Not Available
Period Number
4
7
Block
d block
f block
Element Family
Transition Metal
Actinide
CAS Number
7440326
99+
7440348
99+
Space Group Name
P63/mmc
Fm_ 3m
Space Group Number
194.00
5
225.00
2
Facts
Interesting Facts
- The only metal which burns in Nitrogen is Titanium.
- Titanium is also known as corrosion resistant metal.
Not Available
Sources
Found in Minerals, Mining
Obtained by Treating Radium with Neutrons, Ores of metals
History
Who Discovered
W. Gregor & J. Berzelius
Friedrich Oskar Giesel
Discovery
In 1791
In 1902
Abundance
Abundance In Universe
3 * 10-4 %
9
Not Available
Abundance In Sun
~0.0004 %
9
~-9999 %
Abundance In Meteorites
0.05 %
11
Not Available
Abundance In Earth's Crust
0.66 %
7
Not Available
Abundance In Oceans
0.00 %
15
Not Available
Uses
Uses & Benefits
- Its alloys are used in spacecraft, aircraft and ammunition industry.
- Its pipes are used in distillation plants, submarines, hulls of big ships, etc.
- Actinium metal has a great source of alpha rays but it is hardly used outside research purpose.
Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
NA
Medical Uses
Dentistry, Surgical Instruments Manufacturing
NA
Other Uses
Alloys, Jewellery, Sculptures, Statues
Alloys, Nuclear Research, Research Purposes
Biological Properties
Toxicity
Non Toxic
Toxic
Present in Human Body
Yes
No
In Blood
0.05 Blood/mg dm-3
16
0.00 Blood/mg dm-3
37
In Bone
Not Available
0.00 p.p.m.
36
Physical Properties
Melting Point
1,660.00 °C
18
1,227.00 °C
38
Boiling Point
3,287.00 °C
22
3,200.00 °C
26
Appearance
Physical State
Solid
Solid
Color
Silvery Gray-White
Silvery White
Luster
Metallic
NA
Hardness
Mohs Hardness
6.00
6
Not Available
Brinell Hardness
716.00 MPa
15
Not Available
Vickers Hardness
830.00 MPa
14
Not Available
Speed of Sound
5,090.00 m/s
9
Not Available
Optical Properties
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
Ti
Ac
Isotopes
Known Isotopes
23
16
29
10
Electronegativity
Pauling Electronegativity
1.54
26
1.10
99+
Sanderson Electronegativity
1.09
20
Not Available
Allred Rochow Electronegativity
1.32
23
1.00
36
Allen Electronegativity
1.38
32
Not Available
Electropositivity
Pauling Electropositivity
2.46
28
2.90
10
Ionization Energies
1st Energy Level
658.80 kJ/mol
39
499.00 kJ/mol
99+
2nd Energy Level
1,309.80 kJ/mol
99+
1,170.00 kJ/mol
99+
3rd Energy Level
2,652.50 kJ/mol
99+
1,900.00 kJ/mol
99+
4th Energy Level
4,174.60 kJ/mol
32
4,700.00 kJ/mol
23
5th Energy Level
9,581.00 kJ/mol
5
Not Available
6th Energy Level
11,533.00 kJ/mol
6
Not Available
7th Energy level
13,590.00 kJ/mol
6
Not Available
8th Energy Level
16,440.00 kJ/mol
8
Not Available
9th Energy Level
18,530.00 kJ/mol
11
Not Available
10th Energy Level
20,833.00 kJ/mol
15
Not Available
11th Energy Level
25,575.00 kJ/mol
14
Not Available
12th Energy Level
28,125.00 kJ/mol
14
Not Available
13th Energy Level
76,015.00 kJ/mol
1
Not Available
14th Energy Level
83,280.00 kJ/mol
2
Not Available
15th Energy Level
90,880.00 kJ/mol
3
Not Available
16th Energy Level
100,700.00 kJ/mol
4
Not Available
17th Energy Level
109,100.00 kJ/mol
5
Not Available
18th Energy Level
117,800.00 kJ/mol
6
Not Available
19th Energy Level
129,900.00 kJ/mol
7
Not Available
20th Energy Level
137,530.00 kJ/mol
9
Not Available
Electrochemical Equivalent
0.45 g/amp-hr
99+
2.82 g/amp-hr
18
Electron Work Function
4.33 eV
17
Not Available
Other Chemical Properties
Chemical Stability, Ionization
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Atomic Properties
Atomic Number
22
99+
89
29
Electron Configuration
[Ar] 3d2 4s2
[Rn] 6d1 7s2
Crystal Structure
Hexagonal Close Packed (HCP)
Face Centered Cubic (FCC)
Crystal Lattice
HCP-Crystal-Structure-of-Titanium.jpg#100
FCC-Crystal-Structure-of-Actinium.jpg#100
Atom
Number of Protons
22
99+
89
29
Number of Neutrons
26
99+
138
16
Number of Electrons
22
99+
89
29
Radius of an Atom
Atomic Radius
147.00 pm
34
195.00 pm
7
Covalent Radius
160.00 pm
30
Not Available
Van der Waals Radius
200.00 pm
28
Not Available
Atomic Weight
47.87 amu
99+
227.00 amu
25
Atomic Volume
10.64 cm3/mol
99+
22.54 cm3/mol
11
Adjacent Atomic Numbers
Valence Electron Potential
95.20 (-eV)
10
38.60 (-eV)
99+
Lattice Constant
295.08 pm
99+
567.00 pm
8
Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Lattice C/A Ratio
Not Available
Not Available
Mechanical Properties
Density
Density At Room Temperature
4.51 g/cm3
99+
10.00 g/cm3
37
Density When Liquid (at m.p.)
4.11 g/cm3
99+
Not Available
Tensile Strength
434.00 MPa
9
Not Available
Viscosity
Not Available
Not Available
Vapor Pressure
Vapor Pressure at 2000 K
0.98 (Pa)
14
Not Available
Elasticity properties
Shear Modulus
44.00 GPa
17
Not Available
Bulk Modulus
110.00 GPa
15
Not Available
Young's Modulus
116.00 GPa
18
Not Available
Poisson Ratio
0.32
12
Not Available
Other Mechanical Properties
Ductile
NA
Magnetic Properties
Magnetic Characteristics
Specific Gravity
4.51
99+
10.07
28
Magnetic Ordering
Paramagnetic
Paramagnetic
Electrical Properties
Electrical Property
Poor Conductor
Unknown
Resistivity
420.00 nΩ·m
12
Not Available
Electrical Conductivity
0.02 106/cm Ω
99+
Not Available
Electron Affinity
7.60 kJ/mol
37
Not Available
Thermal Properties
Specific Heat
0.52 J/(kg K)
9
0.12 J/(kg K)
40
Molar Heat Capacity
25.06 J/mol·K
99+
27.20 J/mol·K
18
Thermal Conductivity
21.90 W/m·K
99+
12.00 W/m·K
99+
Critical Temperature
Not Available
Not Available
Thermal Expansion
8.60 µm/(m·K)
99+
Not Available
Enthalpy
Enthalpy of Vaporization
429.00 kJ/mol
15
Not Available
Enthalpy of Fusion
15.48 kJ/mol
19
Not Available
Enthalpy of Atomization
468.60 kJ/mol
15
301.00 kJ/mol
36
Standard Molar Entropy
27.30 J/mol.K
99+
56.50 J/mol.K
25
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