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Radium vs Titanium

Radium
Titanium
Titanium vs Radium


Periodic Table
Symbol
Ra   
Ti   
Group Number
2   
16
4   
14
Period Number
7   
4   
Block
s block   
d block   
Element Family
Alkaline Earth   
Transition Metal   
CAS Number
7440144   
99+
7440326   
99+
Space Group Name
Im_ 3m   
P63/mmc   
Space Group Number
229.00   
1
194.00   
5
Facts
Interesting Facts
  • Radium metal is the heaviest metal of Alkaline earth metals column.
  • Radium metal is highly radioactive and does not have any stable isotopes.
  
  • The only metal which burns in Nitrogen is Titanium.
  • Titanium is also known as corrosion resistant metal.
  
Sources
Mining, Ores of metals   
Found in Minerals, Mining   
History
  
  
Who Discovered
Not Available   
W. Gregor & J. Berzelius   
Discovery
In 1898   
In 1791   
Abundance
  
  
Abundance In Universe
Not Available   
3 * 10-4 %   
9
Abundance In Sun
~-9999 %   
~0.0004 %   
9
Abundance In Meteorites
Not Available   
0.05 %   
11
Abundance In Earth's Crust
0.00 %   
99+
0.66 %   
7
Abundance In Oceans
0.00 %   
99+
0.00 %   
15
Abundance In Humans
0.00 %   
20
Not Available   
Uses
Uses & Benefits
  • It is a highly radioactive metal; and sometime Radium-223 is used to treat prostate cancer.
  • It is used in luminous paints.
  
  • 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
NA   
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry   
Medical Uses
Pharmaceutical Industry   
Dentistry, Surgical Instruments Manufacturing   
Other Uses
NA   
Alloys, Jewellery, Sculptures, Statues   
Biological Properties
  
  
Toxicity
Highly Toxic   
Non Toxic   
Present in Human Body
No   
Yes   
In Blood
Not Available   
0.05 Blood/mg dm-3   
16
Physical Properties
Melting Point
700.00 °C   
99+
1,660.00 °C   
18
Boiling Point
1,737.00 °C   
99+
3,287.00 °C   
22
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silvery Gray-White   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
Not Available   
6.00   
6
Brinell Hardness
Not Available   
716.00 MPa   
15
Vickers Hardness
Not Available   
830.00 MPa   
14
Speed of Sound
Not Available   
5,090.00 m/s   
9
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
Ra   
Ti   
Isotopes
  
  
Known Isotopes
33   
6
23   
16
Electronegativity
  
  
Pauling Electronegativity
0.90   
99+
1.54   
26
Sanderson Electronegativity
Not Available   
1.09   
20
Allred Rochow Electronegativity
0.97   
38
1.32   
23
Mulliken-Jaffe Electronegativity
0.92   
20
Not Available   
Allen Electronegativity
0.89   
99+
1.38   
32
Electropositivity
  
  
Pauling Electropositivity
3.10   
5
2.46   
28
Ionization Energies
  
  
1st Energy Level
509.30 kJ/mol   
99+
658.80 kJ/mol   
39
2nd Energy Level
979.00 kJ/mol   
99+
1,309.80 kJ/mol   
99+
3rd Energy Level
Not Available   
2,652.50 kJ/mol   
99+
4th Energy Level
Not Available   
4,174.60 kJ/mol   
32
5th Energy Level
Not Available   
9,581.00 kJ/mol   
5
6th Energy Level
Not Available   
11,533.00 kJ/mol   
6
7th Energy level
Not Available   
13,590.00 kJ/mol   
6
8th Energy Level
Not Available   
16,440.00 kJ/mol   
8
9th Energy Level
Not Available   
18,530.00 kJ/mol   
11
10th Energy Level
Not Available   
20,833.00 kJ/mol   
15
11th Energy Level
Not Available   
25,575.00 kJ/mol   
14
12th Energy Level
Not Available   
28,125.00 kJ/mol   
14
13th Energy Level
Not Available   
76,015.00 kJ/mol   
1
14th Energy Level
Not Available   
83,280.00 kJ/mol   
2
15th Energy Level
Not Available   
90,880.00 kJ/mol   
3
16th Energy Level
Not Available   
100,700.00 kJ/mol   
4
17th Energy Level
Not Available   
109,100.00 kJ/mol   
5
18th Energy Level
Not Available   
117,800.00 kJ/mol   
6
19th Energy Level
Not Available   
129,900.00 kJ/mol   
7
20th Energy Level
Not Available   
137,530.00 kJ/mol   
9
Electrochemical Equivalent
4.22 g/amp-hr   
6
0.45 g/amp-hr   
99+
Electron Work Function
Not Available   
4.33 eV   
17
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Chemical Stability, Ionization   
Atomic Properties
Atomic Number
88   
30
22   
99+
Electron Configuration
[Rn] 7s2   
[Ar] 3d2 4s2   
Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Titanium.jpg#100   
Atom
  
  
Number of Protons
88   
30
22   
99+
Number of Neutrons
138   
16
26   
99+
Number of Electrons
88   
30
22   
99+
Radius of an Atom
  
  
Atomic Radius
Not Available   
147.00 pm   
34
Covalent Radius
221.00 pm   
3
160.00 pm   
30
Van der Waals Radius
283.00 pm   
4
200.00 pm   
28
Atomic Weight
226.00 amu   
26
47.87 amu   
99+
Atomic Volume
45.20 cm3/mol   
4
10.64 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Francium
  
Scandium
  
Next Element
Actinium
  
Vanadium
  
Valence Electron Potential
20.10 (-eV)   
99+
95.20 (-eV)   
10
Lattice Constant
514.80 pm   
13
295.08 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
5.50 g/cm3   
99+
4.51 g/cm3   
99+
Density When Liquid (at m.p.)
Not Available   
4.11 g/cm3   
99+
Tensile Strength
Not Available   
434.00 MPa   
9
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 2000 K
Not Available   
0.98 (Pa)   
14
Elasticity properties
  
  
Shear Modulus
Not Available   
44.00 GPa   
17
Bulk Modulus
Not Available   
110.00 GPa   
15
Young's Modulus
Not Available   
116.00 GPa   
18
Poisson Ratio
Not Available   
0.32   
12
Other Mechanical Properties
NA   
Ductile   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
5.00   
99+
4.51   
99+
Magnetic Ordering
Nonmagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
NA   
Poor Conductor   
Resistivity
100.00 nΩ·m   
31
420.00 nΩ·m   
12
Electrical Conductivity
Not Available   
0.02 106/cm Ω   
99+
Electron Affinity
Not Available   
7.60 kJ/mol   
37
Thermal Properties
Specific Heat
0.12 J/(kg K)   
40
0.52 J/(kg K)   
9
Molar Heat Capacity
Not Available   
25.06 J/mol·K   
99+
Thermal Conductivity
18.60 W/m·K   
99+
21.90 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
Not Available   
8.60 µm/(m·K)   
99+
Enthalpy
  
  
Enthalpy of Vaporization
Not Available   
429.00 kJ/mol   
15
Enthalpy of Fusion
Not Available   
15.48 kJ/mol   
19
Enthalpy of Atomization
163.00 kJ/mol   
99+
468.60 kJ/mol   
15
Standard Molar Entropy
71.00 J/mol.K   
14
27.30 J/mol.K   
99+
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