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Francium Aluminium Comparison


Aluminium Francium comparison


Periodic Table

Symbol
Fr   
Al   

Group Number
1   
17
13   
5

Period Number
7   
3   

Block
s block   
p block   

Element Family
Alkali   
Post-​Transition   

CAS Number
7440735   
18
7429905   
99+

Space Group Name
Not Available   
Fm_ 3m   

Space Group Number
Not Available   
225.00   
2

Facts

Interesting Facts
  • 223 Francium has the longest half life at 21.8.
  • Francium metal is produced by alpha decay in 227Actinium 227.
  
  • Aluminum’s abundance percentage is more as it is found in more than 260 minerals.
  • Pure Aluminum always reacts with oxygen rapidly.
  • It is a good conductor of heat and electricity and used in transmission lines.
  

Sources
Formed by Decay Process, Mining   
By Electrolysis Process, Earth's crust, Mining   

History
  
  

Who Discovered
Marguerite Perey   
Hans Christian Oersted   

Discovery
In 1939   
In 1825   

Abundance
  
  

Abundance In Universe
Not Available   
5 * 10-3 %   
5

Abundance In Sun
~-9999 %   
~0.006 %   
5

Abundance In Meteorites
Not Available   
0.91 %   
5

Abundance In Earth's Crust
Not Available   
8.10 %   
1

Abundance In Oceans
Not Available   
0.00 %   
6

Abundance In Humans
Not Available   
0.00 %   
10

Uses

Uses & Benefits
  • Francium has no known uses as it has a half life of only 22 minutes.
  
  • Aluminum is used in a various products; for example, cans, foils, kitchen utensils, window frames, beer kegs and aero plane parts, automobile parts, etc.
  

Industrial Uses
NA   
Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry   

Medical Uses
NA   
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing   

Other Uses
NA   
Alloys, Jewellery, Sculptures, Statues   

Biological Properties
  
  

Toxicity
NA   
Non Toxic   

Present in Human Body
No   
Yes   

In Blood
0.00 Blood/mg dm-3   
37
0.39 Blood/mg dm-3   
9

In Bone
0.00 p.p.m.   
36
27.00 p.p.m.   
11

Physical Properties

Melting Point
27.00 °C   
99+
660.37 °C   
99+

Boiling Point
677.00 °C   
99+
2,467.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
NA   
Silvery Gray   

Luster
NA   
Metallic   

Hardness
  
  

Mohs Hardness
Not Available   
2.75   
13

Brinell Hardness
Not Available   
160.00 MPa   
99+

Vickers Hardness
Not Available   
160.00 MPa   
35

Speed of Sound
Not Available   
5,000.00 m/s   
10

Optical Properties
  
  

Reflectivity
Not Available   
71.00 %   
10

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
Fr   
Al   

Isotopes
  
  

Known Isotopes
33   
6
11   
27

Electronegativity
  
  

Pauling Electronegativity
0.70   
99+
1.61   
22

Sanderson Electronegativity
Not Available   
1.71   
13

Allred Rochow Electronegativity
0.86   
99+
1.47   
14

Mulliken-Jaffe Electronegativity
0.68   
25
1.83   
8

Allen Electronegativity
0.67   
99+
1.61   
20

Electropositivity
  
  

Pauling Electropositivity
3.30   
1
2.39   
32

Ionization Energies
  
  

1st Energy Level
380.00 kJ/mol   
99+
577.50 kJ/mol   
99+

2nd Energy Level
Not Available   
1,816.70 kJ/mol   
19

3rd Energy Level
Not Available   
2,744.80 kJ/mol   
38

4th Energy Level
Not Available   
11,577.00 kJ/mol   
3

5th Energy Level
Not Available   
14,842.00 kJ/mol   
2

6th Energy Level
Not Available   
18,379.00 kJ/mol   
2

7th Energy level
Not Available   
23,326.00 kJ/mol   
2

8th Energy Level
Not Available   
27,465.00 kJ/mol   
2

9th Energy Level
Not Available   
31,853.00 kJ/mol   
2

10th Energy Level
Not Available   
38,473.00 kJ/mol   
4

11th Energy Level
Not Available   
42,647.00 kJ/mol   
5

Electrochemical Equivalent
8.32 g/amp-hr   
1
0.34 g/amp-hr   
99+

Electron Work Function
Not Available   
4.28 eV   
19

Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Chemical Stability, Ionization, Radioactive Isotopes   

Atomic Properties

Atomic Number
87   
31
13   
99+

Electron Configuration
[Rn] 7s1   
[Ne] 3s2 3p1   

Crystal Structure
Body Centered Cubic (BCC)   
Face Centered Cubic (FCC)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Aluminium.jpg#100   

Atom
  
  

Number of Protons
87   
31
13   
99+

Number of Neutrons
136   
17
14   
99+

Number of Electrons
87   
31
13   
99+

Radius of an Atom
  
  

Atomic Radius
Not Available   
143.00 pm   
37

Covalent Radius
260.00 pm   
1
121.00 pm   
99+

Van der Waals Radius
348.00 pm   
1
184.00 pm   
34

Atomic Weight
223.00 amu   
27
26.98 amu   
99+

Atomic Volume
Not Available   
10.00 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Polonium
  
Magnesium
  

Next Element
Radium
  
Potassium
  

Valence Electron Potential
8.00 (-eV)   
99+
80.70 (-eV)   
17

Lattice Constant
Not Available   
404.95 pm   
22

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
1.87 g/cm3   
99+
2.70 g/cm3   
99+

Density When Liquid (at m.p.)
Not Available   
2.38 g/cm3   
99+

Tensile Strength
Not Available   
40.00 MPa   
19

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
18

Elasticity properties
  
  

Shear Modulus
Not Available   
26.00 GPa   
29

Bulk Modulus
Not Available   
76.00 GPa   
18

Young's Modulus
Not Available   
70.00 GPa   
28

Poisson Ratio
Not Available   
0.35   
9

Other Mechanical Properties
NA   
Ductile, Malleable   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
Not Available   
2.72   
99+

Magnetic Ordering
Paramagnetic   
Paramagnetic   

Permeability
Not Available   
0.00 H/m   
4

Susceptibility
Not Available   
0.00   
3

Electrical Properties
  
  

Electrical Property
Poor Conductor   
Conductor   

Resistivity
3.00 nΩ·m   
99+
28.20 nΩ·m   
99+

Electrical Conductivity
0.03 106/cm Ω   
40
0.38 106/cm Ω   
4

Electron Affinity
Not Available   
42.50 kJ/mol   
26

Thermal Properties

Specific Heat
Not Available   
0.90 J/(kg K)   
5

Molar Heat Capacity
Not Available   
24.20 J/mol·K   
99+

Thermal Conductivity
15.00 W/m·K   
99+
237.00 W/m·K   
4

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
Not Available   
23.10 µm/(m·K)   
17

Enthalpy
  
  

Enthalpy of Vaporization
Not Available   
293.70 kJ/mol   
31

Enthalpy of Fusion
Not Available   
10.67 kJ/mol   
35

Enthalpy of Atomization
71.00 kJ/mol   
99+
322.20 kJ/mol   
31

Standard Molar Entropy
Not Available   
28.30 J/mol.K   
99+

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