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Bismuth Actinium Comparison


Actinium Bismuth comparison


Periodic Table

Symbol
Bi   
Ac   

Group Number
15   
3
Not Available   

Period Number
6   
7   

Block
p block   
f block   

Element Family
Post-​Transition   
Actinide   

CAS Number
7440699   
22
7440348   
99+

Space Group Name
C12/m1   
Fm_ 3m   

Space Group Number
12.00   
12
225.00   
2

Facts

Interesting Facts
  • Bismuth metal is soluble and reacts with concentrated nitric acid.
  • It oxides are used as a yellow pigment in paint. Bismuth chloride oxide BiClO gives a pearly texture to cosmetics.
  
Not Available   

Sources
Found in Minerals, Mining, Ores of Minerals   
Obtained by Treating Radium with Neutrons, Ores of metals   

History
  
  

Who Discovered
Claude François Geoffroy   
Friedrich Oskar Giesel   

Discovery
In 1753   
In 1902   

Abundance
  
  

Abundance In Universe
7 * 10-8 %   
25
Not Available   

Abundance In Sun
~0.000006 %   
14
~-9999 %   

Abundance In Meteorites
0.00 %   
99+
Not Available   

Abundance In Earth's Crust
0.00 %   
99+
Not Available   

Abundance In Oceans
0.00 %   
24
Not Available   

Uses

Uses & Benefits
  • Tin and bismuth alloys have a very low melting point and hence it is used in fire detector and the fire extinguishers. It also used in electric solders and fuses.
  
  • Actinium metal has a great source of alpha rays but it is hardly used outside research purpose.
  

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

Medical Uses
Pharmaceutical Industry   
NA   

Other Uses
Alloys   
Alloys, Nuclear Research, Research Purposes   

Biological Properties
  
  

Toxicity
Low Toxic   
Toxic   

Present in Human Body
Yes   
No   

In Blood
0.02 Blood/mg dm-3   
20
0.00 Blood/mg dm-3   
37

In Bone
0.20 p.p.m.   
22
0.00 p.p.m.   
36

Physical Properties

Melting Point
271.30 °C   
99+
1,227.00 °C   
38

Boiling Point
1,560.00 °C   
99+
3,200.00 °C   
26

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silver   
Silvery White   

Luster
Metallic   
NA   

Hardness
  
  

Mohs Hardness
2.25   
15
Not Available   

Brinell Hardness
70.00 MPa   
99+
Not Available   

Speed of Sound
1,790.00 m/s   
99+
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
Bi   
Ac   

Isotopes
  
  

Known Isotopes
33   
6
29   
10

Electronegativity
  
  

Pauling Electronegativity
2.02   
6
1.10   
99+

Sanderson Electronegativity
2.34   
3
Not Available   

Allred Rochow Electronegativity
1.67   
6
1.00   
36

Mulliken-Jaffe Electronegativity
2.15   
4
Not Available   

Allen Electronegativity
2.01   
4
Not Available   

Electropositivity
  
  

Pauling Electropositivity
1.98   
99+
2.90   
10

Ionization Energies
  
  

1st Energy Level
703.00 kJ/mol   
35
499.00 kJ/mol   
99+

2nd Energy Level
1,610.00 kJ/mol   
33
1,170.00 kJ/mol   
99+

3rd Energy Level
2,466.00 kJ/mol   
99+
1,900.00 kJ/mol   
99+

4th Energy Level
4,370.00 kJ/mol   
28
4,700.00 kJ/mol   
23

5th Energy Level
5,400.00 kJ/mol   
30
Not Available   

6th Energy Level
8,520.00 kJ/mol   
19
Not Available   

Electrochemical Equivalent
2.60 g/amp-hr   
19
2.82 g/amp-hr   
18

Electron Work Function
4.22 eV   
22
Not Available   

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

Atomic Properties

Atomic Number
83   
33
89   
29

Electron Configuration
[Xe] 4f14 5d10 6s2 6p3   
[Rn] 6d1 7s2   

Crystal Structure
Rhombohedral (RHO)   
Face Centered Cubic (FCC)   

Crystal Lattice
RHO-Crystal-Structure-of-Bismuth.jpg#100   
FCC-Crystal-Structure-of-Actinium.jpg#100   

Atom
  
  

Number of Protons
83   
33
89   
29

Number of Neutrons
126   
18
138   
16

Number of Electrons
83   
33
89   
29

Radius of an Atom
  
  

Atomic Radius
156.00 pm   
29
195.00 pm   
7

Covalent Radius
148.00 pm   
36
Not Available   

Van der Waals Radius
207.00 pm   
26
Not Available   

Atomic Weight
208.98 amu   
29
227.00 amu   
25

Atomic Volume
21.30 cm3/mol   
14
22.54 cm3/mol   
11

Adjacent Atomic Numbers
  
  

Previous Element
Lead
  
Radium
  

Next Element
Polonium
  
Thorium
  

Valence Electron Potential
41.90 (-eV)   
99+
38.60 (-eV)   
99+

Lattice Constant
667.40 pm   
2
567.00 pm   
8

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
9.78 g/cm3   
39
10.00 g/cm3   
37

Density When Liquid (at m.p.)
10.05 g/cm3   
18
Not Available   

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Elasticity properties
  
  

Shear Modulus
12.00 GPa   
99+
Not Available   

Bulk Modulus
31.00 GPa   
38
Not Available   

Young's Modulus
32.00 GPa   
99+
Not Available   

Poisson Ratio
0.33   
11
Not Available   

Other Mechanical Properties
NA   
NA   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
9.79   
30
10.07   
28

Magnetic Ordering
Diamagnetic   
Paramagnetic   

Permeability
0.00 H/m   
6
Not Available   

Susceptibility
0.00   
6
Not Available   

Electrical Properties
  
  

Electrical Property
Semiconductor   
Unknown   

Resistivity
1.29 nΩ·m   
99+
Not Available   

Electrical Conductivity
0.01 106/cm Ω   
99+
Not Available   

Electron Affinity
91.20 kJ/mol   
11
Not Available   

Thermal Properties

Specific Heat
0.12 J/(kg K)   
40
0.12 J/(kg K)   
40

Molar Heat Capacity
25.52 J/mol·K   
37
27.20 J/mol·K   
18

Thermal Conductivity
7.97 W/m·K   
99+
12.00 W/m·K   
99+

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
13.40 µm/(m·K)   
28
Not Available   

Enthalpy
  
  

Enthalpy of Vaporization
151.00 kJ/mol   
99+
Not Available   

Enthalpy of Fusion
10.90 kJ/mol   
33
Not Available   

Enthalpy of Atomization
207.10 kJ/mol   
99+
301.00 kJ/mol   
36

Standard Molar Entropy
56.70 J/mol.K   
24
56.50 J/mol.K   
25

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