Home
 Compare Metals

Protactinium vs Bismuth

Protactinium
Bismuth
Bismuth vs Protactinium


Periodic Table
Symbol
Pa  
Bi  
Group Number
3  
15
15  
3
Period Number
7  
6  
Block
f block  
p block  
Element Family
Actinide  
Post-​Transition  
CAS Number
7440133  
99+
7440699  
22
Space Group Name
I4/mmm  
C12/m1  
Space Group Number
139.00  
11
12.00  
15
Facts
Interesting Facts
  • Protactinium metal has 29 isotopes.
  • Isotopes of Protactinium-231 used in nuclear weapon.
  
  • 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.
  
Sources
Found in Uranium Ores, Mining, Ores of metals  
Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
William Crookes  
Claude François Geoffroy  
Discovery
In 1900  
In 1753  
Abundance
  
  
Abundance In Universe
0.00 %  
17
0.00 %  
26
Abundance In Sun
0.00 %  
26
0.00 %  
14
Abundance In Meteorites
-  
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
99+
0.00 %  
99+
Abundance In Oceans
0.00 %  
99+
0.00 %  
24
Abundance In Humans
0.00 %  
24
0.00 %  
24
Uses
Uses & Benefits
  • Currently known uses of Protactinium metal are limited to research purpose only.
  
  • 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.
  
Industrial Uses
-  
Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
Medical Uses
-  
Pharmaceutical Industry  
Other Uses
-  
Alloys  
Biological Properties
  
  
Toxicity
Highly Toxic  
Low Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
0.02 Blood/mg dm-3  
20
In Bone
0.00 p.p.m.  
99+
0.20 p.p.m.  
27
Physical
Melting Point
1,568.00 °C  
21
271.30 °C  
99+
Boiling Point
4,027.00 °C  
12
1,560.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silver  
Silver  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
5.00  
8
2.25  
16
Brinell Hardness
125.00 MPa  
99+
70.00 MPa  
99+
Vickers Hardness
220.00 MPa  
99+
30.00 MPa  
99+
Speed of Sound
12,400.00 m/s  
3
1,790.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.60  
33
2.50  
5
Reflectivity
60.00 %  
23
70.00 %  
13
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Pa  
Bi  
Isotopes
  
  
Known Isotopes
27  
12
33  
6
Electronegativity
  
  
Pauling Electronegativity
1.50  
28
2.02  
7
Sanderson Electronegativity
1.50  
18
2.34  
3
Allred Rochow Electronegativity
1.14  
29
1.67  
7
Mulliken-Jaffe Electronegativity
1.50  
26
2.15  
8
Allen Electronegativity
1.50  
32
2.01  
5
Electropositivity
  
  
Pauling Electropositivity
2.50  
27
1.98  
99+
Ionization Energies
  
  
1st Energy Level
568.00 kJ/mol  
99+
703.00 kJ/mol  
35
2nd Energy Level
1,128.00 kJ/mol  
99+
1,610.00 kJ/mol  
34
3rd Energy Level
1,814.00 kJ/mol  
99+
2,466.00 kJ/mol  
99+
4th Energy Level
2,991.00 kJ/mol  
99+
4,370.00 kJ/mol  
38
5th Energy Level
5,120.00 kJ/mol  
99+
5,400.00 kJ/mol  
99+
6th Energy Level
5,680.00 kJ/mol  
99+
8,520.00 kJ/mol  
29
7th Energy level
5,680.00 kJ/mol  
99+
7,030.00 kJ/mol  
99+
8th Energy Level
5,680.00 kJ/mol  
99+
7,030.00 kJ/mol  
37
9th Energy Level
5,120.00 kJ/mol  
99+
7,030.00 kJ/mol  
34
10th Energy Level
5,120.00 kJ/mol  
99+
7,030.00 kJ/mol  
38
11th Energy Level
5,680.00 kJ/mol  
99+
7,030.00 kJ/mol  
36
12th Energy Level
5,680.00 kJ/mol  
99+
7,030.00 kJ/mol  
99+
13th Energy Level
5,680.00 kJ/mol  
99+
7,030.00 kJ/mol  
32
14th Energy Level
5,680.00 kJ/mol  
99+
7,030.00 kJ/mol  
22
15th Energy Level
56,800.00 kJ/mol  
99+
70,300.00 kJ/mol  
28
16th Energy Level
56,800.00 kJ/mol  
99+
70,300.00 kJ/mol  
23
17th Energy Level
568.50 kJ/mol  
99+
703.00 kJ/mol  
99+
18th Energy Level
5,680.00 kJ/mol  
99+
7,030.00 kJ/mol  
34
19th Energy Level
568.30 kJ/mol  
99+
703.00 kJ/mol  
40
20th Energy Level
568.00 kJ/mol  
99+
703.00 kJ/mol  
34
21st Energy Level
568.00 kJ/mol  
99+
7,030.00 kJ/mol  
12
22nd Energy Level
568.00 kJ/mol  
99+
703.00 kJ/mol  
28
23rd Energy Level
568.00 kJ/mol  
99+
7,030.00 kJ/mol  
10
24th Energy Level
568.00 kJ/mol  
99+
703.00 kJ/mol  
27
25th Energy Level
568.00 kJ/mol  
99+
703.00 kJ/mol  
29
26th Energy Level
568.00 kJ/mol  
99+
703.00 kJ/mol  
28
27th Energy Level
568.00 kJ/mol  
99+
703.00 kJ/mol  
29
28th Energy Level
568.00 kJ/mol  
99+
703.00 kJ/mol  
34
29th Energy Level
568.00 kJ/mol  
99+
703.00 kJ/mol  
35
30th Energy Level
568.00 kJ/mol  
99+
703.00 kJ/mol  
29
Electrochemical Equivalent
1.72 g/amp-hr  
99+
2.60 g/amp-hr  
23
Electron Work Function
5.89 eV  
3
4.22 eV  
29
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Radioactive Isotopes, Solubility  
Atomic
Atomic Number
91  
27
83  
33
Electron Configuration
[Rn] 5f2 6d1 7s2  
[Xe] 4f14 5d10 6s2 6p3  
Crystal Structure
Tetragonal (TETR)  
Rhombohedral (RHO)  
Crystal Lattice
TETR-Crystal-Structure-of-Protactinium.jpg#100  
RHO-Crystal-Structure-of-Bismuth.jpg#100  
Atom
  
  
Number of Protons
91  
27
83  
33
Number of Neutrons
122  
22
126  
19
Number of Electrons
91  
27
83  
33
Radius of an Atom
  
  
Atomic Radius
163.00 pm  
27
156.00 pm  
31
Covalent Radius
200.00 pm  
11
148.00 pm  
38
Van der Waals Radius
243.00 pm  
15
207.00 pm  
33
Atomic Weight
231.04 amu  
24
208.98 amu  
29
Atomic Volume
15.00 cm3/mol  
99+
21.30 cm3/mol  
23
Adjacent Atomic Numbers
  
  
Previous Element
Thorium
  
Lead
  
Next Element
Uranium
  
Polonium
  
Valence Electron Potential
92.00 (-eV)  
11
41.90 (-eV)  
99+
Lattice Constant
392.50 pm  
26
667.40 pm  
2
Lattice Angles
π/2, π/2, π/2  
-  
Lattice C/A Ratio
1.58  
36
1.86  
4
Mechanical
Density
  
  
Density At Room Temperature
15.37 g/cm3  
20
9.78 g/cm3  
99+
Density When Liquid (at m.p.)
15.37 g/cm3  
21
10.05 g/cm3  
99+
Tensile Strength
80.00 MPa  
29
32.00 MPa  
99+
Viscosity
0.00  
25
0.00  
29
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
22
Vapor Pressure at 2000 K
0.00 (Pa)  
32
0.00 (Pa)  
24
Elasticity properties
  
  
Shear Modulus
16.00 GPa  
99+
12.00 GPa  
99+
Bulk Modulus
47.00 GPa  
26
31.00 GPa  
99+
Young's Modulus
47.00 GPa  
99+
32.00 GPa  
99+
Poisson Ratio
0.23  
30
0.33  
11
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
15.37  
23
9.79  
99+
Magnetic Ordering
Paramagnetic  
Diamagnetic  
Permeability
0.00 H/m  
10
0.00 H/m  
20
Susceptibility
0.00  
21
0.00  
36
Electrical Properties
  
  
Electrical Property
Conductor  
Semiconductor  
Resistivity
177.00 nΩ·m  
21
1.29 nΩ·m  
99+
Electrical Conductivity
0.05 106/cm Ω  
39
0.01 106/cm Ω  
99+
Electron Affinity
53.03 kJ/mol  
22
91.20 kJ/mol  
13
Thermal
Specific Heat
0.12 J/(kg K)  
99+
0.12 J/(kg K)  
99+
Molar Heat Capacity
27.20 J/mol·K  
24
25.52 J/mol·K  
99+
Thermal Conductivity
47.00 W/m·K  
32
7.97 W/m·K  
99+
Critical Temperature
1,841.00 K  
25
544.00 K  
99+
Thermal Expansion
9.90 µm/(m·K)  
99+
13.40 µm/(m·K)  
34
Enthalpy
  
  
Enthalpy of Vaporization
481.00 kJ/mol  
17
151.00 kJ/mol  
99+
Enthalpy of Fusion
12.34 kJ/mol  
34
10.90 kJ/mol  
39
Enthalpy of Atomization
481.90 kJ/mol  
19
207.10 kJ/mol  
99+
Standard Molar Entropy
198.10 J/mol.K  
1
56.70 J/mol.K  
32
Periodic Table >>
<< All

Compare Actinide Series

Actinide Series

Actinide Series

» More Actinide Series

Compare Actinide Series

» More Compare Actinide Series
Home | About | Contact | Disclaimer | Terms of use
© A softusvista inc. venture!