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Properties of Americium and Bismuth

Americium
Bismuth
Properties of Bismuth & Americium


Physical Properties
Melting Point
994.00 °C   
99+
271.30 °C   
99+
Boiling Point
2,607.00 °C   
99+
1,560.00 °C   
99+
Hardness
  
  
Mohs Hardness
Not Available   
2.25   
15
Brinell Hardness
Not Available   
70.00 MPa   
99+
Vickers Hardness
Not Available   
Not Available   
Optical Properties
  
  
Refractive Index
Not Available   
Not Available   
Reflectivity
Not Available   
Not Available   
Speed of Sound
Not Available   
1,790.00 m/s   
99+
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
Am   
Bi   
Isotopes
  
  
Known Isotopes
16   
23
33   
6
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
2.02   
6
Sanderson Electronegativity
Not Available   
2.34   
3
Allred Rochow Electronegativity
1.20   
27
1.67   
6
Mulliken-Jaffe Electronegativity
Not Available   
2.15   
4
Allen Electronegativity
Not Available   
2.01   
4
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
1.98   
99+
Ionization Energies
  
  
1st Energy Level
578.00 kJ/mol   
99+
703.00 kJ/mol   
35
2nd Energy Level
1,158.00 kJ/mol   
99+
1,610.00 kJ/mol   
33
3rd Energy Level
2,132.00 kJ/mol   
99+
2,466.00 kJ/mol   
99+
Electrochemical Equivalent
3.02 g/amp-hr   
17
2.60 g/amp-hr   
19
Electron Work Function
Not Available   
4.22 eV   
22
Other Chemical Properties
?
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization, 
?
Radioactive metals emit particles and radiation from their nuclei. This process comes in the picture because their nuclei experience the intense conflict between two strong forces. This metal also have radioactive isotopes.Radioactive Isotopes, 
?
Radioactive metals emit particles and radiation from their nuclei. This process comes in the picture because their nuclei experience the intense conflict between two strong forces.Radioactivity, 
?
Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.Solubility   
?
Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization, 
?
Radioactive metals emit particles and radiation from their nuclei. This process comes in the picture because their nuclei experience the intense conflict between two strong forces. This metal also have radioactive isotopes.Radioactive Isotopes, 
?
Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.Solubility   
Mechanical Properties
Density
  
  
Density At Room Temperature
12.00 g/cm3   
30
9.78 g/cm3   
39
Density When Liquid (at m.p.)
Not Available   
10.05 g/cm3   
18
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
13
Not Available   
Vapor Pressure at 2000 K
Not Available   
Not Available   
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Elasticity properties
  
  
Shear Modulus
Not Available   
12.00 GPa   
99+
Bulk Modulus
Not Available   
31.00 GPa   
38
Young's Modulus
Not Available   
32.00 GPa   
99+
Poisson Ratio
Not Available   
0.33   
11
Other Mechanical Properties
NA   
NA   
Periodic Table
Symbol
Am   
Bi   
Group Number
Not Available   
15   
3
Period Number
7   
6   
Block
?
The f-block is in the center-left of a 32-column periodic table but in the footnoted appendage of 18-column tables. These elements are not generally considered as part of any group. They are often called inner transition metals.f block   
?
The p-block is on the right side of the periodic table and includes elements from the six columns beginning with column 13 and ending with column 18. Helium, though being in the top of group 18, is not included in the p-block.p block   
Element Family
?
Total 15 metals are included in actinide series, from Actinium to Lawrencium. Actinide series is located under f and d block of the periodic table.Actinide   
?
All post transition metals are placed in group number 13, 14 and 15 of periodic table. In fact, they are located between Transition Metals and Metalloids. Post transition metals have very poor mechanical properties.Post-​Transition   
Atomic Properties
Atomic Number
95   
23
83   
33
Atomic Weight
243.00 amu   
20
208.98 amu   
29
Atomic Volume
17.86 cm3/mol   
29
21.30 cm3/mol   
14
Electron Configuration
[Rn] 5f7 7s2   
[Xe] 4f14 5d10 6s2 6p3   
Valence Electron Potential
44.00 (-eV)   
40
41.90 (-eV)   
99+
Atom
  
  
Number of Protons
95   
23
83   
33
Number of Neutrons
148   
12
126   
18
Number of Electrons
95   
23
83   
33
Crystal Structure
?
In crystallography, the hexagonal crystal structure and its double hexagonal crystal structure is one of the 7 crystal structure, The hexagonal lattice system consists of just one Bravais lattice type: the hexagonal shape.Double Hexagonal Close Packed (DHCP)   
?
Rhombohedral crystal lattice structure comes under trigonal crystal structure. The Rhombohedral crystal structure is a term associated trigonal crystal structure with the rhombohedral lattice.Rhombohedral (RHO)   
Crystal Lattice
DHCP-Crystal-Structure-of-Americium.jpg#100   
RHO-Crystal-Structure-of-Bismuth.jpg#100   
Radius of an Atom
  
  
Atomic Radius
173.00 pm   
21
156.00 pm   
29
Covalent Radius
180.00 pm   
21
148.00 pm   
36
Van der Waals Radius
244.00 pm   
10
207.00 pm   
26
Lattice Constant
346.81 pm   
99+
667.40 pm   
2
Lattice Angles
π/2, π/2, 2 π/3   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
Adjacent Atomic Numbers
  
  
Next Element
Curium
  
Polonium
  
Previous Element
Plutonium
  
Lead
  
Magnetic Properties
Electrical Properties
  
  
Resistivity
0.69 nΩ·m   
99+
1.29 nΩ·m   
99+
Electrical Conductivity
0.02 106/cm Ω   
99+
0.01 106/cm Ω   
99+
Electron Affinity
Not Available   
91.20 kJ/mol   
11
Electrical Property
Unknown   
?
Semiconductor metals have conductivity between that of a conductor and an insulator.Semiconductor   
Magnetic Characteristics
  
  
Specific Gravity
13.67   
15
9.79   
30
Magnetic Ordering
?
Paramagnetic metals are slightly attracted by magnet, but they can’t retain the magnetic effect once they are removed from the magnetic field.Paramagnetic   
?
Diamagnetic metals produce a magnetic field opposite to the applied magnetic field. Thus, they are repelled by magnets and show magnetic nature.Diamagnetic   
Permeability
Not Available   
0.00 H/m   
6
Susceptibility
Not Available   
0.00   
6
Thermal Properties
Specific Heat
0.11 J/(kg K)   
99+
0.12 J/(kg K)   
40
Thermal Conductivity
10.00 W/m·K   
99+
7.97 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Molar Heat Capacity
62.70 J/mol·K   
1
25.52 J/mol·K   
37
Thermal Expansion
Not Available   
13.40 µm/(m·K)   
28
Standard Molar Entropy
Not Available   
56.70 J/mol.K   
24
Enthalpy
  
  
Enthalpy of Vaporization
Not Available   
151.00 kJ/mol   
99+
Enthalpy of Fusion
14.39 kJ/mol   
24
10.90 kJ/mol   
33
Enthalpy of Atomization
268.00 kJ/mol   
40
207.10 kJ/mol   
99+
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