Home

Transition Metals + -

Actinide Metals + -

Lanthanide Metals + -

Post-Transition Metals + -

Alkaline Earth Metals + -

Compare Metals

Atomic Structure of Americium and Thorium

Americium
Thorium
Atomic Structure of Thorium and Americium


Atomic Properties
Atomic Number
95   
23
90   
28
Electron Configuration
[Rn] 5f7 7s2   
[Rn] 6d2 7s2   
Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Face Centered Cubic (FCC)   
Crystal Lattice
DHCP-Crystal-Structure-of-Americium.jpg#100   
FCC-Crystal-Structure-of-Thorium.jpg#100   
Atom
  
  
Number of Protons
95   
23
90   
28
Number of Neutrons
148   
12
142   
15
Number of Electrons
95   
23
90   
28
Radius of an Atom
  
  
Atomic Radius
173.00 pm   
21
179.80 pm   
15
Covalent Radius
180.00 pm   
21
206.00 pm   
7
Van der Waals Radius
244.00 pm   
10
237.00 pm   
15
Atomic Weight
243.00 amu   
20
232.04 amu   
23
Atomic Volume
17.86 cm3/mol   
29
19.90 cm3/mol   
20
Adjacent Atomic Numbers
  
  
Previous Element
Plutonium
  
Actinium
  
Next Element
Curium
  
Protactinium
  
Valence Electron Potential
44.00 (-eV)   
40
59.30 (-eV)   
23
Lattice Constant
346.81 pm   
99+
508.42 pm   
14
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical >>
<< Chemical

Compare Actinide Series

Actinide Metals

Actinide Metals

» More Actinide Metals

Compare Actinide Series

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