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Atomic Structure of Americium and Manganese


Atomic Structure of Manganese and Americium


Atomic Properties

Atomic Number
95   
23
25   
99+

Electron Configuration
[Rn] 5f7 7s2   
[Ar] 3d5 4s2   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Body Centered Cubic (BCC)   

Crystal Lattice
DHCP-Crystal-Structure-of-Americium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
95   
23
25   
99+

Number of Neutrons
148   
12
30   
99+

Number of Electrons
95   
23
25   
99+

Radius of an Atom
  
  

Atomic Radius
173.00 pm   
21
127.00 pm   
99+

Covalent Radius
180.00 pm   
21
139.00 pm   
99+

Van der Waals Radius
244.00 pm   
10
200.00 pm   
28

Atomic Weight
243.00 amu   
20
54.94 amu   
99+

Atomic Volume
17.86 cm3/mol   
29
1.39 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

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Chromium
  

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Curium
  
Iron
  

Valence Electron Potential
44.00 (-eV)   
40
220.00 (-eV)   
2

Lattice Constant
346.81 pm   
99+
891.25 pm   
1

Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

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