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Atomic Structure of Americium and Meitnerium


Atomic Structure of Meitnerium and Americium


Atomic Properties

Atomic Number
95   
23
109   
9

Electron Configuration
[Rn] 5f7 7s2   
[Rn] 5f14 6d7 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-Meitnerium.jpg#100   

Atom
  
  

Number of Protons
95   
23
109   
9

Number of Neutrons
148   
12
157   
7

Number of Electrons
95   
23
109   
9

Radius of an Atom
  
  

Atomic Radius
173.00 pm   
21
122.00 pm   
99+

Covalent Radius
180.00 pm   
21
129.00 pm   
99+

Van der Waals Radius
244.00 pm   
10
Not Available   

Atomic Weight
243.00 amu   
20
278.00 amu   
7

Atomic Volume
17.86 cm3/mol   
29
Not Available   

Adjacent Atomic Numbers
  
  

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Hassium
  

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Curium
  

Valence Electron Potential
44.00 (-eV)   
40
Not Available   

Lattice Constant
346.81 pm   
99+
Not Available   

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

Lattice C/A Ratio
Not Available   
Not Available   

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