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Atomic Structure of Americium and Mendelevium


Atomic Structure of Mendelevium and Americium


Atomic Properties

Atomic Number
95   
23
101   
17

Electron Configuration
[Rn] 5f7 7s2   
[Rn] 5f13 7s2   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Not Known   

Crystal Lattice
DHCP-Crystal-Structure-of-Americium.jpg#100   
Unknown-Crystal-Structure-of-Mendelevium.jpg#100   

Atom
  
  

Number of Protons
95   
23
101   
17

Number of Neutrons
148   
12
157   
7

Number of Electrons
95   
23
101   
17

Radius of an Atom
  
  

Atomic Radius
173.00 pm   
21
Not Available   

Covalent Radius
180.00 pm   
21
Not Available   

Van der Waals Radius
244.00 pm   
10
246.00 pm   
8

Atomic Weight
243.00 amu   
20
258.00 amu   
14

Atomic Volume
17.86 cm3/mol   
29
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Plutonium
  
Fermium
  

Next Element
Curium
  
Nobelium
  

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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