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Atomic Structure of Berkelium and Americium


Atomic Structure of Americium and Berkelium


Atomic Properties

Atomic Number
97   
21
95   
23

Electron Configuration
[Rn] 5f9 7s2   
[Rn] 5f7 7s2   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Double Hexagonal Close Packed (DHCP)   

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

Atom
  
  

Number of Protons
97   
21
95   
23

Number of Neutrons
150   
11
148   
12

Number of Electrons
97   
21
95   
23

Radius of an Atom
  
  

Atomic Radius
170.00 pm   
22
173.00 pm   
21

Covalent Radius
Not Available   
180.00 pm   
21

Van der Waals Radius
Not Available   
244.00 pm   
10

Atomic Weight
247.00 amu   
18
243.00 amu   
20

Atomic Volume
Not Available   
17.86 cm3/mol   
29

Adjacent Atomic Numbers
  
  

Previous Element
Curium
  
Plutonium
  

Next Element
Curium
  

Valence Electron Potential
45.50 (-eV)   
36
44.00 (-eV)   
40

Lattice Constant
341.60 pm   
99+
346.81 pm   
99+

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

Lattice C/A Ratio
Not Available   
Not Available   

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