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Atomic Structure of Berkelium and Beryllium


Atomic Structure of Beryllium and Berkelium


Atomic Properties

Atomic Number
97   
21
4   
99+

Electron Configuration
[Rn] 5f9 7s2   
[He] 2s2   

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

Crystal Lattice
DHCP-Crystal-Structure-of-Berkelium.jpg#100   
HCP-Crystal-Structure-of-Beryllium.jpg#100   

Atom
  
  

Number of Protons
97   
21
4   
99+

Number of Neutrons
150   
11
5   
99+

Number of Electrons
97   
21
4   
99+

Radius of an Atom
  
  

Atomic Radius
170.00 pm   
22
112.00 pm   
99+

Covalent Radius
Not Available   
96.00 pm   
99+

Van der Waals Radius
Not Available   
153.00 pm   
99+

Atomic Weight
247.00 amu   
18
9.01 amu   
99+

Atomic Volume
Not Available   
5.00 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

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Curium
  
Lithium
  

Next Element
Sodium
  

Valence Electron Potential
45.50 (-eV)   
36
82.00 (-eV)   
15

Lattice Constant
341.60 pm   
99+
228.58 pm   
99+

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

Lattice C/A Ratio
Not Available   
1.57   
18

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