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Atomic Structure of Lutetium and Berkelium


Atomic Structure of Berkelium and Lutetium


Atomic Properties

Atomic Number
71   
99+
97   
21

Electron Configuration
[Xe] 6s2 4f14 5d1   
[Rn] 5f9 7s2   

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

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

Atom
  
  

Number of Protons
71   
99+
97   
21

Number of Neutrons
104   
30
150   
11

Number of Electrons
71   
99+
97   
21

Radius of an Atom
  
  

Atomic Radius
174.00 pm   
20
170.00 pm   
22

Covalent Radius
187.00 pm   
20
Not Available   

Van der Waals Radius
221.00 pm   
22
Not Available   

Atomic Weight
174.97 amu   
40
247.00 amu   
18

Atomic Volume
17.78 cm3/mol   
30
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Ytterbium
  
Curium
  

Next Element
Hafnium
  

Valence Electron Potential
50.90 (-eV)   
26
45.50 (-eV)   
36

Lattice Constant
350.31 pm   
99+
341.60 pm   
99+

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

Lattice C/A Ratio
1.59   
10
Not Available   

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