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Atomic Structure of Berkelium and Iridium


Atomic Structure of Iridium and Berkelium


Atomic Properties

Atomic Number
97   
21
77   
39

Electron Configuration
[Rn] 5f9 7s2   
[Xe] 4f14 5d7 6s2   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Face Centered Cubic (FCC)   

Crystal Lattice
DHCP-Crystal-Structure-of-Berkelium.jpg#100   
FCC-Crystal-Structure-of-Iridium.jpg#100   

Atom
  
  

Number of Protons
97   
21
74   
99+

Number of Neutrons
150   
11
110   
27

Number of Electrons
97   
21
74   
99+

Radius of an Atom
  
  

Atomic Radius
170.00 pm   
22
136.00 pm   
99+

Covalent Radius
Not Available   
141.00 pm   
99+

Van der Waals Radius
Not Available   
202.00 pm   
27

Atomic Weight
247.00 amu   
18
192.22 amu   
34

Atomic Volume
Not Available   
9.53 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

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Curium
  
Osmium
  

Next Element
Platinum
  

Valence Electron Potential
45.50 (-eV)   
36
140.00 (-eV)   
5

Lattice Constant
341.60 pm   
99+
383.90 pm   
26

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

Lattice C/A Ratio
Not Available   
Not Available   

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