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Atomic Structure of Beryllium and Iridium


Atomic Structure of Iridium and Beryllium


Atomic Properties

Atomic Number
4   
99+
77   
39

Electron Configuration
[He] 2s2   
[Xe] 4f14 5d7 6s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   

Crystal Lattice
HCP-Crystal-Structure-of-Beryllium.jpg#100   
FCC-Crystal-Structure-of-Iridium.jpg#100   

Atom
  
  

Number of Protons
4   
99+
74   
99+

Number of Neutrons
5   
99+
110   
27

Number of Electrons
4   
99+
74   
99+

Radius of an Atom
  
  

Atomic Radius
112.00 pm   
99+
136.00 pm   
99+

Covalent Radius
96.00 pm   
99+
141.00 pm   
99+

Van der Waals Radius
153.00 pm   
99+
202.00 pm   
27

Atomic Weight
9.01 amu   
99+
192.22 amu   
34

Atomic Volume
5.00 cm3/mol   
99+
9.53 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

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Sodium
  
Platinum
  

Valence Electron Potential
82.00 (-eV)   
15
140.00 (-eV)   
5

Lattice Constant
228.58 pm   
99+
383.90 pm   
26

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

Lattice C/A Ratio
1.57   
18
Not Available   

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