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Atomic Structure of Cerium and Roentgenium


Atomic Structure of Roentgenium and Cerium


Atomic Properties

Atomic Number
58   
99+
111   
7

Electron Configuration
[Xe] 4f1 5d1 6s2   
[Rn] 5f14 6d9 7s2   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Body Centered Cubic (BCC)   

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

Atom
  
  

Number of Protons
58   
99+
111   
7

Number of Neutrons
82   
99+
161   
3

Number of Electrons
58   
99+
111   
7

Radius of an Atom
  
  

Atomic Radius
181.80 pm   
12
Not Available   

Covalent Radius
204.00 pm   
8
Not Available   

Van der Waals Radius
235.00 pm   
17
Not Available   

Atomic Weight
140.12 amu   
99+
281.00 amu   
6

Atomic Volume
20.67 cm3/mol   
17
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Lanthanum
  

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Valence Electron Potential
41.78 (-eV)   
99+
Not Available   

Lattice Constant
362.00 pm   
34
Not Available   

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

Lattice C/A Ratio
Not Available   
Not Available   

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