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Atomic Structure of Holmium and Cerium


Atomic Structure of Cerium and Holmium


Atomic Properties

Atomic Number
67   
99+
58   
99+

Electron Configuration
[Xe] 4f11 6s2   
[Xe] 4f1 5d1 6s2   

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

Crystal Lattice
HCP-Crystal-Structure-of-Holmium.jpg#100   
DHCP-Crystal-Structure-of-Cerium.jpg#100   

Atom
  
  

Number of Protons
67   
99+
58   
99+

Number of Neutrons
98   
34
82   
99+

Number of Electrons
67   
99+
58   
99+

Radius of an Atom
  
  

Atomic Radius
176.00 pm   
18
181.80 pm   
12

Covalent Radius
192.00 pm   
17
204.00 pm   
8

Van der Waals Radius
216.00 pm   
24
235.00 pm   
17

Atomic Weight
164.93 amu   
99+
140.12 amu   
99+

Atomic Volume
18.70 cm3/mol   
24
20.67 cm3/mol   
17

Adjacent Atomic Numbers
  
  

Previous Element
Dysprosium
  
Lanthanum
  

Next Element
Erbium
  

Valence Electron Potential
47.90 (-eV)   
31
41.78 (-eV)   
99+

Lattice Constant
357.73 pm   
38
362.00 pm   
34

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

Lattice C/A Ratio
1.57   
17
Not Available   

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