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Atomic Structure of Cerium and Holmium


Atomic Structure of Holmium and Cerium


Atomic Properties

Atomic Number
58   
99+
67   
99+

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

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

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

Atom
  
  

Number of Protons
58   
99+
67   
99+

Number of Neutrons
82   
99+
98   
34

Number of Electrons
58   
99+
67   
99+

Radius of an Atom
  
  

Atomic Radius
181.80 pm   
12
176.00 pm   
18

Covalent Radius
204.00 pm   
8
192.00 pm   
17

Van der Waals Radius
235.00 pm   
17
216.00 pm   
24

Atomic Weight
140.12 amu   
99+
164.93 amu   
99+

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

Adjacent Atomic Numbers
  
  

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Lanthanum
  
Dysprosium
  

Next Element
Erbium
  

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

Lattice Constant
362.00 pm   
34
357.73 pm   
38

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

Lattice C/A Ratio
Not Available   
1.57   
17

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