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Atomic Structure of Cerium and Europium


Atomic Structure of Europium and Cerium


Atomic Properties

Atomic Number
58   
99+
63   
99+

Electron Configuration
[Xe] 4f1 5d1 6s2   
[Xe] 4f7 6s2   

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+
63   
99+

Number of Neutrons
82   
99+
89   
38

Number of Electrons
58   
99+
63   
99+

Radius of an Atom
  
  

Atomic Radius
181.80 pm   
12
180.00 pm   
14

Covalent Radius
204.00 pm   
8
198.00 pm   
13

Van der Waals Radius
235.00 pm   
17
233.00 pm   
18

Atomic Weight
140.12 amu   
99+
151.96 amu   
99+

Atomic Volume
20.67 cm3/mol   
17
28.90 cm3/mol   
8

Adjacent Atomic Numbers
  
  

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Lanthanum
  
Samarium
  

Next Element
Gadolinium
  

Valence Electron Potential
41.78 (-eV)   
99+
45.60 (-eV)   
35

Lattice Constant
362.00 pm   
34
458.10 pm   
17

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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