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Atomic Structure of Europium and Gadolinium


Atomic Structure of Gadolinium and Europium


Atomic Properties

Atomic Number
63   
99+
64   
99+

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

Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Gadolinium.jpg#100   

Atom
  
  

Number of Protons
63   
99+
64   
99+

Number of Neutrons
89   
38
93   
37

Number of Electrons
63   
99+
64   
99+

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
180.00 pm   
14

Covalent Radius
198.00 pm   
13
196.00 pm   
14

Van der Waals Radius
233.00 pm   
18
237.00 pm   
15

Atomic Weight
151.96 amu   
99+
47.87 amu   
99+

Atomic Volume
28.90 cm3/mol   
8
19.90 cm3/mol   
20

Adjacent Atomic Numbers
  
  

Previous Element
Samarium
  
Europium
  

Next Element
Gadolinium
  
Terbium
  

Valence Electron Potential
45.60 (-eV)   
35
46.10 (-eV)   
34

Lattice Constant
458.10 pm   
17
363.60 pm   
32

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

Lattice C/A Ratio
Not Available   
1.59   
9

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