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Atomic Structure of Europium and Sodium

Europium
Sodium
Atomic Structure of Sodium and Europium


Atomic Properties
Atomic Number
63   
99+
11   
99+
Electron Configuration
[Xe] 4f7 6s2   
[Ne] 3s1   
Crystal Structure
Body Centered Cubic (BCC)   
Body Centered Cubic (BCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
63   
99+
11   
99+
Number of Neutrons
89   
38
12   
99+
Number of Electrons
63   
99+
11   
99+
Radius of an Atom
  
  
Atomic Radius
180.00 pm   
14
186.00 pm   
9
Covalent Radius
198.00 pm   
13
166.00 pm   
27
Van der Waals Radius
233.00 pm   
18
227.00 pm   
21
Atomic Weight
151.96 amu   
99+
22.99 amu   
99+
Atomic Volume
28.90 cm3/mol   
8
23.70 cm3/mol   
10
Adjacent Atomic Numbers
  
  
Previous Element
Samarium
  
Beryllium
  
Next Element
Gadolinium
  
Magnesium
  
Valence Electron Potential
45.60 (-eV)   
35
14.10 (-eV)   
99+
Lattice Constant
458.10 pm   
17
429.06 pm   
19
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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