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Atomic Structure of Europium and Osmium

Europium
Osmium
Atomic Structure of Osmium and Europium


Atomic Properties
Atomic Number
63   
99+
76   
40
Electron Configuration
[Xe] 4f7 6s2   
[Xe] 4f14 5d6 6s2   
Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
63   
99+
76   
39
Number of Neutrons
89   
38
114   
25
Number of Electrons
63   
99+
76   
39
Radius of an Atom
  
  
Atomic Radius
180.00 pm   
14
133.80 pm   
99+
Covalent Radius
198.00 pm   
13
Not Available   
Van der Waals Radius
233.00 pm   
18
216.00 pm   
24
Atomic Weight
151.96 amu   
99+
190.23 amu   
35
Atomic Volume
28.90 cm3/mol   
8
8.49 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Samarium
  
Rhenium
  
Next Element
Gadolinium
  
Iridium
  
Valence Electron Potential
45.60 (-eV)   
35
91.40 (-eV)   
12
Lattice Constant
458.10 pm   
17
273.44 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.58   
14
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