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Atomic Structure of Europium and 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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