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Atomic Structure of Rhenium and Europium


Atomic Structure of Europium and Rhenium


Atomic Properties

Atomic Number
75   
99+
63   
99+

Electron Configuration
[Xe] 4f14 5d5 6s2   
[Xe] 4f7 6s2   

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

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
75   
40
63   
99+

Number of Neutrons
111   
26
89   
38

Number of Electrons
75   
40
63   
99+

Radius of an Atom
  
  

Atomic Radius
137.00 pm   
40
180.00 pm   
14

Covalent Radius
151.00 pm   
34
198.00 pm   
13

Van der Waals Radius
200.00 pm   
28
233.00 pm   
18

Atomic Weight
186.21 amu   
36
151.96 amu   
99+

Atomic Volume
8.85 cm3/mol   
99+
28.90 cm3/mol   
8

Adjacent Atomic Numbers
  
  

Previous Element
Tungsten
  
Samarium
  

Next Element
Osmium
  
Gadolinium
  

Valence Electron Potential
180.00 (-eV)   
3
45.60 (-eV)   
35

Lattice Constant
276.10 pm   
99+
458.10 pm   
17

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

Lattice C/A Ratio
1.62   
3
Not Available   

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