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Atomic Structure of Europium and Osmium


Atomic Structure of Osmium and Europium


Atomic

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  
39
114  
26

Number of Electrons
63  
99+
76  
39

Radius of an Atom
  
  

Atomic Radius
180.00 pm  
16
133.80 pm  
99+

Covalent Radius
198.00 pm  
13
128.00 pm  
99+

Van der Waals Radius
233.00 pm  
22
216.00 pm  
30

Atomic Weight
151.96 amu  
99+
190.23 amu  
35

Atomic Volume
28.90 cm3/mol  
11
8.49 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

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Samarium
  
Rhenium
  

Next Element
Iridium
  

Valence Electron Potential
45.60 (-eV)  
36
91.40 (-eV)  
12

Lattice Constant
458.10 pm  
19
273.44 pm  
99+

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

Lattice C/A Ratio
1.58  
35
1.58  
37

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