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Atomic Structure of Terbium and Osmium

Terbium
Osmium
Atomic Structure of Osmium and Terbium


Atomic Properties
Atomic Number
65   
99+
76   
40
Electron Configuration
[Xe] 4f9 6s2   
[Xe] 4f14 5d6 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Terbium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
65   
99+
76   
39
Number of Neutrons
94   
36
114   
25
Number of Electrons
65   
99+
76   
39
Radius of an Atom
  
  
Atomic Radius
177.00 pm   
17
133.80 pm   
99+
Covalent Radius
194.00 pm   
16
Not Available   
Van der Waals Radius
221.00 pm   
22
216.00 pm   
24
Atomic Weight
158.93 amu   
99+
190.23 amu   
35
Atomic Volume
19.20 cm3/mol   
22
8.49 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Gadolinium
  
Rhenium
  
Next Element
Dysprosium
  
Iridium
  
Valence Electron Potential
46.80 (-eV)   
33
91.40 (-eV)   
12
Lattice Constant
360.10 pm   
36
273.44 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.58   
13
1.58   
14
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