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Atomic Structure of Osmium and Terbium


Atomic Structure of Terbium and Osmium


Atomic Properties

Atomic Number
76   
40
65   
99+

Electron Configuration
[Xe] 4f14 5d6 6s2   
[Xe] 4f9 6s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Terbium.jpg#100   

Atom
  
  

Number of Protons
76   
39
65   
99+

Number of Neutrons
114   
25
94   
36

Number of Electrons
76   
39
65   
99+

Radius of an Atom
  
  

Atomic Radius
133.80 pm   
99+
177.00 pm   
17

Covalent Radius
Not Available   
194.00 pm   
16

Van der Waals Radius
216.00 pm   
24
221.00 pm   
22

Atomic Weight
190.23 amu   
35
158.93 amu   
99+

Atomic Volume
8.49 cm3/mol   
99+
19.20 cm3/mol   
22

Adjacent Atomic Numbers
  
  

Previous Element
Rhenium
  
Gadolinium
  

Next Element
Iridium
  
Dysprosium
  

Valence Electron Potential
91.40 (-eV)   
12
46.80 (-eV)   
33

Lattice Constant
273.44 pm   
99+
360.10 pm   
36

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

Lattice C/A Ratio
1.58   
14
1.58   
13

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