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Atomic Structure of Terbium and Radium


Atomic Structure of Radium and Terbium


Atomic Properties

Atomic Number
65   
99+
88   
30

Electron Configuration
[Xe] 4f9 6s2   
[Rn] 7s2   

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

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

Atom
  
  

Number of Protons
65   
99+
88   
30

Number of Neutrons
94   
36
138   
16

Number of Electrons
65   
99+
88   
30

Radius of an Atom
  
  

Atomic Radius
177.00 pm   
17
Not Available   

Covalent Radius
194.00 pm   
16
221.00 pm   
3

Van der Waals Radius
221.00 pm   
22
283.00 pm   
4

Atomic Weight
158.93 amu   
99+
226.00 amu   
26

Atomic Volume
19.20 cm3/mol   
22
45.20 cm3/mol   
4

Adjacent Atomic Numbers
  
  

Previous Element
Gadolinium
  
Francium
  

Next Element
Dysprosium
  
Actinium
  

Valence Electron Potential
46.80 (-eV)   
33
20.10 (-eV)   
99+

Lattice Constant
360.10 pm   
36
514.80 pm   
13

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

Lattice C/A Ratio
1.58   
13
Not Available   

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