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Atomic Structure of Radium and Gadolinium

Radium
Gadolinium
Atomic Structure of Gadolinium and Radium


Atomic Properties
Atomic Number
88   
30
64   
99+
Electron Configuration
[Rn] 7s2   
[Xe] 4f7 5d1 6s2   
Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Gadolinium.jpg#100   
Atom
  
  
Number of Protons
88   
30
64   
99+
Number of Neutrons
138   
16
93   
37
Number of Electrons
88   
30
64   
99+
Radius of an Atom
  
  
Atomic Radius
Not Available   
180.00 pm   
14
Covalent Radius
221.00 pm   
3
196.00 pm   
14
Van der Waals Radius
283.00 pm   
4
237.00 pm   
15
Atomic Weight
226.00 amu   
26
47.87 amu   
99+
Atomic Volume
45.20 cm3/mol   
4
19.90 cm3/mol   
20
Adjacent Atomic Numbers
  
  
Previous Element
Francium
  
Europium
  
Next Element
Actinium
  
Terbium
  
Valence Electron Potential
20.10 (-eV)   
99+
46.10 (-eV)   
34
Lattice Constant
514.80 pm   
13
363.60 pm   
32
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.59   
9
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