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Atomic Structure of Barium and Gadolinium

Barium
Gadolinium
Atomic Structure of Gadolinium and Barium


Atomic Properties
Atomic Number
56   
99+
64   
99+
Electron Configuration
[Xe] 6s2   
[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
56   
99+
64   
99+
Number of Neutrons
81   
99+
93   
37
Number of Electrons
56   
99+
64   
99+
Radius of an Atom
  
  
Atomic Radius
222.00 pm   
4
180.00 pm   
14
Covalent Radius
215.00 pm   
5
196.00 pm   
14
Van der Waals Radius
268.00 pm   
6
237.00 pm   
15
Atomic Weight
137.33 amu   
99+
47.87 amu   
99+
Atomic Volume
39.24 cm3/mol   
5
19.90 cm3/mol   
20
Adjacent Atomic Numbers
  
  
Previous Element
Cesium
  
Europium
  
Next Element
Lanthanum
  
Terbium
  
Valence Electron Potential
21.30 (-eV)   
99+
46.10 (-eV)   
34
Lattice Constant
502.80 pm   
15
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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