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Atomic Structure of Gadolinium and Lanthanum


Atomic Structure of Lanthanum and Gadolinium


Atomic Properties

Atomic Number
64   
99+
57   
99+

Electron Configuration
[Xe] 4f7 5d1 6s2   
[Xe] 5d2 6s2   

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

Crystal Lattice
HCP-Crystal-Structure-of-Gadolinium.jpg#100   
DHCP-Crystal-Structure-of-Lanthanum.jpg#100   

Atom
  
  

Number of Protons
64   
99+
57   
99+

Number of Neutrons
93   
37
82   
99+

Number of Electrons
64   
99+
57   
99+

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
187.00 pm   
8

Covalent Radius
196.00 pm   
14
207.00 pm   
6

Van der Waals Radius
237.00 pm   
15
240.00 pm   
13

Atomic Weight
47.87 amu   
99+
138.91 amu   
99+

Atomic Volume
19.90 cm3/mol   
20
20.73 cm3/mol   
16

Adjacent Atomic Numbers
  
  

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Next Element
Terbium
  
Cerium
  

Valence Electron Potential
46.10 (-eV)   
34
40.71 (-eV)   
99+

Lattice Constant
363.60 pm   
32
377.20 pm   
28

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

Lattice C/A Ratio
1.59   
9
1.62   
2

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