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Atomic Structure of Thorium and Neodymium


Atomic Structure of Neodymium and Thorium


Atomic Properties

Atomic Number
90   
28
60   
99+

Electron Configuration
[Rn] 6d2 7s2   
[Xe] 4f4 6s2   

Crystal Structure
Face Centered Cubic (FCC)   
Double Hexagonal Close Packed (DHCP)   

Crystal Lattice
FCC-Crystal-Structure-of-Thorium.jpg#100   
DHCP-Crystal-Structure-of-Neodymium.jpg#100   

Atom
  
  

Number of Protons
90   
28
60   
99+

Number of Neutrons
142   
15
84   
40

Number of Electrons
90   
28
60   
99+

Radius of an Atom
  
  

Atomic Radius
179.80 pm   
15
181.00 pm   
13

Covalent Radius
206.00 pm   
7
201.00 pm   
10

Van der Waals Radius
237.00 pm   
15
229.00 pm   
20

Atomic Weight
232.04 amu   
23
144.24 amu   
99+

Atomic Volume
19.90 cm3/mol   
20
20.60 cm3/mol   
18

Adjacent Atomic Numbers
  
  

Previous Element
Actinium
  

Next Element
Promethium
  

Valence Electron Potential
59.30 (-eV)   
23
43.40 (-eV)   
99+

Lattice Constant
508.42 pm   
14
365.80 pm   
30

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

Lattice C/A Ratio
Not Available   
1.61   
4

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