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Atomic Structure of Neodymium and Holmium


Atomic Structure of Holmium and Neodymium


Atomic Properties

Atomic Number
60   
99+
67   
99+

Electron Configuration
[Xe] 4f4 6s2   
[Xe] 4f11 6s2   

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

Crystal Lattice
DHCP-Crystal-Structure-of-Neodymium.jpg#100   
HCP-Crystal-Structure-of-Holmium.jpg#100   

Atom
  
  

Number of Protons
60   
99+
67   
99+

Number of Neutrons
84   
40
98   
34

Number of Electrons
60   
99+
67   
99+

Radius of an Atom
  
  

Atomic Radius
181.00 pm   
13
176.00 pm   
18

Covalent Radius
201.00 pm   
10
192.00 pm   
17

Van der Waals Radius
229.00 pm   
20
216.00 pm   
24

Atomic Weight
144.24 amu   
99+
164.93 amu   
99+

Atomic Volume
20.60 cm3/mol   
18
18.70 cm3/mol   
24

Adjacent Atomic Numbers
  
  

Previous Element
Dysprosium
  

Next Element
Promethium
  
Erbium
  

Valence Electron Potential
43.40 (-eV)   
99+
47.90 (-eV)   
31

Lattice Constant
365.80 pm   
30
357.73 pm   
38

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

Lattice C/A Ratio
1.61   
4
1.57   
17

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