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Atomic Structure of Neodymium and Tantalum

Neodymium
Tantalum
Atomic Structure of Tantalum and Neodymium


Atomic Properties
Atomic Number
60   
99+
73   
99+
Electron Configuration
[Xe] 4f4 6s2   
[Xe] 4f14 5d3 6s2   
Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Body Centered Cubic (BCC)   
Crystal Lattice
DHCP-Crystal-Structure-of-Neodymium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
60   
99+
73   
99+
Number of Neutrons
84   
40
108   
28
Number of Electrons
60   
99+
73   
99+
Radius of an Atom
  
  
Atomic Radius
181.00 pm   
13
146.00 pm   
35
Covalent Radius
201.00 pm   
10
170.00 pm   
25
Van der Waals Radius
229.00 pm   
20
200.00 pm   
28
Atomic Weight
144.24 amu   
99+
180.95 amu   
38
Atomic Volume
20.60 cm3/mol   
18
10.90 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Praseodymium
  
Hafnium
  
Next Element
Promethium
  
Tungsten
  
Valence Electron Potential
43.40 (-eV)   
99+
110.00 (-eV)   
7
Lattice Constant
365.80 pm   
30
330.13 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.61   
4
Not Available   
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