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Atomic Structure of Tantalum and Yttrium

Tantalum
Yttrium
Atomic Structure of Yttrium and Tantalum


Atomic Properties
Atomic Number
73   
99+
39   
99+
Electron Configuration
[Xe] 4f14 5d3 6s2   
[Kr] 4d1 5s2   
Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Yttrium.jpg#100   
Atom
  
  
Number of Protons
73   
99+
39   
99+
Number of Neutrons
108   
28
50   
99+
Number of Electrons
73   
99+
39   
99+
Radius of an Atom
  
  
Atomic Radius
146.00 pm   
35
180.00 pm   
14
Covalent Radius
170.00 pm   
25
190.00 pm   
18
Van der Waals Radius
200.00 pm   
28
200.00 pm   
28
Atomic Weight
180.95 amu   
38
88.91 amu   
99+
Atomic Volume
10.90 cm3/mol   
99+
19.80 cm3/mol   
21
Adjacent Atomic Numbers
  
  
Previous Element
Hafnium
  
Strontium
  
Next Element
Tungsten
  
Zirconium
  
Valence Electron Potential
110.00 (-eV)   
7
48.00 (-eV)   
30
Lattice Constant
330.13 pm   
99+
364.74 pm   
31
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.57   
16
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