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Atomic Structure of Yttrium and Francium

Yttrium
Francium
Atomic Structure of Francium and Yttrium


Atomic Properties
Atomic Number
39   
99+
87   
31
Electron Configuration
[Kr] 4d1 5s2   
[Rn] 7s1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   
Crystal Lattice
HCP-Crystal-Structure-of-Yttrium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
39   
99+
87   
31
Number of Neutrons
50   
99+
136   
17
Number of Electrons
39   
99+
87   
31
Radius of an Atom
  
  
Atomic Radius
180.00 pm   
14
Not Available   
Covalent Radius
190.00 pm   
18
260.00 pm   
1
Van der Waals Radius
200.00 pm   
28
348.00 pm   
1
Atomic Weight
88.91 amu   
99+
223.00 amu   
27
Atomic Volume
19.80 cm3/mol   
21
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Strontium
  
Polonium
  
Next Element
Zirconium
  
Radium
  
Valence Electron Potential
48.00 (-eV)   
30
8.00 (-eV)   
99+
Lattice Constant
364.74 pm   
31
Not Available   
Lattice Angles
π/2, π/2, 2 π/3   
NA   
Lattice C/A Ratio
1.57   
16
Not Available   
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