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Atomic Structure of Yttrium and Potassium

Yttrium
Potassium
Atomic Structure of Potassium and Yttrium


Atomic Properties
Atomic Number
39   
99+
19   
99+
Electron Configuration
[Kr] 4d1 5s2   
[Ar] 4s1   
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+
19   
99+
Number of Neutrons
50   
99+
20   
99+
Number of Electrons
39   
99+
19   
99+
Radius of an Atom
  
  
Atomic Radius
180.00 pm   
14
227.00 pm   
3
Covalent Radius
190.00 pm   
18
203.00 pm   
9
Van der Waals Radius
200.00 pm   
28
275.00 pm   
5
Atomic Weight
88.91 amu   
99+
39.10 amu   
99+
Atomic Volume
19.80 cm3/mol   
21
45.46 cm3/mol   
3
Adjacent Atomic Numbers
  
  
Previous Element
Strontium
  
Aluminium
  
Next Element
Zirconium
  
Calcium
  
Valence Electron Potential
48.00 (-eV)   
30
10.40 (-eV)   
99+
Lattice Constant
364.74 pm   
31
532.80 pm   
12
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.57   
16
Not Available   
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