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Atomic Structure of Potassium and Terbium

Potassium
Terbium
Atomic Structure of Terbium and Potassium


Atomic Properties
Atomic Number
19   
99+
65   
99+
Electron Configuration
[Ar] 4s1   
[Xe] 4f9 6s2   
Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Terbium.jpg#100   
Atom
  
  
Number of Protons
19   
99+
65   
99+
Number of Neutrons
20   
99+
94   
36
Number of Electrons
19   
99+
65   
99+
Radius of an Atom
  
  
Atomic Radius
227.00 pm   
3
177.00 pm   
17
Covalent Radius
203.00 pm   
9
194.00 pm   
16
Van der Waals Radius
275.00 pm   
5
221.00 pm   
22
Atomic Weight
39.10 amu   
99+
158.93 amu   
99+
Atomic Volume
45.46 cm3/mol   
3
19.20 cm3/mol   
22
Adjacent Atomic Numbers
  
  
Previous Element
Aluminium
  
Gadolinium
  
Next Element
Calcium
  
Dysprosium
  
Valence Electron Potential
10.40 (-eV)   
99+
46.80 (-eV)   
33
Lattice Constant
532.80 pm   
12
360.10 pm   
36
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.58   
13
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