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Atomic Structure of Lithium and Potassium

Lithium
Potassium
Atomic Structure of Potassium and Lithium


Atomic
Atomic Number
3  
99+
19  
99+
Electron Configuration
[He] 2s1  
[Ar] 4s1  
Crystal Structure
Body Centered Cubic (BCC)  
Body Centered Cubic (BCC)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
3  
99+
19  
99+
Number of Neutrons
4  
99+
20  
99+
Number of Electrons
3  
99+
19  
99+
Radius of an Atom
  
  
Atomic Radius
152.00 pm  
33
227.00 pm  
4
Covalent Radius
128.00 pm  
99+
203.00 pm  
9
Van der Waals Radius
182.00 pm  
99+
275.00 pm  
7
Atomic Weight
6.94 amu  
99+
39.10 amu  
99+
Atomic Volume
13.10 cm3/mol  
99+
45.46 cm3/mol  
4
Adjacent Atomic Numbers
  
  
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Aluminium
  
Next Element
Beryllium
  
Calcium
  
Valence Electron Potential
19.00 (-eV)  
99+
10.40 (-eV)  
99+
Lattice Constant
351.00 pm  
99+
532.80 pm  
13
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.62  
16
1.69  
10
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