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Atomic Structure of Potassium and Einsteinium

Potassium
Einsteinium
Atomic Structure of Einsteinium and Potassium


Atomic
Atomic Number
19  
99+
99  
19
Electron Configuration
[Ar] 4s1  
[Rn] 5f11 7s2  
Crystal Structure
Body Centered Cubic (BCC)  
Face Centered Cubic (FCC)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
FCC-Crystal-Structure-of-Einsteinium.jpg#100  
Atom
  
  
Number of Protons
19  
99+
99  
19
Number of Neutrons
20  
99+
153  
10
Number of Electrons
19  
99+
99  
19
Radius of an Atom
  
  
Atomic Radius
227.00 pm  
4
186.00 pm  
11
Covalent Radius
203.00 pm  
9
186.00 pm  
21
Van der Waals Radius
275.00 pm  
7
0.00 pm  
99+
Atomic Weight
39.10 amu  
99+
252.00 amu  
16
Atomic Volume
45.46 cm3/mol  
4
17.04 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Aluminium
  
Californium
  
Next Element
Calcium
  
Fermium
  
Valence Electron Potential
10.40 (-eV)  
99+
0.00 (-eV)  
99+
Lattice Constant
532.80 pm  
13
582.00 pm  
8
Lattice Angles
π/2, π/2, π/2  
-  
Lattice C/A Ratio
1.69  
10
1.29  
99+
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