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Atomic Structure of Potassium
f
Potassium
Summary
Periodic Table
Facts
Uses
Physical
Chemical
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Mechanical
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Atomic
Atomic Number
19 87
Electron Configuration
[Ar] 4s
1
Crystal Structure
Body Centered Cubic (BCC)
Crystal Lattice
BCC-Crystal-Structure-.jpg#100
Atom
Number of Protons
19 86
Number of Neutrons
20 65
Number of Electrons
19 86
Radius of an Atom
Atomic Radius
227.00 pm 4
Covalent Radius
203.00 pm 9
Van der Waals Radius
275.00 pm 7
Atomic Weight
39.10 amu 81
Atomic Volume
45.46 cm3/mol 4
Adjacent Atomic Numbers
Previous Element
17
Next Element
12
Valence Electron Potential
10.40 (-eV) 67
Lattice Constant
532.80 pm 13
Lattice Angles
π/2, π/2, π/2
Lattice C/A Ratio
1.69 10
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