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Atomic Structure of Potassium and Lithium
Potassium
Lithium
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Summary
Periodic Table
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Atomic
Atomic Number
19
3
3
117
👆🏻
Electron Configuration
[Ar] 4s
1
[He] 2s
1
Crystal Structure
Body Centered Cubic (BCC)
Body Centered Cubic (BCC)
Crystal Lattice
Atom
Number of Protons
19
3
3
117
👆🏻
Number of Neutrons
20
4
4
285
👆🏻
Number of Electrons
19
3
3
117
👆🏻
Radius of an Atom
Atomic Radius
227.00 pm
152.00 pm
0
348
👆🏻
Covalent Radius
203.00 pm
128.00 pm
0
260
👆🏻
Van der Waals Radius
275.00 pm
182.00 pm
0
348
👆🏻
Atomic Weight
39.10 amu
6.94 amu
6.94
294
👆🏻
Atomic Volume
45.46 cm3/mol
13.10 cm3/mol
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
10.40 (-eV)
19.00 (-eV)
0
392.42
👆🏻
Lattice Constant
532.80 pm
351.00 pm
0
891.25
👆🏻
Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
Lattice C/A Ratio
1.69
1.62
0.423
1.9
👆🏻
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