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Sodium
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Mendelevium
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Sodium
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Mendelevium
Atomic Structure of Sodium and Mendelevium
Sodium
Mendelevium
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Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
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Atomic
Atomic Number
11
101
3
117
👆🏻
Electron Configuration
[Ne] 3s
1
[Rn] 5f
13
7s
2
Crystal Structure
Body Centered Cubic (BCC)
Not Known
Crystal Lattice
Atom
Number of Protons
11
101
3
117
👆🏻
Number of Neutrons
12
157
4
285
👆🏻
Number of Electrons
11
101
3
117
👆🏻
Radius of an Atom
Atomic Radius
186.00 pm
175.00 pm
0
348
👆🏻
Covalent Radius
166.00 pm
175.00 pm
0
260
👆🏻
Van der Waals Radius
227.00 pm
246.00 pm
0
348
👆🏻
Atomic Weight
22.99 amu
258.00 amu
6.94
294
👆🏻
Atomic Volume
23.70 cm3/mol
19.90 cm3/mol
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
14.10 (-eV)
63.70 (-eV)
0
392.42
👆🏻
Lattice Constant
429.06 pm
-
0
891.25
👆🏻
Lattice Angles
π/2, π/2, π/2
-
Lattice C/A Ratio
1.01
1.58
0.423
1.9
👆🏻
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