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Sodium
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Technetium
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Sodium
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Technetium
Atomic Structure of Sodium and Technetium
Sodium
Technetium
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Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
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Atomic
Atomic Number
11
43
3
117
👆🏻
Electron Configuration
[Ne] 3s
1
[Kr] 4d
5
5s
2
Crystal Structure
Body Centered Cubic (BCC)
Hexagonal Close Packed (HCP)
Crystal Lattice
Atom
Number of Protons
11
43
3
117
👆🏻
Number of Neutrons
12
55
4
285
👆🏻
Number of Electrons
11
43
3
117
👆🏻
Radius of an Atom
Atomic Radius
186.00 pm
136.00 pm
0
348
👆🏻
Covalent Radius
166.00 pm
147.00 pm
0
260
👆🏻
Van der Waals Radius
227.00 pm
200.00 pm
0
348
👆🏻
Atomic Weight
22.99 amu
98.00 amu
6.94
294
👆🏻
Atomic Volume
23.70 cm3/mol
8.50 cm3/mol
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
14.10 (-eV)
180.00 (-eV)
0
392.42
👆🏻
Lattice Constant
429.06 pm
273.50 pm
0
891.25
👆🏻
Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
Lattice C/A Ratio
1.01
1.60
0.423
1.9
👆🏻
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