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Protactinium
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Protactinium
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Gallium
Atomic Structure of Protactinium and Gallium
Protactinium
Gallium
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Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Atomic
Atomic Number
91
31
3
117
👆🏻
Electron Configuration
[Rn] 5f
2
6d
1
7s
2
[Ar] 3d
10
4s
2
4p
1
Crystal Structure
Tetragonal (TETR)
Orthorhombic (ORTH)
Crystal Lattice
Atom
Number of Protons
91
31
3
117
👆🏻
Number of Neutrons
122
39
4
285
👆🏻
Number of Electrons
91
31
3
117
👆🏻
Radius of an Atom
Atomic Radius
163.00 pm
135.00 pm
0
348
👆🏻
Covalent Radius
200.00 pm
122.00 pm
0
260
👆🏻
Van der Waals Radius
243.00 pm
187.00 pm
0
348
👆🏻
Atomic Weight
231.04 amu
69.72 amu
6.94
294
👆🏻
Atomic Volume
15.00 cm3/mol
11.80 cm3/mol
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
92.00 (-eV)
69.70 (-eV)
0
392.42
👆🏻
Lattice Constant
392.50 pm
451.97 pm
0
891.25
👆🏻
Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
Lattice C/A Ratio
1.58
1.30
0.423
1.9
👆🏻
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Mendelevium
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