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Protactinium
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Actinide Series
Lanthanide Series
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Atomic Structure of Protactinium
Protactinium
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Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
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Atomic
Atomic Number
91
Rank: 27 (Overall)
3
117
👆🏻
Electron Configuration
[Rn] 5f
2
6d
1
7s
2
Crystal Structure
Tetragonal (TETR)
Crystal Lattice
Atom
Number of Protons
91
Rank: 27 (Overall)
3
117
👆🏻
Number of Neutrons
122
Rank: 22 (Overall)
4
285
👆🏻
Number of Electrons
91
Rank: 27 (Overall)
3
117
👆🏻
Radius of an Atom
Atomic Radius
163.00 pm
Rank: 27 (Overall)
0
348
👆🏻
Covalent Radius
200.00 pm
Rank: 11 (Overall)
0
260
👆🏻
Van der Waals Radius
243.00 pm
Rank: 15 (Overall)
0
348
👆🏻
Atomic Weight
231.04 amu
Rank: 24 (Overall)
6.94
294
👆🏻
Atomic Volume
15.00 cm3/mol
Rank: 50 (Overall)
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
92.00 (-eV)
Rank: 11 (Overall)
0
392.42
👆🏻
Lattice Constant
392.50 pm
Rank: 26 (Overall)
0
891.25
👆🏻
Lattice Angles
π/2, π/2, π/2
Lattice C/A Ratio
1.58
Rank: 36 (Overall)
0.423
1.9
👆🏻
Actinide Series
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Berkelium
Mendelevium
Fermium
Nobelium
Curium
Lawrencium
» More Actinide Series
Compare Actinide Series
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Berkelium vs Curium
Berkelium vs Lawrencium
Berkelium vs Americium
» More Compare Actinide Series
Actinide Series
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Americium
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Neptunium
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Facts
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Uses
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Physical
Actinium
Periodic ...
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Facts
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Uses
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Physical
Compare Actinide Series
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Mendelevium vs Berkelium
Periodic ...
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Facts
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Uses
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Physical
Fermium vs Berkelium
Periodic ...
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Facts
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Uses
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Physical
Nobelium vs Berkelium
Periodic ...
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Facts
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Uses
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Physical