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Neptunium
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Actinide Series
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Atomic Structure of Neptunium
Neptunium
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Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
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Atomic
Atomic Number
93
Rank: 25 (Overall)
3
117
👆🏻
Electron Configuration
[Rn] 5f
4
6d
1
7s
2
Crystal Structure
Orthorhombic (ORTH)
Crystal Lattice
Atom
Number of Protons
93
Rank: 25 (Overall)
3
117
👆🏻
Number of Neutrons
144
Rank: 15 (Overall)
4
285
👆🏻
Number of Electrons
93
Rank: 25 (Overall)
3
117
👆🏻
Radius of an Atom
Atomic Radius
155.00 pm
Rank: 32 (Overall)
0
348
👆🏻
Covalent Radius
190.00 pm
Rank: 18 (Overall)
0
260
👆🏻
Van der Waals Radius
221.00 pm
Rank: 27 (Overall)
0
348
👆🏻
Atomic Weight
237.00 amu
Rank: 22 (Overall)
6.94
294
👆🏻
Atomic Volume
11.62 cm3/mol
Rank: 61 (Overall)
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
96.00 (-eV)
Rank: 9 (Overall)
0
392.42
👆🏻
Lattice Constant
666.30 pm
Rank: 3 (Overall)
0
891.25
👆🏻
Lattice Angles
π/2, π/2, π/2
Lattice C/A Ratio
1.43
Rank: 50 (Overall)
0.423
1.9
👆🏻
Actinide Series
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Americium
Lawrencium
Curium
Nobelium
Protactinium
Berkelium
» More Actinide Series
Compare Actinide Series
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Americium vs Protactinium
Americium vs Berkelium
Americium vs Mendelevium
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Actinide Series
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Mendelevium
Periodic ...
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Physical
Fermium
Periodic ...
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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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Lawrencium vs Americium
Periodic ...
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Facts
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Uses
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Physical
Curium vs Americium
Periodic ...
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Facts
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Uses
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Physical
Nobelium vs Americium
Periodic ...
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Facts
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Uses
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Physical