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Actinide Series
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Atomic Structure of Fermium
Fermium
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Summary
Periodic Table
Facts
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Mechanical
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Atomic
Atomic Number
100
Rank: 18 (Overall)
3
117
👆🏻
Electron Configuration
[Rn] 5f
12
7s
2
Crystal Structure
Not Known
Crystal Lattice
Atom
Number of Protons
100
Rank: 18 (Overall)
3
117
👆🏻
Number of Neutrons
157
Rank: 8 (Overall)
4
285
👆🏻
Number of Electrons
100
Rank: 18 (Overall)
3
117
👆🏻
Radius of an Atom
Atomic Radius
180.00 pm
Rank: 16 (Overall)
0
348
👆🏻
Covalent Radius
180.00 pm
Rank: 23 (Overall)
0
260
👆🏻
Van der Waals Radius
245.00 pm
Rank: 13 (Overall)
0
348
👆🏻
Atomic Weight
257.00 amu
Rank: 15 (Overall)
6.94
294
👆🏻
Atomic Volume
18.00 cm3/mol
Rank: 41 (Overall)
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
0.00 (-eV)
Rank: 78 (Overall)
0
392.42
👆🏻
Lattice Constant
350.00 pm
Rank: 48 (Overall)
0
891.25
👆🏻
Lattice Angles
-
Lattice C/A Ratio
1.63
Rank: 13 (Overall)
0.423
1.9
👆🏻
Actinide Series
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Mendelevium
Berkelium
Protactinium
Nobelium
Curium
Lawrencium
» More Actinide Series
Compare Actinide Series
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Mendelevium vs Curium
Mendelevium vs Lawrencium
Mendelevium vs Americium
» More Compare Actinide Series
Actinide Series
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Americium
Periodic ...
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Neptunium
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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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Berkelium vs Mendelevium
Periodic ...
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Uses
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Physical
Protactinium vs Mendelevium
Periodic ...
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Facts
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Uses
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Physical
Nobelium vs Mendelevium
Periodic ...
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Uses
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Physical