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Promethium
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Atomic Structure of Promethium
Promethium
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Summary
Periodic Table
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Atomic
Mechanical
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Atomic
Atomic Number
61
Rank: 55 (Overall)
3
117
👆🏻
Electron Configuration
[Xe] 4f
5
6s
2
Crystal Structure
Double Hexagonal Close Packed (DHCP)
Crystal Lattice
Atom
Number of Protons
61
Rank: 54 (Overall)
3
117
👆🏻
Number of Neutrons
84
Rank: 41 (Overall)
4
285
👆🏻
Number of Electrons
61
Rank: 54 (Overall)
3
117
👆🏻
Radius of an Atom
Atomic Radius
183.00 pm
Rank: 12 (Overall)
0
348
👆🏻
Covalent Radius
199.00 pm
Rank: 12 (Overall)
0
260
👆🏻
Van der Waals Radius
236.00 pm
Rank: 20 (Overall)
0
348
👆🏻
Atomic Weight
145.00 amu
Rank: 49 (Overall)
6.94
294
👆🏻
Atomic Volume
22.39 cm3/mol
Rank: 21 (Overall)
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
44.10 (-eV)
Rank: 40 (Overall)
0
392.42
👆🏻
Lattice Constant
-
0
891.25
👆🏻
Lattice Angles
-
Lattice C/A Ratio
1.63
Rank: 14 (Overall)
0.423
1.9
👆🏻
Lanthanide Series
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Thulium
Ytterbium
Terbium
Dysprosium
Holmium
Lutetium
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Thulium vs Holmium
Thulium vs Lutetium
Thulium vs Praseodymium
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Lanthanide Series
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Praseodymium
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Europium
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Physical
Lanthanum
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Physical
Compare Lanthanide Series
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Ytterbium vs Thulium
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Physical
Terbium vs Thulium
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Uses
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Physical
Dysprosium vs Thulium
Periodic ...
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Uses
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Physical