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Atomic Structure of Promethium
f
Promethium
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Atomic
0
Atomic Number
61 55
Electron Configuration
[Xe] 4f
5
6s
2
0
Crystal Structure
Double Hexagonal Close Packed (DHCP) 0
Crystal Lattice
DHCP-Crystal-Structure-of-Promethium.jpg#100 0
Atom
0
Number of Protons
61 54
Number of Neutrons
84 40
Number of Electrons
61 54
Radius of an Atom
0
Atomic Radius
183.00 pm 10
Covalent Radius
199.00 pm 12
Van der Waals Radius
236.00 pm 16
Atomic Weight
145.00 amu 49
Atomic Volume
22.39 cm3/mol 12
Adjacent Atomic Numbers
0
Previous Element
13 0
Next Element
50 0
Valence Electron Potential
44.10 (-eV) 39
Lattice Constant
Not Available 0
Lattice Angles
Unknown 0
Lattice C/A Ratio
Not Available 0
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Lanthanide Metals
Thulium
Ytterbium
Terbium
Dysprosium
Holmium
Lutetium
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