Home
Compare Metals
Transition Metals
Actinide Series
Lanthanide Series
Post Transition Metals
Alkaline Earth Metals
Alkali Metals
Atomic Structure of Promethium
f
Promethium
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Atomic
Atomic Number
61 55
Electron Configuration
[Xe] 4f
5
6s
2
Crystal Structure
Double Hexagonal Close Packed (DHCP)
Crystal Lattice
DHCP-Crystal-Structure-of-Promethium.jpg#100
Atom
Number of Protons
61 54
Number of Neutrons
84 41
Number of Electrons
61 54
Radius of an Atom
Atomic Radius
183.00 pm 12
Covalent Radius
199.00 pm 12
Van der Waals Radius
236.00 pm 20
Atomic Weight
145.00 amu 49
Atomic Volume
22.39 cm3/mol 21
Adjacent Atomic Numbers
Previous Element
13
Next Element
50
Valence Electron Potential
44.10 (-eV) 40
Lattice Constant
-
Lattice Angles
-
Lattice C/A Ratio
1.63 14
Mechanical >>
<< Chemical
Lanthanide Series
Thulium
Ytterbium
Terbium
Dysprosium
Holmium
Lutetium
Compare Lanthanide Series
Thulium vs Holmium
Thulium vs Lutetium
Thulium vs Praseodymium
Lanthanide Series
Praseodymium
Periodi...
|
Facts
|
Uses
|
Physical
Europium
Periodi...
|
Facts
|
Uses
|
Physical
Lanthanum
Periodi...
|
Facts
|
Uses
|
Physical
» More Lanthanide Series
Compare Lanthanide Series
Ytterbium vs Thulium
Periodi...
|
Facts
|
Uses
|
Physical
Terbium vs Thulium
Periodi...
|
Facts
|
Uses
|
Physical
Dysprosium vs Thulium
Periodi...
|
Facts
|
Uses
|
Physical
» More Compare Lanthanide Series