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Atomic Structure of Promethium and Rubidium

Promethium
Rubidium
Atomic Structure of Rubidium and Promethium


Atomic Properties
Atomic Number
61   
99+
37   
99+
Electron Configuration
[Xe] 4f5 6s2   
[Kr] 5s1   
Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Body Centered Cubic (BCC)   
Crystal Lattice
DHCP-Crystal-Structure-of-Promethium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
61   
99+
37   
99+
Number of Neutrons
84   
40
48   
99+
Number of Electrons
61   
99+
37   
99+
Radius of an Atom
  
  
Atomic Radius
183.00 pm   
10
248.00 pm   
2
Covalent Radius
199.00 pm   
12
220.00 pm   
4
Van der Waals Radius
236.00 pm   
16
303.00 pm   
3
Atomic Weight
145.00 amu   
99+
85.47 amu   
99+
Atomic Volume
22.39 cm3/mol   
12
55.90 cm3/mol   
2
Adjacent Atomic Numbers
  
  
Previous Element
Neodymium
  
Gallium
  
Next Element
Samarium
  
Strontium
  
Valence Electron Potential
44.10 (-eV)   
39
9.47 (-eV)   
99+
Lattice Constant
Not Available   
558.50 pm   
10
Lattice Angles
Unknown   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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