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Atomic Structure of Promethium and Silver

Promethium
Silver
Atomic Structure of Silver and Promethium


Atomic
Atomic Number
61  
99+
47  
99+
Electron Configuration
[Xe] 4f5 6s2  
[Kr] 4d10 5s1  
Crystal Structure
Double Hexagonal Close Packed (DHCP)  
Face Centered Cubic (FCC)  
Crystal Lattice
DHCP-Crystal-Structure-of-Promethium.jpg#100  
FCC-Crystal-Structure-of-Silver.jpg#100  
Atom
  
  
Number of Protons
61  
99+
47  
99+
Number of Neutrons
84  
99+
61  
99+
Number of Electrons
61  
99+
47  
99+
Radius of an Atom
  
  
Atomic Radius
183.00 pm  
12
144.00 pm  
38
Covalent Radius
199.00 pm  
12
145.00 pm  
99+
Van der Waals Radius
236.00 pm  
20
172.00 pm  
99+
Atomic Weight
145.00 amu  
99+
107.87 amu  
99+
Atomic Volume
22.39 cm3/mol  
21
10.30 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Neodymium
  
Palladium
  
Next Element
Samarium
  
Cadmium
  
Valence Electron Potential
44.10 (-eV)  
40
11.40 (-eV)  
99+
Lattice Constant
-  
408.53 pm  
23
Lattice Angles
-  
π/2, π/2, π/2  
Lattice C/A Ratio
1.63  
14
1.59  
26
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