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Atomic Structure of Silver and Promethium

Silver
Promethium
Atomic Structure of Promethium and Silver


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