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Atomic Structure of Ruthenium and Americium

Ruthenium
Americium
Atomic Structure of Americium and Ruthenium


Atomic Properties
Atomic Number
44   
99+
95   
23
Electron Configuration
[Kr] 4d7 5s1   
[Rn] 5f7 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
rystal-Structure-of-Ruthenium.jpg#100   
DHCP-Crystal-Structure-of-Americium.jpg#100   
Atom
  
  
Number of Protons
44   
99+
95   
23
Number of Neutrons
57   
99+
148   
12
Number of Electrons
44   
99+
95   
23
Radius of an Atom
  
  
Atomic Radius
134.00 pm   
99+
173.00 pm   
21
Covalent Radius
146.00 pm   
38
180.00 pm   
21
Van der Waals Radius
200.00 pm   
28
244.00 pm   
10
Atomic Weight
101.07 amu   
99+
243.00 amu   
20
Atomic Volume
8.30 cm3/mol   
99+
17.86 cm3/mol   
29
Adjacent Atomic Numbers
  
  
Previous Element
Technetium
  
Plutonium
  
Next Element
Rhodium
  
Curium
  
Valence Electron Potential
64.00 (-eV)   
22
44.00 (-eV)   
40
Lattice Constant
270.59 pm   
99+
346.81 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.58   
11
Not Available   
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