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Atomic Structure of Rubidium and Americium

Rubidium
Americium
Atomic Structure of Americium and Rubidium


Atomic Properties
Atomic Number
37   
99+
95   
23
Electron Configuration
[Kr] 5s1   
[Rn] 5f7 7s2   
Crystal Structure
Body Centered Cubic (BCC)   
Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
DHCP-Crystal-Structure-of-Americium.jpg#100   
Atom
  
  
Number of Protons
37   
99+
95   
23
Number of Neutrons
48   
99+
148   
12
Number of Electrons
37   
99+
95   
23
Radius of an Atom
  
  
Atomic Radius
248.00 pm   
2
173.00 pm   
21
Covalent Radius
220.00 pm   
4
180.00 pm   
21
Van der Waals Radius
303.00 pm   
3
244.00 pm   
10
Atomic Weight
85.47 amu   
99+
243.00 amu   
20
Atomic Volume
55.90 cm3/mol   
2
17.86 cm3/mol   
29
Adjacent Atomic Numbers
  
  
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Gallium
  
Plutonium
  
Next Element
Strontium
  
Curium
  
Valence Electron Potential
9.47 (-eV)   
99+
44.00 (-eV)   
40
Lattice Constant
558.50 pm   
10
346.81 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
Not Available   
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