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Atomic Structure of Rubidium and Beryllium

Rubidium
Beryllium
Atomic Structure of Beryllium and Rubidium


Atomic Properties
Atomic Number
37   
99+
4   
99+
Electron Configuration
[Kr] 5s1   
[He] 2s2   
Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Beryllium.jpg#100   
Atom
  
  
Number of Protons
37   
99+
4   
99+
Number of Neutrons
48   
99+
5   
99+
Number of Electrons
37   
99+
4   
99+
Radius of an Atom
  
  
Atomic Radius
248.00 pm   
2
112.00 pm   
99+
Covalent Radius
220.00 pm   
4
96.00 pm   
99+
Van der Waals Radius
303.00 pm   
3
153.00 pm   
99+
Atomic Weight
85.47 amu   
99+
9.01 amu   
99+
Atomic Volume
55.90 cm3/mol   
2
5.00 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Gallium
  
Lithium
  
Next Element
Strontium
  
Sodium
  
Valence Electron Potential
9.47 (-eV)   
99+
82.00 (-eV)   
15
Lattice Constant
558.50 pm   
10
228.58 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
1.57   
18
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