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Atomic Structure of Rubidium and Calcium

Rubidium
Calcium
Atomic Structure of Calcium and Rubidium


Atomic Properties
Atomic Number
37   
99+
20   
99+
Electron Configuration
[Kr] 5s1   
[Ar] 4s2   
Crystal Structure
Body Centered Cubic (BCC)   
Face Centered Cubic (FCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Calcium.jpg#100   
Atom
  
  
Number of Protons
37   
99+
20   
99+
Number of Neutrons
48   
99+
20   
99+
Number of Electrons
37   
99+
20   
99+
Radius of an Atom
  
  
Atomic Radius
248.00 pm   
2
197.00 pm   
6
Covalent Radius
220.00 pm   
4
176.00 pm   
22
Van der Waals Radius
303.00 pm   
3
231.00 pm   
19
Atomic Weight
85.47 amu   
99+
40.08 amu   
99+
Atomic Volume
55.90 cm3/mol   
2
29.90 cm3/mol   
7
Adjacent Atomic Numbers
  
  
Previous Element
Gallium
  
Potassium
  
Next Element
Strontium
  
Scandium
  
Valence Electron Potential
9.47 (-eV)   
99+
29.00 (-eV)   
99+
Lattice Constant
558.50 pm   
10
558.84 pm   
9
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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