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Atomic Structure of Calcium and Rubidium


Atomic Structure of Rubidium and Calcium


Atomic Properties

Atomic Number
20   
99+
37   
99+

Electron Configuration
[Ar] 4s2   
[Kr] 5s1   

Crystal Structure
Face Centered Cubic (FCC)   
Body Centered Cubic (BCC)   

Crystal Lattice
FCC-Crystal-Structure-of-Calcium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
20   
99+
37   
99+

Number of Neutrons
20   
99+
48   
99+

Number of Electrons
20   
99+
37   
99+

Radius of an Atom
  
  

Atomic Radius
197.00 pm   
6
248.00 pm   
2

Covalent Radius
176.00 pm   
22
220.00 pm   
4

Van der Waals Radius
231.00 pm   
19
303.00 pm   
3

Atomic Weight
40.08 amu   
99+
85.47 amu   
99+

Atomic Volume
29.90 cm3/mol   
7
55.90 cm3/mol   
2

Adjacent Atomic Numbers
  
  

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Potassium
  
Gallium
  

Next Element
Scandium
  
Strontium
  

Valence Electron Potential
29.00 (-eV)   
99+
9.47 (-eV)   
99+

Lattice Constant
558.84 pm   
9
558.50 pm   
10

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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