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Atomic Structure of Lutetium and Calcium

Lutetium
Calcium
Atomic Structure of Calcium and Lutetium


Atomic Properties
Atomic Number
71   
99+
20   
99+
Electron Configuration
[Xe] 6s2 4f14 5d1   
[Ar] 4s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Calcium.jpg#100   
Atom
  
  
Number of Protons
71   
99+
20   
99+
Number of Neutrons
104   
30
20   
99+
Number of Electrons
71   
99+
20   
99+
Radius of an Atom
  
  
Atomic Radius
174.00 pm   
20
197.00 pm   
6
Covalent Radius
187.00 pm   
20
176.00 pm   
22
Van der Waals Radius
221.00 pm   
22
231.00 pm   
19
Atomic Weight
174.97 amu   
40
40.08 amu   
99+
Atomic Volume
17.78 cm3/mol   
30
29.90 cm3/mol   
7
Adjacent Atomic Numbers
  
  
Previous Element
Ytterbium
  
Potassium
  
Next Element
Hafnium
  
Scandium
  
Valence Electron Potential
50.90 (-eV)   
26
29.00 (-eV)   
99+
Lattice Constant
350.31 pm   
99+
558.84 pm   
9
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.59   
10
Not Available   
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