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Atomic Structure of Calcium and Terbium

Calcium
Terbium
Atomic Structure of Terbium and Calcium


Atomic Properties
Atomic Number
20   
99+
65   
99+
Electron Configuration
[Ar] 4s2   
[Xe] 4f9 6s2   
Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
FCC-Crystal-Structure-of-Calcium.jpg#100   
HCP-Crystal-Structure-of-Terbium.jpg#100   
Atom
  
  
Number of Protons
20   
99+
65   
99+
Number of Neutrons
20   
99+
94   
36
Number of Electrons
20   
99+
65   
99+
Radius of an Atom
  
  
Atomic Radius
197.00 pm   
6
177.00 pm   
17
Covalent Radius
176.00 pm   
22
194.00 pm   
16
Van der Waals Radius
231.00 pm   
19
221.00 pm   
22
Atomic Weight
40.08 amu   
99+
158.93 amu   
99+
Atomic Volume
29.90 cm3/mol   
7
19.20 cm3/mol   
22
Adjacent Atomic Numbers
  
  
Previous Element
Potassium
  
Gadolinium
  
Next Element
Scandium
  
Dysprosium
  
Valence Electron Potential
29.00 (-eV)   
99+
46.80 (-eV)   
33
Lattice Constant
558.84 pm   
9
360.10 pm   
36
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.58   
13
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