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Atomic Structure of Calcium and 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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