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Atomic Structure of Osmium and Calcium


Atomic Structure of Calcium and Osmium


Atomic Properties

Atomic Number
76   
40
20   
99+

Electron Configuration
[Xe] 4f14 5d6 6s2   
[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
76   
39
20   
99+

Number of Neutrons
114   
25
20   
99+

Number of Electrons
76   
39
20   
99+

Radius of an Atom
  
  

Atomic Radius
133.80 pm   
99+
197.00 pm   
6

Covalent Radius
Not Available   
176.00 pm   
22

Van der Waals Radius
216.00 pm   
24
231.00 pm   
19

Atomic Weight
190.23 amu   
35
40.08 amu   
99+

Atomic Volume
8.49 cm3/mol   
99+
29.90 cm3/mol   
7

Adjacent Atomic Numbers
  
  

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Rhenium
  
Potassium
  

Next Element
Iridium
  
Scandium
  

Valence Electron Potential
91.40 (-eV)   
12
29.00 (-eV)   
99+

Lattice Constant
273.44 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
1.58   
14
Not Available   

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