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Atomic Structure of Ruthenium and Lanthanum


Atomic Structure of Lanthanum and Ruthenium


Atomic Properties

Atomic Number
44   
99+
57   
99+

Electron Configuration
[Kr] 4d7 5s1   
[Xe] 5d2 6s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Double Hexagonal Close Packed (DHCP)   

Crystal Lattice
rystal-Structure-of-Ruthenium.jpg#100   
DHCP-Crystal-Structure-of-Lanthanum.jpg#100   

Atom
  
  

Number of Protons
44   
99+
57   
99+

Number of Neutrons
57   
99+
82   
99+

Number of Electrons
44   
99+
57   
99+

Radius of an Atom
  
  

Atomic Radius
134.00 pm   
99+
187.00 pm   
8

Covalent Radius
146.00 pm   
38
207.00 pm   
6

Van der Waals Radius
200.00 pm   
28
240.00 pm   
13

Atomic Weight
101.07 amu   
99+
138.91 amu   
99+

Atomic Volume
8.30 cm3/mol   
99+
20.73 cm3/mol   
16

Adjacent Atomic Numbers
  
  

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Rhodium
  
Cerium
  

Valence Electron Potential
64.00 (-eV)   
22
40.71 (-eV)   
99+

Lattice Constant
270.59 pm   
99+
377.20 pm   
28

Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
1.58   
11
1.62   
2

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