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Atomic Structure of Yttrium and Radium


Atomic Structure of Radium and Yttrium


Atomic Properties

Atomic Number
39   
99+
88   
30

Electron Configuration
[Kr] 4d1 5s2   
[Rn] 7s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   

Crystal Lattice
HCP-Crystal-Structure-of-Yttrium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
39   
99+
88   
30

Number of Neutrons
50   
99+
138   
16

Number of Electrons
39   
99+
88   
30

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
Not Available   

Covalent Radius
190.00 pm   
18
221.00 pm   
3

Van der Waals Radius
200.00 pm   
28
283.00 pm   
4

Atomic Weight
88.91 amu   
99+
226.00 amu   
26

Atomic Volume
19.80 cm3/mol   
21
45.20 cm3/mol   
4

Adjacent Atomic Numbers
  
  

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Strontium
  
Francium
  

Next Element
Zirconium
  
Actinium
  

Valence Electron Potential
48.00 (-eV)   
30
20.10 (-eV)   
99+

Lattice Constant
364.74 pm   
31
514.80 pm   
13

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

Lattice C/A Ratio
1.57   
16
Not Available   

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