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Atomic Structure of Yttrium and Einsteinium


Atomic Structure of Einsteinium and Yttrium


Atomic

Atomic Number
39  
99+
99  
19

Electron Configuration
[Kr] 4d1 5s2  
[Rn] 5f11 7s2  

Crystal Structure
Hexagonal Close Packed (HCP)  
Face Centered Cubic (FCC)  

Crystal Lattice
HCP-Crystal-Structure-of-Yttrium.jpg#100  
FCC-Crystal-Structure-of-Einsteinium.jpg#100  

Atom
  
  

Number of Protons
39  
99+
99  
19

Number of Neutrons
50  
99+
153  
10

Number of Electrons
39  
99+
99  
19

Radius of an Atom
  
  

Atomic Radius
180.00 pm  
16
186.00 pm  
11

Covalent Radius
190.00 pm  
18
186.00 pm  
21

Van der Waals Radius
200.00 pm  
35
0.00 pm  
99+

Atomic Weight
88.91 amu  
99+
252.00 amu  
16

Atomic Volume
19.80 cm3/mol  
33
17.04 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Strontium
  

Next Element
Zirconium
  
Fermium
  

Valence Electron Potential
48.00 (-eV)  
31
0.00 (-eV)  
99+

Lattice Constant
364.74 pm  
34
582.00 pm  
8

Lattice Angles
π/2, π/2, 2 π/3  
-  

Lattice C/A Ratio
1.57  
39
1.29  
99+

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