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Atomic Structure of Scandium and Einsteinium


Atomic Structure of Einsteinium and Scandium


Atomic

Atomic Number
21  
99+
99  
19

Electron Configuration
[Ar] 3d1 4s2  
[Rn] 5f11 7s2  

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

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

Atom
  
  

Number of Protons
21  
99+
99  
19

Number of Neutrons
24  
99+
153  
10

Number of Electrons
21  
99+
99  
19

Radius of an Atom
  
  

Atomic Radius
162.00 pm  
28
186.00 pm  
11

Covalent Radius
170.00 pm  
27
186.00 pm  
21

Van der Waals Radius
211.00 pm  
32
0.00 pm  
99+

Atomic Weight
44.96 amu  
99+
252.00 amu  
16

Atomic Volume
15.00 cm3/mol  
99+
17.04 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Calcium
  

Next Element
Titanium
  
Fermium
  

Valence Electron Potential
58.00 (-eV)  
25
0.00 (-eV)  
99+

Lattice Constant
330.90 pm  
99+
582.00 pm  
8

Lattice Angles
π/2, π/2, 2 π/3  
-  

Lattice C/A Ratio
1.59  
24
1.29  
99+

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