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Atomic Structure of Scandium and Europium


Atomic Structure of Europium and Scandium


Atomic Properties

Atomic Number
21   
99+
63   
99+

Electron Configuration
[Ar] 3d1 4s2   
[Xe] 4f7 6s2   

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

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

Atom
  
  

Number of Protons
21   
99+
63   
99+

Number of Neutrons
24   
99+
89   
38

Number of Electrons
21   
99+
63   
99+

Radius of an Atom
  
  

Atomic Radius
162.00 pm   
26
180.00 pm   
14

Covalent Radius
170.00 pm   
25
198.00 pm   
13

Van der Waals Radius
211.00 pm   
25
233.00 pm   
18

Atomic Weight
44.96 amu   
99+
151.96 amu   
99+

Atomic Volume
15.00 cm3/mol   
34
28.90 cm3/mol   
8

Adjacent Atomic Numbers
  
  

Previous Element
Calcium
  
Samarium
  

Next Element
Titanium
  
Gadolinium
  

Valence Electron Potential
58.00 (-eV)   
24
45.60 (-eV)   
35

Lattice Constant
330.90 pm   
99+
458.10 pm   
17

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

Lattice C/A Ratio
1.59   
7
Not Available   

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