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Atomic Structure of Scandium and Roentgenium


Atomic Structure of Roentgenium and Scandium


Atomic Properties

Atomic Number
21   
99+
111   
7

Electron Configuration
[Ar] 3d1 4s2   
[Rn] 5f14 6d9 7s2   

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+
111   
7

Number of Neutrons
24   
99+
161   
3

Number of Electrons
21   
99+
111   
7

Radius of an Atom
  
  

Atomic Radius
162.00 pm   
26
Not Available   

Covalent Radius
170.00 pm   
25
Not Available   

Van der Waals Radius
211.00 pm   
25
Not Available   

Atomic Weight
44.96 amu   
99+
281.00 amu   
6

Atomic Volume
15.00 cm3/mol   
34
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Calcium
  

Next Element
Titanium
  

Valence Electron Potential
58.00 (-eV)   
24
Not Available   

Lattice Constant
330.90 pm   
99+
Not Available   

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

Lattice C/A Ratio
1.59   
7
Not Available   

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