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Atomic Structure of Actinium and Potassium


Atomic Structure of Potassium and Actinium


Atomic Properties

Atomic Number
89   
29
19   
99+

Electron Configuration
[Rn] 6d1 7s2   
[Ar] 4s1   

Crystal Structure
Face Centered Cubic (FCC)   
Body Centered Cubic (BCC)   

Crystal Lattice
FCC-Crystal-Structure-of-Actinium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
89   
29
19   
99+

Number of Neutrons
138   
16
20   
99+

Number of Electrons
89   
29
19   
99+

Radius of an Atom
  
  

Atomic Radius
195.00 pm   
7
227.00 pm   
3

Covalent Radius
Not Available   
203.00 pm   
9

Van der Waals Radius
Not Available   
275.00 pm   
5

Atomic Weight
227.00 amu   
25
39.10 amu   
99+

Atomic Volume
22.54 cm3/mol   
11
45.46 cm3/mol   
3

Adjacent Atomic Numbers
  
  

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Radium
  
Aluminium
  

Next Element
Thorium
  
Calcium
  

Valence Electron Potential
38.60 (-eV)   
99+
10.40 (-eV)   
99+

Lattice Constant
567.00 pm   
8
532.80 pm   
12

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

Lattice C/A Ratio
Not Available   
Not Available   

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