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Atomic Structure of Lawrencium and Actinium


Atomic Structure of Actinium and Lawrencium


Atomic Properties

Atomic Number
103   
15
89   
29

Electron Configuration
[Rn] 5f14 7s2 7p1   
[Rn] 6d1 7s2   

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

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

Atom
  
  

Number of Protons
103   
15
89   
29

Number of Neutrons
157   
7
138   
16

Number of Electrons
103   
15
89   
29

Radius of an Atom
  
  

Atomic Radius
Not Available   
195.00 pm   
7

Van der Waals Radius
246.00 pm   
8
Not Available   

Atomic Weight
266.00 amu   
12
227.00 amu   
25

Atomic Volume
Not Available   
22.54 cm3/mol   
11

Adjacent Atomic Numbers
  
  

Previous Element
Nobelium
  
Radium
  

Next Element
Thorium
  

Valence Electron Potential
Not Available   
38.60 (-eV)   
99+

Lattice Constant
Not Available   
567.00 pm   
8

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

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