Home
Compare Metals


Atomic Structure of Actinium and Thallium


Atomic Structure of Thallium and Actinium


Atomic Properties

Atomic Number
89   
29
81   
35

Electron Configuration
[Rn] 6d1 7s2   
[Xe] 4f14 5d10 6s2 6p1   

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

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

Atom
  
  

Number of Protons
89   
29
81   
35

Number of Neutrons
138   
16
123   
20

Number of Electrons
89   
29
81   
35

Radius of an Atom
  
  

Atomic Radius
195.00 pm   
7
170.00 pm   
22

Covalent Radius
Not Available   
145.00 pm   
39

Van der Waals Radius
Not Available   
196.00 pm   
30

Atomic Weight
227.00 amu   
25
204.38 amu   
31

Atomic Volume
22.54 cm3/mol   
11
17.20 cm3/mol   
31

Adjacent Atomic Numbers
  
  

Previous Element
Radium
  
Mercury
  

Next Element
Thorium
  
Lead
  

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

Lattice Constant
567.00 pm   
8
345.66 pm   
99+

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

Lattice C/A Ratio
Not Available   
1.60   
6

Mechanical >>
<< Chemical

Compare Actinide Series

Actinide Metals

Actinide Metals

» More Actinide Metals

Compare Actinide Series

» More Compare Actinide Series