Home

Transition Metals + -

Actinide Metals + -

Lanthanide Metals + -

Post-Transition Metals + -

Alkaline Earth Metals + -

Compare Metals


Atomic Structure of Thallium and Holmium


Atomic Structure of Holmium and Thallium


Atomic Properties

Atomic Number
81   
35
67   
99+

Electron Configuration
[Xe] 4f14 5d10 6s2 6p1   
[Xe] 4f11 6s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   

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

Atom
  
  

Number of Protons
81   
35
67   
99+

Number of Neutrons
123   
20
98   
34

Number of Electrons
81   
35
67   
99+

Radius of an Atom
  
  

Atomic Radius
170.00 pm   
22
176.00 pm   
18

Covalent Radius
145.00 pm   
39
192.00 pm   
17

Van der Waals Radius
196.00 pm   
30
216.00 pm   
24

Atomic Weight
204.38 amu   
31
164.93 amu   
99+

Atomic Volume
17.20 cm3/mol   
31
18.70 cm3/mol   
24

Adjacent Atomic Numbers
  
  

Previous Element
Mercury
  
Dysprosium
  

Next Element
Lead
  
Erbium
  

Valence Electron Potential
9.60 (-eV)   
99+
47.90 (-eV)   
31

Lattice Constant
345.66 pm   
99+
357.73 pm   
38

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

Lattice C/A Ratio
1.60   
6
1.57   
17

Mechanical >>
<< Chemical

Compare Post Transition Metals

Post-Transition Metals

Post-Transition Metals

» More Post-Transition Metals

Compare Post Transition Metals

» More Compare Post Transition Metals