| skos:altLabel | - Dirac equation
- Bohr model
- Extended periodic table § Superactinides
- Extended periodic table#Beyond element 172
- Extended periodic table#Electron configurations
- Extended periodic table#Elements 157 to 166
- Extended periodic table#Elements 167 to 172
- Extended periodic table#End of the periodic table
- Extended periodic table#Fricke
- Extended periodic table#Pyykkö
- Extended periodic table#Superactinides
- Extended periodic table#\"Eka-superactinides\"
- Extended_periodic_table#Beyond_element_172
- beyond these seven rows
- electron configuration of superheavy elements
- extended periodic table
- heaviest possible chemical element
- lighter undiscovered elements
- period 8 elements
- undiscovered nuclides
- very high atomic numbers
- Extended periodic table#Elements above the atomic number 137
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