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Periodic Table of Elements
Lanthanides & Actinides
- Mendelevium Md
- Nobelium No
- Lawrencium Lr
- Rutherfordium Rf
- Dubnium Db
- Seaborgium Sg
- Bohrium Bh
- Hassium Hs
- Meitnerium Mt
- Darmstadtium Ds
- Roentgenium Rg
- Copernicium Cn
- Nihonium Nh
- Flerovium Fl
- Moscovium Mc
- Livermorium Lv
- Tennessine Ts
- Oganesson Og
Note: For a lightweight page, masses are typical standard atomic weights; bracketed values are most stable isotopes for predominantly radioactive elements.