Info

Francium 87

V Fr

Radium

Actinium

Rutherfordium 104 Rf

Dubnium 105 Db

Seaborgium 106 ©

Sg w

Bohrium 107 Bh

Hassium 108 Hs

Meitnerium 109 Mt

The number in parentheses is the mass number of the longest-lived isotope for that element.

The arrow shows where these elements would fit into the periodic table. They are moved to the bottom of the table to save space.

Lanthanide series

Actinide series

Cerium

Praseodymium

Neodymium

Promethium

Samarium

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