{| style="width:100%;table-layout:fixed; "
|-
| style="text-align:center; background-color:silver; border:1px solid black;" | [[89|89<br /><small>Actinium</small><br />Ac]]
| style="text-align:center; background-color:silver; border:1px solid black;" | [[90|90<br /><small>Thorium</small><br />Th]]
| style="text-align:center; background-color:silver; border:1px solid black;" | [[91|91<br /><small>Protactinium</small><br />Pa]]
Änderungen – BS-Wiki: Wissen teilen
Änderungen
127 Byte hinzugefügt,
20:24, 15. Jul. 2015