Where are Scandium and Yttrium on the extended periodic table?

Thanks for the A2A! Either, really. While I understand this is not an extended periodic table, it shows how the two low rows are inserted into the table. If you visualise that, your top image would be most correct. read more

While I understand this is not an extended periodic table, it shows how the two low rows are inserted into the table. If you visualise that, your top image would be most correct. However, the bottom image is not wrong; it shows the elements in the same rows, just in different columns. read more

This version of the periodic table is an example of the extended periodic table. The usual periodic table shows the lanthanides and actinides below the rest of the table and the two spots below scandium and yttrium are marked with placeholders. read more