Asked by Matt
Why are the lanthanides and actinides moved out of numerical order and placed at the bottom of the periodic table?
They aren't always, but for most periodic tables, the width would be very long, and it wouldn't fit very well on an eight by eleven piece of paper.
Look at the expanded form on the bottom:
http://www.theschemata.com/conventional_periodic_table.html
They aren't always, but for most periodic tables, the width would be very long, and it wouldn't fit very well on an eight by eleven piece of paper.
Look at the expanded form on the bottom:
http://www.theschemata.com/conventional_periodic_table.html
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