Need some extra help? Here is a good periodic table review
Why are those two periods/rows alone below the table?
To save space the actinides and lanthanide groups are pulled out and stuck below
The periodic table really looks like this. Too long to fit nicely on a page.
Other fun periodic type data bases arranged by number and properties
like this one on the web's largest information design community -
(Image: North Arizona University)
Create your own unique website with customizable templates.