Elements in group 1 and group 2 are metals ... See the study guide on groups in the periodic table for more information.

The alkali metals have a single electron in their outer shell, which makes them highly reactive with oxygen, water and halogens, and also means that their oxidation state never exceeds +1. As you move ...

In this periodic table of elements quiz, you have 10 minutes to name as many elements as you can, given only their symbol, ...