The Periodic Table
Home
Introduction
Group 1
Group 2
Group 17
Group 18
Metalloids
Transition Metals
Lanthanides and Actinides
Metals vs. Nonmetals
Home
Introduction
Group 1
Group 2
Group 17
Group 18
Metalloids
Transition Metals
Lanthanides and Actinides
Metals vs. Nonmetals
Group 1 is called the
Alkali Metals
Alkali metals are the most reactive metals on the table.
Hydrogen is in this group but is not a metal, because it has 1 valence electron.
Elements get more reactive as you move down a group. Lithium is the least reactive in the group and Francium is the most reactive.