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 17 elements are called
Halogens
Halogens are the most reactive nonmetals on the periodic table
Reactivity increases as you move up the group. Fluorine is the most reactive of the group
All have 7 valence electrons in their outermost energy level