Curated OER
Group 7, The Halogens
The ten slides in this presentation make a consice introduction to the halogen group of the periodic table of elements. The location of the group is displayed, and then the characteristics of the different halogen group members are...
Curated OER
Atoms, Molecules and their Names
For this chemistry worksheet, students name the periodic table families and calculate atomic masses of elements to complete 9 questions.