Modern Chemistry, Lesson 86: Reactivities of Atoms and the Periodic Table

Duration: 30 min

Creator: Encyclopaedia Britannica Educational Corporation

Description: Compared in Lesson 85 the atoms (and their ions) in two horizontal series in the Periodic Table. In this lesson comparisons are made between atoms (and their ions) in vertical columns of the Table. Shows some of the effects of amount of charge on ions and on the sizes of ions in the melting points and hardness of ionic compounds. Also shows the effects of charge and size by the work required to remove one or more electrons from sodium magnesium and aluminum.

Metadata Source:Catalog of Classroom Teaching Films for Georgia Schools, No. 10 (Georgia Department of Education)