Objectives:
(1) Build understanding of trends in the periodic table
Lesson:
(1) Summative assessment on vocabulary list #2 (see list). (2) introduce idea of ions (lose or gain electrons) and sharing atoms (alkali metals ionzie to form +ve ions, halogens add e- to make -ve ions; central part of table shares. (4) Teach family names to students; two unique properties of H. (5) began "Element Family" handout. Did through table drawing on first page. Check drawing next class.
Assignment:
None; next day continue learning ions, covalent molecules, distinguish characteristics of families/groups and periods.