Introduction to Atoms
For this atoms worksheet, students answer four different sets of questions related to atoms (fill in the blank, multiple choice, word puzzle and true and false).
9th - 12th Science 17 Views 16 Downloads
How Electrons Determine Chemical Behaviors
Lead the class on an investigation as they play detective and locate patterns in the electron arrangement of atoms. During the seventh lesson, they assign valence numbers to elements, organize the periodic table in the correct sequence,...
7th - 12th Science
Periods and Groups; Valence Electrons; Masses
In this elements activity, students read how the elements are organized in periods and groups in the periodic table. Students use the periodic table to find the valence electrons and calculate molecular mass. This activity has 20 fill in...
9th - 12th Science