Atoms and Ions
Students explore the similarities and differences between atoms and ions and construct a simple model to demonstrate the difference. They accurately complete a worksheet to demonstrate their grasp of the subject.
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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