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. Pop quiz worksheet to be turned in. You have five minutes to answer five questions. For each, four elements are listed here. Three of them have something in common that the fourth one does not. . Which one of these things just doesn't belong here . Afterwards, do the one on the board . Lecture/discussion time. Compare atomic radii as you move down and across. Compare Atoms compared to their ion Compare reactivity Compare electronegativity . This will probably take more then 10 minutes. . Have a worksheet ready to see if they see, which is larger? which is bigger? Which is whatever? . . Remember to go over them and turn them in, if we have time.
 * Act One (Entry Task)**
 * Act Two (Anticipatory Set, Modelling, Demonstration)**
 * Act Three (Lecture/Notes/Reading)**
 * Act Four (Lecture/Notes/Reading)**
 * Act Five: (Guided Practice)Act Six: (Independent Practice/Closure)**
 * Act Six (Independent Practice/Closure)**