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Covalent Bonds (Gizmo)

Students learn about covalent bonds where atoms share electrons to complete their outer shells, using examples like exchanging markers to understand electron sharing for stability.

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Name: SohaDale: FEB/15/24Student Exploration: Covalent BondsVocabulary:covalent bonddiatomic moleculeLewis diagram, moleculenoble gasses,nonmetal, octet rule, shell, valence, valence electronPriorKnowledge Questions(Do theseBEFOREusing the Gizmo.)1.There are eight markers in a lull set. but Flora andFrankeach only have seven markers.Flora is missing the red markerandFrankis missingtheblue marker. What can they do sothat each has a full set of markers?a.flora can give frank her blue marker and frank can give florahis red marker2.Otto and Olivia each have six markers. Otto is missing the purple and green markers, andOlivia is missing the black and brown markers. What can they do so that each has a full set?a.oliva can give both his purple and green marker to otto, whileotto can give her brown and black marker to olivaGizmo Warm-upJust like the students described above,nonmetalatomscan share electrons. As you will see in the Covafenf BondsGizmo, atoms form bonds in this way.To begin, check that Fluorine is selected from the Select asubstance menu. Click Play (* ) Io see the electronsorbiting the nucleus of each atom.1.The outermost electrons in each atom are calledvalenceelectrons. How many valenceelectrons does each fluorine atom have?a.7.2.Click Pause ( " ). Drag a valence electron fromtheleftatomIo the right atom. ClickPlay.What happens?a.The electron shells spin clockwise in a synchronous motion3.Click Pause, drag a valence electron from the right atom to the left, and then click Play.a.What happens now?i.The motion remains the same, except now there is another oval-like shelloverlapping both of the atoms, the valence atom spirals on thecircumference of the oval.

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Chemistry

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