Student Task Card: Polarity and Intermolecular Forces #1…
Student Task Card: Polarity and Intermolecular Forces #1… Student Task Card: Polarity and Intermolecular Forces #1https://www.explorelearning.com/index.cfm?method=cResource.dspDetail&ResourceID=1091Activity: What causes bonds to be polar or nonpolar? Just like in a tug-of-war, atoms that are bonded to one another pull on the electrons they share. A neutral atom has the same number of protons as electrons. Atoms that gain electrons become negatively charged, while those that lose electrons become positive. A polarbond forms when shared electrons are pulled closer to one atom than another, causing the bonded atoms to partially charged. In a nonpolar bond, electrons are shared equally.Step 1: Launch the Gizmo and be sure you have selected the first tab labeled BOND POLARITY. Click the box SHOW VALENCE ELECTRONS. Step 2: Drag a metal atom and a nonmetal atom into the center to create the bond. Click PLAYto create the bond. Pay close attention to the color zones and decide if you think the newmolecule has IONIC BONDS, POLAR COVALENT BONDS or NONPOLAR COVALENTBONDS. Drag the bonded atom from the center to the appropriate box; Ionic bond, Polarcovalent bond, Nonpolar covalent bond. The Gizmo will say CORRECT OR INCORRECT.Continue bonding metal and nonmetal atoms to create 8 molecules.Step 3: Drag a nonmetal atom and another nonmetal atom into the center to create the bond.Click PLAY to create the bond. Pay close attention to the color zones and decide if you thinkthe new molecule has IONIC BONDS, POLAR COVALENT BONDS or NONPOLARCOVALENT BONDS. Drag the bonded atom from the center to the appropriate box; Ionicbond, Polar covalent bond, Nonpolar covalent bond. The Gizmo will say CORRECT ORINCORRECT.Continue bonding nonmetal atoms to create 12 molecules.Step 4: Click on the EL Tools to take a SCREENSHOT of your final work and paste below. Beprepared to discuss your results. Describe what you notice about the change in color fromeach individual atom to the final bonded molecule. Describe how the atomic radii change whenthe atoms are bonded.Science Chemistry SCH 4U0
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