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  1. Polarity Worksheet. For each of the following pairs of molecules, determine which is most polar and explain your reason for making this choice: carbon disulfide. nitrogen trichloride. boron trihydride. chlorine. silicon dioxide. methane. silicon tetrabromide.

  2. Polarity & Chemical Bonds Worksheet. 1. How are ionic bonds and covalent bonds different? 2. How does a polar covalent bond differ from a covalent bond? 3. How do electronegativity values help us determine the polarity of a bond? 4. For each of the following molecules, label the part is partially positive (δ+) and partially negative (δ-).

  3. Explain the difference between a nonpolar covalent bond, a polar covalent bond, and an ionic bond. Answer nonpolar covalent: electronegativity difference is less than 0.4 (nonmetal+nonmetal close together on the periodic table)

  4. Molecular Polarity Worksheet. Fill in the table below. Here are the available choices: LEWIS DOT DIAGRAM: draw dot diagram of molecule. ANY POLAR BONDS?: yes or no (if any bond between 2 atoms is polar) ALL POLAR BONDS THE SAME?: yes or no. MOLECULAR SHAPE: use VSEPR chart. SYMMETRICAL?: yes or no.

  5. Name: Period: Seat#: pairs write the name or formula if it is missingDraw the Lewis structure *Don’t forget to take into a. the molecules!*Identify the molecular geometryIdentify any polarity present with one of the ways you were s. wn in class – USE A DIFFERENT COLOR TO DO THIS!For each pair - determine which is MOST polar, highlight name ...

  6. Draw Lewis structures, name shapes and indicate polar or non-polar for the following molecules: CH4. NCl3. CCl2F2. CF2H2. CH2O. CHN. PI3. N2O.

  7. Polarity Practice Worksheet - Solutions. For each of the following pairs of compounds, determine which is most polar based on their Lewis structures. Since chlorine is more electronegative than bromine, the molecule has a higher polarity.