Northern Virginia Community College – CHM 111 Chemistry 1 - Molecular Geometry Worksheet _ converting a molecular formula to a molecular shape

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Northern Virginia Community College – CHM 111 Chemistry 1 - Molecular Geometry Worksheet converting a molecular formula to a molecular shape ps in converting a molecular formula to a molecular shap... e Step 1 – Write the Lewis structure from the molecular formula. Step 2 – Assign an electron-group arrangement by counting all electron groups (bonding plus nonbonding) around the central atom (or around each central atom, if more than one central atom in structure). Step 3 – Predict the ideal bond angle from the electron-group arrangement and the effect of any deviation caused by lone pairs or double bonds. Step 4 – Name the molecular shape by counting bonding groups and nonbonding groups separately. Step 5 – Predict whether the molecule is polar or nonpolar Step 6 – Describe the hybridization around the central atom and identify the total number of σ and π bonds in the structure. [Show More]

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