Answer the questions in the table below about the shape of the xenon tetrafluoride (XeF,) molecule. What word or two-word phrase best describes the shape of the XeF, molecule? What is the angle between the xenon-fluorine bonds? (If there is more than one angle, pick the smallest.)

Quartz crystals are made of silicon dioxide. What is the molecular geometry of silicon dioxide? (*hint* sketch the molecule before answering) O Linear O Bent O Trigonal Pyramidal O Tetrahedral

Predicting and naming the shape of molecules with a central atom.

Answer the questions in the table below about the shape of the xenon tetrafluoride (XeF4) molecule. What word or two-word phrase best describes the shape of the XeF molecule? 4 What is the angle between the xenon-fluorine bonds? (If there is more than one angle, pick the smallest.) 0° X

Answer the questions in the table below about the shape of the tetrachloroiodide (ICIA) What word or two-word phrase best describes the shape of the IC14 anion? What is the angle between the iodine-chlorine bonds? (If there is more than one angle, pick the smallest.) 0. anion.

Answer the questions in the table below about the shape of the tetrachloroiodide ( ICI, ) anion. What word or two-word phrase best describes the shape of the ICI, anion? What is the angle between the iodine-chlorine bonds? (If there is more than one angle, pick the smallest.)

Answer the questions in the table below about the shape of the xenon tetrafluoride (XeF4) molecule. How many electron groups are around the central xenon atom? Note: one "electron group" means one lone pair, one single bond, one double bond, or one triple bond. What phrase best describes the arrangement of these electron groups around the central xenon atom? (You may need to use the scrollbar to see all the choices.) 0 (choose one) (choose one) linear bent T-shaped trigonal planar trigonal pyramidal square planar square pyramidal tetrahedral sawhorse trigonal bipyramidal octahedral

Predict which compound in each of the following pairs shouldhave the higher melting and boiling points (Hint: Write the Lewis structure anddetermine whether the compound is ionic, polar covalent, or nonpolar covalent.):a. C2H6and CH4c. F2and Br2b. CO and NO d. CHCl3and Cl2

14.) Match the molecules with their shapes. what are the shapes for moleculles below Group of answer choices beryllium dichloride       phosphorus trifluoride       chlorine trifluoride       xenon tetrafluoride

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