molecular geometry (practice) Exam Questions And Answers Graded A+!!!

Select the electron domain geometry and the molecular geometry for an ammonia molecule, NH3. Check all of the boxes that apply. You may use the periodic table if needed. trigonal-planar electron domain geometry trigonal-planar molecular geometry trigonal-pyramidal electron domain geometry trigonal-pyramidal molecular geometry tetrahedral electron domain geometry tetrahedral molecular geometry - ANS Trigonal-pyramidal molecular geometry tetrahedral electron domain geometry Which of the following describe hybrid atomic orbitals? Check all of the boxes that apply. a mixture of all atomic orbitals in an atom a mixture of the valence orbitals in an atom There are as many hybrid orbitals as there are electrons in an atom. There are as many hybrid orbitals as there are valence electrons in an atom. There are as many hybrid orbitals as there are valence orbitals that mix together. have a different shape and a different energy than the atomic orbitals of which they are made have the same shape but a different energy than the atomic orbitals of which they are made - ANS a mixture of the valence orbitals in an atom there are as many hybrid orbitals as there are electrons in an atoms have a different shape and a different energy than the atomic orbitals _____hybrid orbitals form when one s- and two p-orbitals mix. The resulting electron domain geometry is _____ If one of the hybrid orbitals is filled with a lone pair of electrons, a ______ geometry forms when the atoms bond with other atoms. - ANS Three sp^2 trigonal planar bent A carbon atom that is surrounded by four hydrogen atoms has a ____ molecular geometry. This geometry results from the arrangement of the ____- hybrid orbitals around the carbon atom. They are formed when the s-orbital and ____ orbitals mix, or hybridize. - ANS tetrahedral four sp^3 three P BeCl2 bent linear tetrahedral NH3 tetrahedral trigonal planar trigonal pyramidal - ANS Bent trigonal pyramidal BCl3 tetrahedral trigonal planar trigonal pyramidal SH2 bent linear tetrahedral - ANS trigonal planar bent CH2Cl2 bent linear tetrahedral PI3 trigonal planar trigonal pyramidal tetrahedral - ANS tetrahedral trigonal pyramidal NO2 bent linear trigonal planar SF6 octahedral trigonal bipyramidal tetrahedral - ANS bent octahedral A molecule that has a trigonal-planar shape has____ lone pairs A molecule that has a bent shape and a trigonal-planar electron domain shape has___ lone pairs. A molecule that has a trigonal-pyramidal shape has ___ atoms and ___lone pair around the central atom. - ANS zero one three;one A molecule with two atoms and no lone pairs around the central atom has a ____ shape. A molecule with four atoms and no lone pairs around the central atom has a _____ shape. A molecule that has two atoms and two lone pairs around the central atom has a _____ shape. A molecule that has five atoms and no lone pairs around the central atom has a ____shape. - ANS linear tetrahedral bent trigonal- bipyramidal