VSEPR Model Pi and Sigma Bonds and diagrams Molecular Shapes ? Potpourri $ 200 $ 200$200 $ 200 $ 200 $400 $ 400$400 $ 400$400 $600 $ 600$600 $ 600 $ 600 $ 600 $800 $ 800$800 $ 800 $ 800 $ 800 $ 1000$1000 $ 1000 $ 1000 $ 1000 $ 1000

Final Jeopardy Final Jeopardy “types”

Final Jeopardy Categorize the bond strengths and lengths of double, triple and single bonds. Triple-shortest/strongest—single longest/weakest— double in between

$200 Trigonal Pyramidal, Tedrahedral State the molecular geometry and then the electron geometry of Phosphorus tri hydride

$ , linear, sp What is the “count” and shape and hybridizaton of CO 2 below

$600 B—4-2-2—bent-- sp 3 Which is correct below? What is the “count”, hybridization, and shape?

$800 Electrons will spread themselves as far apart as possible for bonding making predictable shapes. What is the purpose of VSEPR.

$ sp 2--- trigonal planar What is the “count”, hybridization, and shape?

$200 7 sigma and 0 pi How many sigma and pi bonds?

$400 sigma What kind of bond?

$600 Double and Triple Which type of bonds cannot “spin”?

$800 question How many sigma and pi bonds? 5 sigma and 1 pi

$ sigma and 2 pi question How many sigma and pi bonds?

$200 MG = shape of molecules EG=includes unpaired set of electrons. What is the main difference between molecular and electron geometry

$400 Pz In a double bond, which orbital is labeled as the pi orbital.

$600 3 bonds- 1 sigma, 2 pi Describe a triple bond in terms of pi and sigma.

$800 H-C=C-H Draw 2 carbons with a triple bond, show hydrogens

$1000 Using an arrow diagram, show the bonding atoms of C and then show them hybridized.

$ and linear What is the “count” and molecular shape of BeCl 2

$ degrees What is the angle between atoms in a trigonal planer molecule?

$600 2 bonded and 2 unbonded How many bonded and unbonded pairs of electrons in water?

$800 Valence Pair Electron Pair Repulsion (theory) What do the letters VSEPR stand for?

$ electrons and 6 bonds How many electrons (total) and bonds in SF 6

$200 Ethyne, acetylene Give two names for this compound

$400 Single bond, covalent, because of overlapping orbitals. Define: Sigma Bond

$ What is the “count” for this molecule?

$800 Trigonal pyramidal, tetrahedral, Trigonal planar, bent, linear, variable depending upon the atom Name the molecular shape and count starting from upper left-clockwise. Do not use your notes.

$1000 no resonance Finish this diagram and does it do resonance?

$200 Shielding, farther down from top of table Why can Xe make bonds with F?

$400 NOFClBrI Name the Boot elements

$600

$800 Dalton, Thompson, Rutherford and Bohr…Schrödinger, and Heisenberg, Name the 1 st five scientists in “The Atom Song”

$1000 1s 2 2s 2 2p 6 3s 2 3p 2 and [Ne] 3s 2 3p 2 Long and short electron configuration for silicon.

Daily Double sp 3 What is the hybridization of PCl 3

The Jeopardy champion!