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Part d which do you expect to exist in the gas phase

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Li2LiLiHelpResetLi2Li2+Li2Li2+Li2bond order for,= 0.5,0.5Li2+Li2bond orderLi2+Li2===bonding orbital electrons − antibonding orbital electrons2= 0.53−22= 0.54−32↑↓VSEPR and MO Diagrams Workshop Activity - April 22nd...
19 of 384/23/2021, 9:00 PM
Part DWhich do you expect to exist in the gas phase.Check all that apply.
CorrectA bond is stable when its bond order is greater than 0; therefore, a stable bond can be formed between the two lithium atoms in both molecular ions. Sincethe bonds are stable, it should be possible to observe both molecular bonds in the gas phase.
PhET Simulation - Molecule ShapesThe shapes of molecules depend on the number of electron groups that surround a central atom. For molecules in which all electrons around the central atom areparticipating in bonding, the molecular geometry is the same as the electron geometry, and the molecular shapes are linear, trigonal planar, tetrahedral, trigonalbipyramidal, and octahedral. However, nonbonded electrons, which wouldn't be observed in the molecular geometry, affect the overall distribution of electron groups;therefore, the molecular and electron geometries will be different when nonbonding electrons are present.This can be exemplified in the case of ammonia,. Ammonia has three bonding groups, but it will not exhibittrigonal planargeometry because the lone pair ofelectrons exerts a repulsive force. There are four electron groups (three bonding groups and one nonbonding group) in ammonia, which means that the electrongeometry will betetrahedral. When only the molecular structure is examined, the lone pair is not seen, and the molecular geometry will adopt a more pyramidal structurethat can be seen in the image below (trigonal pyramidal).Electron geometry ofis tetrahedralMolecular geometry ofis trigonal pyramidalThevalence-shell electron-pair repulsion(VSEPR) model encompasses the geometries that result from the various interactions that occur between electron groups (alsocalledelectron domains) and the relative repulsive forces exerted by each type of electron group (lone pair, single bond, double bond, and triple bond). VSEPR modelsalso predict both the electron and molecular geometries, but not all reference charts may indicate bond angles.Click on the image toexplore this simulation, which allows you to build molecules with lone pairs and various types of bonds while showing the resulting geometries.When you click the simulation link, you may be asked whether to run, open, or save the file. Choose to run or open it.When the simulation is opened, you will the option forModelorReal Moleculesmodes. In theModelmode, you can add single, double, and triple bonds as well asremove them using theBondingbox. Lone pairs can be added or removed using theLone Pairbox. If you want to easily reset the molecule, click theRemove Allbutton to have just the central atom displayed. There are also checkbox options for showing lone pairs and bonding angles (when they exist) and the applicableMolecule GeometryandElectron Geometry. In theReal Moleculesmode, you have the same options that existed in theModelmode, but the displayed molecule isselected from a dropdown menu. The radio buttons labeledRealandModelthat are centered at the top alters the display in the following manner: The color of each

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Term
Spring
Professor
CHURCHILL
Tags
Atom, Electron, Molecule, Chemical bond

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