Number of Molecule valence electrons Formal Charge Electron-Group Geometry Molecular Geometry Resonance HOCI 14 O: 2- Select one ... O: Select one .. Select one ... GEHATCII Ge: Ge: Select one .. Ge: Select one ... Select one .. v SAts S: S: Select one ... S: Select one ... Select one .. SbAt2Cl2* Sb: Sb: Select one Sb: Select one.. Select one PCI4* P: P: Select one ... P: Select one . Select one . 00

Number of Molecule valence electrons Formal Charge Electron-Group Geometry Molecular Geometry Resonance HOCI 14 O: 2- Select one ... O: Select one .. Select one ... GEHATCII Ge: Ge: Select one .. Ge: Select one ... Select one .. v SAts S: S: Select one ... S: Select one ... Select one .. SbAt2Cl2* Sb: Sb: Select one Sb: Select one.. Select one PCI4* P: P: Select one ... P: Select one . Select one . 00

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter9: Covalent Bonding: Orbitals

Section: Chapter Questions

Problem 3ALQ: Compare Figs. 4-47 and 4-49. Why are they different? Because B2 is known to be paramagnetic, the 2p...

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Use Figs. 4-54 and 4-55 to answer the following questions. a. Would the bonding molecular orbital in HF place greater electron density near the H or the F atom? Why? b. Would the bonding molecular orbital have greater fluorine 2p character, greater hydrogen 1s character, or an equal contribution from both? Why? c. Answer the previous two questions for the antibonding molecular orbital in HF.
Consider the following flat drawing of methane (CH4) . a. What is HCH bond angle implied by this drawing if you assume it is flat? b. Are the electron domains of this flat CH4 spread out as much as possible? c. Use model materials to make a model of CH4 (methane). If you assembled it correctly, thefour bonds (bonding electron domains) of your model will be 109.5° apart. d. In which representation, the drawing above or the model in your hand (circle one) are theH’s of CH4 more spread out around the central carbon? e. Confirm that your model looks like the following drawing. The wedgebond represents a bond coming out of the page, and the dash bondrepresents a bond going into the page f. You will often see methane drawn as if it were flat (like on the previous page). Why is thismisleading, and what is left to the viewer’s imagination when looking at such a drawing?
Compare Figs. 4-47 and 4-49. Why are they different? Because B2 is known to be paramagnetic, the 2p and 2p molecular orbitals must be switched from the first prediction. What is the rationale for this? Why might one expect the 2p to be lower in energy than the 2p? Why cant we use diatomic oxygen to help us decide whether the 2p, or 2p, is lower in energy?
Number of Molecule valence electrons Formal Charge Electron-Group Geometry Molecular Geometry Resonance GaAtBr3 Ga: Ga: Select one ... Ga: Select one ... Select one... v GAHCII Ga: Ga: Select one ... Ga: Select one ... Select one ... v SÜHF3* Sb: Sb: Select one ... Sb: Select one ... Select one ... ASF5 As: As: Select one... As: Select one ... Select one... AIHF3 Al: Al: Select one ... Al: Select one ... Select one ... > > >
harks People Tab Window Help nd Tap Cengage Learning Use The Molecular OrbitalEne: X + evo/index.html?deploymentld%3D55750828934189288909969212&elSBN=97813056... INDTAP Use the References to access important values if needed for this question. What atomic or hybrid orbitals make up the T bond between C, and C, in propyne, CHCCH3? (C, is the first carbon in the formula as written.) orbital on C+ orbital on C2 How many o bonds does C, have in CHCCH3? How many TI bonds does C, have?
Molecule or Polyatomic BrF5 2- SiO3² NH4CIO₂ K3PO4 Lewis structure 3 K+ F Br. H H-N-H H .. ܀ :O: F o=d-0: : 0: + :O: 2- 3- Hybrid- ization AXE sp³d² AX-E 2 sp² AX3 3 sp AX4 sp AX₂E₂ sp³ AX4 Electron pair geometry Molecular shape octahedral square pyramidal trigonal planar trigonal planar tetrahedral tetrahedral tetrahedral bent tetrahedral tetrahedral Bond angles (eq) 90° (ax) 90° all 120° all ~109.5° all ~109.5° Bond Polarity Molecular Polarity if the molecule is polar, add a dipole arrow if not polar, state so and why H H T S F H OP F ciso
s Using the molecular orbital model, identify the correct (valence) electron configurations for the following diatomic species. O CN O N2 O CN OCN+ 02 A. (025)?(02s*)?(n2p)* B. (025)?(025*)?(02p)?(n2p)*(n2p*)3 c. (025) (02s*)?(n2p)*(02p)²(n2p*)! D. (025)?(02s*)?(n2p)*(02p)! E. (025)?(025*)?(n2p)*(02p)? F. (02s)2(02s*)?(02p)?(n2p)*(n2p*)? G. (025)?(02s*)?(02p)²(n2p)ª(n2p*)* 1 ar ec
Number of Molecule valence electrons Formal Charge Electron-Group Geometry Molecular Geometry Resonance BH3B" B: B: Select one ... B: Select one ... Select one . SbAt2Br Sb: Sb: Select one ... Sb: Select one .. Select one BCI4 B: B: Select one.. B: Select one .. Select one .. V NBr3F* N: N: Select one.. N: Select one ... Select one . AIHCI3 Al: Al:Select one ... Al: Select one . Select one .
east.cengagenow.com 03 General Chemistry I C OWLV2 | Online teaching and learning resource from Cengage Learning [References] Use the References to access important values if needed for this question. Which of the following statements concerning molecular orbital (MO) bond theory is/are CORRECT? MO theory can describe molecular bonding in excited states. MO theory accurately describes bonding in O, and NO, VB theory does not. MO theory predicts that electrons are localized between pairs of atoms. 1. 2. 3. O 1, 2, and 3 O1 only O 2 only O1 and 2 03 only Submit Answer Try Another Version 5 item attempts remaining Cengage Learning Cengage Technical Support
O east.cengagenow.com 003 General Chemistry I C OWLV2 | Online teaching and learning resource from Cengage Learning [References] Use the References to access important values if needed for this question. Which of the following statements is/are CORRECT according to valence bond theory? The overlap between an s orbital and a p orbital is called a pi-bond. The overlap of two s orbitals in H, is called a sigma bond. HF is formed from the overlap of a hydrogen 1s orbital with a fluorine 2p orbital. 1. 2. 3. O 1, 2, and 3 O1 only 2 and 3 O3 only O 2 only Submit Answer Try Another Version 5 item attempts remaining Cengage Learning | Cengage Technical Support
Number of Molecule valence electrons Formal Charge Electron-Group Geometry Molecular Geometry Resonance AIH2ATCI- Al: Al: Select one.. Al: Select one .. Select one ... AIHAT,Br Al: Al: Select one ... Al: Select one ... Select one ... FSIAS Si: Si: Select one .. Si: Select one ... Select one .. PHATCI P: P: Select one ... P: Select one.. Select one .. PCIFI P: P: Select one ... P: Select one ... Select one ... v
6. Identify the geometry and predict the actual shape of the following chemical species, support your answer with a drawing. Include an estimation of the bond angles. (Example; <120 because...) A. NH2 В. 13 C. PCI6 D. ASF5