om Questions - only for use by fellow teachers with accredited access to AP Classroom. Please respect. 2.6 MC Questions 1. H e H C H :0: H H C= H C C. C H H C = C H H Xxx-xx H H A The diagram above shows two resonance structures for a molecule of CH. The phenomenon shown in the diagram best supports which of the following claims about the bonding in CH? B C D In the CH, molecule, all the bonds between the carbon atoms have the same length. 6 Because of variable bonding between its carbon atoms, CH, is a good conductor of electricity. 6 The bonds between carbon atoms in CH are unstable, and the compound decomposes quickly. The CH molecule contains three single bonds between carbon atoms and three double bonds between carbon atoms.

Examples: Example: H▬N▬H HIN: Examples: :F Н lone pair : -bond pair (2 e-) single bond :F: Non-Polar 8+. H :F: H:Cl: HCl:o is better represented as closer to Cl due to its greater electronegativity. Thus, HCl contains a polar covalent bond. H :0: Polar lone pair 8- :S H -S= :0: 2 bond pairs (4 e-) double bond because the bond electrons are pulled F: Pola

Decide whether the Lewis structure proposed for each molecule is reasonable or not. Note: If two or more atoms have the wrong number of valence electrons around them, just enter the chemical symbol for the atom as many times as necessary. For example, if two oxygen atoms have the wrong number of electrons around them, enter the symbol O twice.

Decide whether the Lewis structure proposed for each molecule is reasonable or not. molecule proposed Lewis structure 9 CIF 3 BH3 :0 0-0: :F- FIN: :F: :ö: || : F: -F: H B H 1 H Is this a reasonable structure? If not, why not? OYes, it's a reasonable structure. O No, the total number of valence electrons is wrong. The correct number is: O No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: OO Yes, it's a reasonable structure. O No, the total number of valence electrons is wrong. The correct number is: O No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: OYes, it's a reasonable structure. O No, the total number of valence electrons is wrong. The correct number is: O No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: 0 * If two or more atoms have the wrong number of valence electrons around them, just enter the chemical symbol for the atom as…

Decide whether the Lewis structure proposed for each molecule is reasonable or not. molecule proposed Lewis structure OF 2 BeH₂ PF4 || :O: H - Be H F - P F W ... :F: :F: Is this a reasonable structure? If not, why not? Yes, it's a reasonable structure. O No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: O Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: O No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: O Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: 0 * If two or more atoms have the wrong number of valence electrons around them, just enter the chemical symbol for the atom as many times as…

Decide whether the Lewis structure proposed for each molecule is reasonable or not. molecule proposed Lewis structure CH SF3 XeO4 H 1 H-C-H : F S :F: .. F: + :0: I :0-Xe. <- 0: :0: Is this a reasonable structure? If not, why not? Yes, it's a reasonable structure. O No, the total number of valence electrons is wrong. The correct number is: O No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: 0 Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: 0 Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: 0 * If two or more atoms have the wrong number of valence electrons around them, just enter the chemical symbol for the atom as many…

ed Lewis struc :: :Z: : Z: |d=8: the proposed Lewis structure reasonable? Yes. No, it has the wrong number of valence electrons. The correct number is: No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are:* Yes. No, it has the wrong number of valence electrons. The correct number is: No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are:* Yes. No, it has the wrong number of valence electrons. The correct number is: No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are:*

O ||| crosoft C W W Microsoft esc Microsoft 6.52.210... ~ Calculating formal charge A student proposes the following Lewis structure for the ozone (03) molecule. V :0-0-0 Assign a formal charge to each atom in the student's Lewis structure. atom central O left O ! 1 Explanation right O formal charge 2 0 U 0 Check 9,002 > a # 3 X DEC 8 $ 4 G E buty % 5 tv ♫ A 6 7 2022

Recognizing exceptior Decide whether the Lewis structure proposed for each molecule is reasonable or not. proposed Lewis structure Is this a reasonable structure? If not, why not? molecule Yes, it's a reasonable structure. O No, the total number of valence electrons is wrong. OCl, Cl –O- Cl : The correct number is:| O No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: Yes, it's reasonable structure. O No, the total number of valence electrons is wrong. IBr2 : Br - Br: The correct number is: O No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: O Yes, it's a reasonable structure. O No, the total number of valence electrons is wrong. OF, F=0=F The correct number is: O No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are:|| * If two or more atoms have the wrong number of valence electrons around them, just enter the chemical symbol for the atom…

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