carbanions-ions in which a carbon atom has three bonds and a lone pair of electrons and bears a negative charge. Draw another contribut- ing structure for the allyl anion. Now using cartoon representations, draw the three orbit- als that represent the delocalized 7 system (look at Figure 1.26 for a hint). Which of the three orbitals are populated with electrons? H H. H Allyl anion

carbanions-ions in which a carbon atom has three bonds and a lone pair of electrons and bears a negative charge. Draw another contribut- ing structure for the allyl anion. Now using cartoon representations, draw the three orbit- als that represent the delocalized 7 system (look at Figure 1.26 for a hint). Which of the three orbitals are populated with electrons? H H. H Allyl anion

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Part A Fill in the blanks with the appropriate numbers for both electrons and bonds (considering that single bonds are counted as one, double bonds as two, and triple bonds as three). Drag the numbers on the left to the appropriate blanks on the right to complete the sentences. Reset Help 1 Nitrogen has valence electrons and makes bond(s) in neutral 2 compounds. 3 Oxygen has valence electrons and makes bond(s) in neutral 4 compounds. Carbon has valence electrons and makes bond(s) in neutral 6 compounds. 7 valence electrons and makes bond(s) in neutral Fluorine has 8 compounds. Submit Request Answer Master. Formal. B. amaen P Type here to search 立

Look at the molecule depicted below, several atoms need more or less electrons to complete its octet. Select all that apply from the list below. :F: H;C- -0-H : F O the C witha double bond needs to lose two electrons. O The O with a double bond needs two electrons. O The O with two single bonds needs two electrons. O The C with four bonds needs two electrons. O F needs two more electrons. O The H needs two electrons. eTextbook and Media Attempts: 0 of 15 used Submit Answer Save for Later t回 T國囚 16 МacBook Air DI DD 80 888 F9 F10 F7 F8 F5 F6 F3 F4 F1 F2
Three molecules of methanol (CH3OH) are shown below. Which of the labeled interactions are nydrogen bonding interactions? H. II H. III -C H H C IV O Il and II O IV only O Il and IV O IIl only O None of them. OIonly Ol only OUJI, and IV וווווu
Atom A has 4 valence electrons. Atom Z has 6 valence electrons. For the AZ3-2 ion, answer the following questions about its Lewis dot structure (drawn according to Chm 130 guidelines). a. How many valence electrons are in the structure? b. How many single bonds are in the structure? c. How many double bonds are in the structure? d. How many triple bonds are in the structure? e. How many lone pairs are on the central atom in the structure? f. What is the shape of the structure? g. What are the bond angles of this ion?
1.44 Draw one valid Lewis structure for each compound. Assume the atoms are arranged as drawn. H HCC NO H a. CH₂N₂ HCNN H H b. CH₂NO₂ HCNO HO C. CH3CNO d. (CH₂CN) HC CN H 1.45 Draw an acceptable Lewis structure from each condensed structure, such that all atoms have zero formal charge. a. diethyl ether, (CH3CH₂)2O, the first general anesthetic used in medical procedures b. acrylonitrile, CH₂CHCN, starting material used to manufacture synthetic Orlon fibers c. dihydroxyacetone, (HOCH₂)₂CO, an ingredient in sunless tanning products d. acetic anhydride, (CH3CO)2O, a reagent used to synthesize aspirin
3. One curved arrow shows the movement of an electron pair. o a bond (sigma or pi) involves two electrons, so each curved arrow indicates some change in bonding. Step 6: When a curved arrow starts from a o bond and points to a distant atom, the o bond breaks and a new o bond is formed. A -B A-C B* B-C A* or Note that two possible cations can be formed, depending on whether the electrons from the o bond move with atom A or B. Draw curved arrows to form the products shown. Select Draw Rings More Erase Al H. -0: + AIH, H - Al -H étv 0 hulu MacBook Pro GSearch or type URL & 5 7 T Y * 00
Directions: Encircle the correct answer. 1. The electronic structures of various atoms are shown below A. Which one of these structures A to E represents a noble gas? B. Which one of these structures represents an atom with an atomic no. of 8? C. Which one of these structures forms a stable ion by gaining one electron?
Question 48 48. Which of the following statements are true? 1. 11. III. IV. The electrons in each molecule tend to orient themselves around the most electronegative element. Each molecular drawing follows the localized electron model. Both HF and CO₂ are linear molecules and therefore polar. The bond angles of NH3 are slightly less than 109.5° because the lone pair compresses the angles between the bonding pairs. a. I, III, IV b. I, II, IV c. I, II, III d. II, IV e. All of the above statements are correct. C B esc E Q @ 2 W # 3 E $ 4 * R % 5 T < 6 Y & 7 8 U
3.A. Add all implied hydrogen atoms and any missing lone pairs of electrons. There are many possible ways to get a negative charge on carbon, but only one with filled octets.
1. Which one of the following combinations is incorrect? Group of answer choices CCl4, carbon (IV) chloride CrCl3, chromium (III) chloride CuO, copper (II) oxide FeO, iron (II) oxide 2. The strongest interactions between molecules of potassium oxide are dipole-dipole interactions hydrogen bonds dispersion forces ionic bonds nonpolar covalent
H-N=C-N-H 1 Draw the major contributing structure with formal charge(s) below. If there are electrons around any of the atoms ignore them for now. The details will be addressed in the next section. Draw Your Solution Now specify the number of electrons in lone pairs around the specified atoms in the contributing structure that was drawn. The atom labels correspond to the atom labels on the structure in the question. N1 has 2 N2 has C1 and C C3 and C C5 and C H In the contributing structure, the double bonds are placed between: C1 has C2 has C3 has C4 has C5 has C6 has electron(s). electron(s). Now specify the number of electrons in lone pairs around the specified atoms in the contributing structure. The atom labels correspond to the atom labels on the structure in the question. New WP Integrat...pdf electron(s). electron(s) electron(s). electron(s). electron(s). electron(s)
No plagiarism Please! Methane (CH4) is a gas that is found in small quantities in Earth’s atmosphere. Which type of bonds does methane have, and why does one carbon atom bond with four hydrogen atoms? In three to five sentences, explain your answer in terms of valence electrons and electronegativity.