x What is the bond between the O and the H made up of? Select all that apply. OH OH (careful!!! Draw the full Lewis structure. Remember that in an organic compound, all carbons must have four bonds. If they don't, fill in the remaining with a hydrogen(s) bonded to that carbon.) Selected Answers: an sp³ to a 1s Answers: a sigma bond a pi bond an sp to a 1s an sp² to a 1s an sp³ to a 1s a 2p to a 1s
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- A student draws the picture of ammonia (NH3) in the box below, left, and predicts it will be a flatmolecule with HNH bond angles of exactly 120°. Unfortunately, the student left something out. a. What did the student omit from his drawing? b. What is the actual HNH bond angle of ammonia (based on the draw g above, right)? c. Explain why water, ammonia, and methane (shown below) all have about the same bondangles (close to 109.5°) even though they have different numbers of bonds.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?Use Lewis symbols and Lewis structures to diagram the formationof PF3 from P and F atoms, showing valence-shellelectrons. (a) How many valence electrons does P have initially?(b) How many valence electrons does each F haveinitially? (c) How many valence electrons surround the P inthe PF3 molecule? (d) How many valence electrons surroundeach F in the PF3 molecule? (e) How many bonding pairs ofelectrons are in the PF3 molecule?
- 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 2022A molecule is connected H₂CC (O) CH₂ where the oxygen is connected to the middle carbon and the outside carbons are also connected to the middle carbon. The hydrogens are connected to the outside carbons. Which of the following represents the Lewis Dot Structure for this compound? A) B) H-C-C-C-H C) H H OB H DE OD DA DC H H H 80: H H H-C-C-C-H HC- H-C-C=C-H Both A and B are correct H o: H Both C and D are correct H 80: H D) H ●● H-C-C-C-H H E) H H H - 80: H ●● H -C-C-H 80: HExamples: 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
- Q11. Draw the Lewis structure of the following species and show resonance structures whereCONFIDEENT IIIANBULRAL CHEN applicable.a) NO2-b) Bro3-C) PO4-3Decide 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…Using Lewis symbols and Lewis structures, diagram the formationof SiCl4 from Si and Cl atoms, showing valence-shellelectrons. (a) How many valence electrons does Si have initially?(b) How many valence electrons does each Cl haveinitially? (c) How many valence electrons surround the Siin the SiCl4 molecule? (d) How many valence electrons surroundeach Cl in the SiCl4 molecule? (e) How many bondingpairs of electrons are in the SiCl4 molecule?
- Q1. Draw the Lewis structure of given compound;a) CH3NH2 (metil amine)b) HCOOH (formic acid)c) HCSNH2d) NH2CONH2Q2. Draw Lewis structure of the following species, indication formal charges andresonance where applicable;a) HOSO3-b) H2NCNc) FCO2-d) HCO3-e) FSO3-Q3. Use the VSEPR theory to predict the shape ofa) The molecule OSF2b) The ion ClO3-c) The ion of S2O32-d) Th ion of BrF4- Word Search (Alt+Q) Review View Help E- EEE AaBbCcDd AaBbCcDd AABBCC AaBbCcD 1 Normal T No Spac... Heading 1 Heading 2 Styles Paragraph Draw the best Lewis structures for CNS_and include formal charges on atoms with non-zero values. Concisely identify at least four steps of the procedure for drawing the Lewis structures. Draw the best Lewis structures for CNS and IFs (iodine pentafluoride) ald include formal charges on atoms with non-zero values. Concisely identify at least four steps of the procedure for drawing the Lewis structures. go 21Bonds & Molecules DDraw e in the carbon atom's valence shell below and identify how many bonds car bon con form with otler atoms which is Identify where 6*, 8, coalent bonds t'hydrogen bouds belong in the figure below of tuo wat& (H,0)° Molecules : H H Carbon 6 protons AV H H 3) Identify, rank+ describe the four Key types of bonds in molecules: bond name description Linclude an examele) Strongest ). weakest 4). 4) Label + fill-in the figure below: aka aka A energy (ATP) e aka aka reactions Metabolism =