lodine trichloride, ICI3, is a bright yellow solid and an oxidizing agent. a) How many valence electrons does the I have? b) How many valence electrons does CI have? c) How many total valence electrons does the ICI3 molecule have?
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- Chloromethane has the Lewis structure _______________________________ The carbon atom is sharing 4 electron pairs. In each shared pair the carbon atom “owns” 1 electron. The number of electrons that “belong” to carbon is ___. Carbon, being a Group ___ element would have 4 , outer shell electrons in the unbonded, neutral state. Therefore, the carbon atom in chloromethane has a formal charge of zero.Hydrogen cyanide, HCN, is a highly poisonous compound that vaporizes slightly above room temperature. a) How many valence electrons does C have? b) How many valence electrons does H have? c) How many valence electrons does N have? d) How many total valence electrons does the HCN molecule have? e) Draw the Lewis structure for HCN that minimizes the formal charges on all atoms. f) How many electron domains are on the central atom? g) What is the molecular geometry of HCN? h) Is the molecule polar?O CHEMICAL BONDING Predicting the arrangement of electron groups around the central atom of a molecule Answer the questions in the table below about the shape of the phosphorus trichloride (PCI,) molecule. How many electron groups are around the central phosphorus atom? Note: one "electron group" means one lone pair, one single bond, one double bond, or one triple bond. What phrase best describes the arrangement of these electron groups around the central phosphorus atom? (You may need to use the scrollbar to see all the choices.) (choose one) Explanation Check O2020 McGraw-Hill Education, All Rights Re Type here to search
- ASK YOUR TEACHER Choose the selection which gives the correct number of and bonds present in one molecule or ion of phosphate ion, PO43-. Make the central atom in your Lewis structure follow the octet rule if possible. a) There are 0 bonds and 4 bonds in one molecule or ion of this substance. b) There are 3 bonds and 1 bonds in one molecule or ion of this substance. c) There are 4 bonds and 1 bonds in one molecule or ion of this substance. d) There are 4 bonds and 4 bonds in one molecule or ion of this substance. e) There are 4 bonds and 0 bonds in one molecule or ion of this substance.a Use the References to access important values if needed for this question. Draw the Lewis structure for SF4 in the window below and then answer the questions that follow. • Do not include overall ion charges or formal charges in your drawing. Lit [ ] در On ? ChemDoodleⓇ b What is the electron-pair geometry for S in SF4 ? CWhat is the the shape (molecular geometry) of SF4?Consider the molecule below. XY5 Where X has 7 valence electrons and Y has 7 valence electrons. X has an electronegativity of 2.3 and Y has an electronegativity of 3.2. X and Y are imaginary elements Note: Your answers for b-e must agree with your Lewis structure. a) Draw the Lewis structure b) Does this molecule contain polar bonds? c) Is this a molar molecule? d) Identify the electron geometry e) Identify the molecular geometry (shape) f) Identify the hybridization on the central atom
- Answer the questions in the table below about the shape of the phosgene (COCI,) molecule. How many electron groups are around the central carbon atom? Note: one "electron group" means one lone pair, one single bond, one double bond, or one triple bond. What phrase best describes the arrangement of these electron groups around the central carbon atom? (You may need to use the scrollbar to see all the choices.) (choose one)a) Draw the Lewis Structure of I3- OR (I3 minus). How many total nonbonding electrons surround the central I atom? b) Draw the Lewis Structure of PF5 (OR P F5). How many electron pairs (not total electrons) surround the P atom. c) Draw the Lewis Structure of NO3-1 (OR N O3 minus). What is the formal charge of N?Molecule is Permanganate (MnO4 -) not potassium permangante just permangante on its own. Simplified Lewis structure: Total # of electron pairs around the central atom = Number of lone pairs around the central atom = Name based on number of bonding and lone pairs = Structural diagram and bond angles: Bond angles = 5. Draw an Energy Level Diagram of the central atom
- Consider a Lewis structure of acetamide H3C-C(O)-NH2 . a) How many shared and unshared electrons carbon atom attached to oxygen has in the above molecule? b) How many shared and unshared electrons hydrogen atom has in the above molecule?Draw the bonding pattern for the third resonance structure of the azide ion, N3. Two of the resonance structures are shown below. (Include double/triple bonds and any formal charges.) Edit Drawing eTextbook and Media NEN-N: A How many lone pair electrons are on the central nitrogen atom? # of lone pair electrons on the central nitrogen atom: 0 2-:N-N=N: B How many lone pair electrons are on the each of the other two nitrogen atoms? # of lone pair electrons on each of the other nitrogen atoms: 4 Why do both bonds of the azide ion have the same length? O The bond lengths are the same because the resonance structure you drew was tetrahedral. O The bond lengths are the same because single, double, and triple bonds are always the same length. The bond lengths are the same because structures A and B are equivalent and therefore make equal contributions to the hybrid.Write the Lewis structure for I3- on your paper. Include formal charges on all atoms. Include all resonance structures if there is resonance in this ion. Answer the following questions for the central atom in the species