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Concept explainers
(a)
Interpretation:
The given electron dot structure is correct or not has to be explained using formal charge and the octet
Concept introduction:
Lewis structure otherwise known as Lewis dot diagrams or electron dot structures that show the bond between atoms and lone pairs of electrons that are present in the molecule. Lewis structure represents each atom and their position in structure using the chemical symbol. Excess electrons forms the lone pair are given by pair of dots, and are located next to the atom.
(b)
Interpretation:
The given electron dot structure is correct or not has to be explained using formal charge and the octet
Concept introduction:
Lewis structure otherwise known as Lewis dot diagrams or electron dot structures that show the bond between atoms and lone pairs of electrons that are present in the molecule. Lewis structure represents each atom and their position in structure using the chemical symbol. Excess electrons forms the lone pair are given by pair of dots, and are located next to the atom.
(c)
Interpretation:
The given electron dot structure is correct or not has to be explained using formal charge and the octet
Concept introduction:
Lewis structure otherwise known as Lewis dot diagrams or electron dot structures that show the bond between atoms and lone pairs of electrons that are present in the molecule. Lewis structure represents each atom and their position in structure using the chemical symbol. Excess electrons forms the lone pair are given by pair of dots, and are located next to the atom.
(d)
Interpretation:
The given electron dot structure is correct or not has to be explained using formal charge and the octet
Concept introduction:
Lewis structure otherwise known as Lewis dot diagrams or electron dot structures that show the bond between atoms and lone pairs of electrons that are present in the molecule. Lewis structure represents each atom and their position in structure using the chemical symbol. Excess electrons forms the lone pair are given by pair of dots, and are located next to the atom.
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Chapter 9 Solutions
Student Solutions Manual for Ebbing/Gammon's General Chemistry, 11th
- For the indicated atom in each of the following molecules or ions. give the number and arrangement of the electron pairs around that atom. msp;a.AsinA3O43b.SeinSeO42c.SinH2Sarrow_forwardDraw Lewis diagrams for the following compounds. In the formula the symbol of the central atom is given first. (Hint: The valence octet may be expanded for the central atom.) (a) PF5 (b) SF4 (c) XeO2F2arrow_forwardNa+ forms an “ionic bond” (i.e. an electrostatic attraction) with the OCN− ion. (a) Draw the full Lewis structure of the ionic compound. Be sure to show how you have derived this. (The ionic compound as a whole, not just OCN-) (b) Which atom in the OCN− anion is the sodium cation most likely to attract? Explain.arrow_forward
- (a) CCI4 (b) HONO2 (c) (d) HCN CH3CH₂OH Write the electron dot formula for each of the following moleculesarrow_forwardWhich of the following statements about electronegativity isfalse? (a) Electronegativity is the ability of an atom in a moleculeto attract electron density toward itself. (b) Electronegativity isthe same thing as electron affinity. (c) The numerical valuesfor electronegativity have no units. (d) Fluorine is the mostelectronegative element. (e) Cesium is the least electronegativeelement.arrow_forwardWrite electron configurations and Lewis structures for each element. Indicate which of the electrons in the electron configuration are shown in the Lewis structure.(a) Ca(b) Ga(c) As(d) Iarrow_forward
- The following Lewis diagram represents the valence electron configuration of a main-group element. X• If this element is in period 2, its valence electron configuration is |arrow_forwardWhat is required first in order to ascertain the Lewis electron dot diagram of an atom?arrow_forwardWrite an electron configuration for each element and the corresponding Lewis structure. Indicate which electrons in the electron configuration are included in the Lewis structure.(a) N(b) C(c) Cl(d) Ararrow_forward
- Which of the following elements does not follow the octet rule? (a) sodium (b) helium (c) krypton (d) carbon (e) sulfurarrow_forward(a) Describe the molecule xenon trioxide, XeO3, using four possible Lewis structures, one each with zero, one, two, or three Xe—O double bonds. (b) Do any of these resonance structures satisfy the octet rule for every atom in the molecule? (c) Do any of the four Lewis structures have multiple resonance structures? If so, how many resonance structures do you find? (d) Which of the Lewis structures in (a) yields the most favorable formal charges for the molecule?arrow_forwardAnswer the following questions relating to the chemistry of the halogens. (a) The molecular formulas of diatomic bromine, chlorine, fluorine, and iodine are written below. Circle the formula of the molecule that has the longest bond length. Justify your choice in terms of atomic structure. Br2 Cl2 F2 I2 Br2Br2 and Cl2Cl2 can react to form the compound BrClBrCl. A chemistry teacher wants to prepare Br2Br2. The teacher has access to the following three reagents: NaBr(aq)NaBr(��), Cl2(g)Cl2(�), and I2(s)I2(�). Half-Reaction E°�° at 25°C(V)25°C(V) Br2+2e−→2Br−Br2+2�−→2Br− 1.071.07 Cl2+2e−→2Cl−Cl2+2�−→2Cl− 1.361.36 I2+2e−→2I−I2+2�−→2I− 0.530.53 (b) Using the data in the table above, write the balanced equation for the thermodynamically favorable reaction that will produce Br2Br2 when the teacher combines two of the reagents. Justify that the reaction is thermodynamically favorable by calculating the value of E°�° for the reaction. (c) The boiling point of Br2Br2 is…arrow_forward
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