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CHEM 1411. Review Exercises for Chapter 3, 7, 8. F19 1. Give the number of lone...
can you please explain each answer 1. Give the number of lone pairs around the central...
can
you please explain each answer
1. Give the number of lone pairs around the central atom and the geometry of the ion CIO, A) O lone pairs, linear 1 lone pair, bent C) 2 lone pairs, bent D) 3 lone pairs, bent E) 3 lone pairs, linear B) 2. Predict the geometry and polarity of the CS, molecule. A) linear, polar B) linear, nonpolar C) tetrahedral, nonpolar D) bent, nonpolar E) bent, polar (iv) PF, (v) BF, 3. Which...
) Give the number of lone pairs around the central atom and the molecular geometry of...
) Give the number of lone pairs around the central atom and the molecular geometry of SCl2. A) O lone pairs, linear B) 3 lone pairs, bent C) 1 lone pair, bent D) 3 lone pairs, linear E) 2 lone pairs, bent
How many valence electrons does S^2 have? A. 3 B. 8 C. 15 D. 1 E....
How many valence electrons does S^2 have? A. 3 B. 8 C. 15 D. 1 E. 18 52. Which of the following ground-state ions has the largest number of unpaired electrons? A. Cr^2+ B. Mn^2+ C. Ni^2+ D. Cu^+ E. Co^2+ 53. Arrange the following ions in order of increasing ionic radius: K^+, P^3-, S^2-, CI^-, increasing radius A. K^+ < CI^- < S^2- < P^3- B. CI^- < S^2- < P^3- < K^+ C. K^+ < P^3- < S^2-...
CHAPTER 1-Practice Exercises (ORGANIC CHEM I) Dr. Pahlavan 1. Given the ground-state electron configuration for the...
CHAPTER 1-Practice Exercises (ORGANIC CHEM I) Dr. Pahlavan 1. Given the ground-state electron configuration for the following atoms or ions. С Cl 2. How many valence electrons the following elements have in their valence shell? C2 с Si 3. Write electron dot structures for each formula below. Show all bonding electrons as dashes and all non-bonding electrons as dots. a) CS в) СHCIS ) CCl4, tetrachloroethylene m) CHIN. methylamine o) CHaN b) НС: h) NH c) CHa i) HO d)...
What is the correct answer? Please explain and circle correct answer. Thanks in advance!! 3. What is the mol...
What is the correct answer? Please explain and circle
correct answer. Thanks in advance!!
3. What is the molecular geometry around an atom in a molecule or ion which is surrounded by three lone pairs of electrons and two single bonds. a. trigonal bipyramidal b. trigonal planar c. T-shaped d. see-saw e. linear HO 1. What is the electron-pair geometry around an atom with 3 lone pairs, 2 single bonds, and no multiple bonds? a. trigonal bipyramidal b. linear c....
1) 1) To convert a given number of moles into the number of atoms, one would...
1) 1) To convert a given number of moles into the number of atoms, one would multiply by which of the following factors? A) 1.66 x 10-24 atoms/1 mol B) 1 mol/6.022 x 1023 atoms C) molar mass D) 6.022 x 1023 atoms/1 mol E) 1 mol/1.66 x 10-24 atoms 2) Consider the following precipitation reaction. Which of the following correctly identifies the spectator ions in this reaction? Na2S(aq) + CuSO4(aq) → Na2SO4(aq) + CuS(s) A) Na+ and SO42- B)...
9. Based on the solubility rules, which one of the following compounds should be insoluble in...
9. Based on the solubility rules, which one of the following compounds should be insoluble in water? A) Na SO B) BaSO C) CuSO. D) MgSO E) Rb SO 10. Identify the reducing agent in the following chemical reaction. Cd + NiO2 + 2H2O → Ca(OH)2 + Ni(OH)2 A) Cd B) NiO2 c) H2O D) Ca(OH)2 E) Ni(OH)2 11. The oxidation number of Cl in CIO, is A) -1 B) +7 C) +5 D) +3 E) None of the above....
Please add explanation if you can Q1) What is the formal charge on each atom in...
Please add explanation if you can Q1) What is the formal charge on each atom in dichloromethane, CH2Cl2? a. C atom = 0, each H atom = 0, and each Cl atom = 0 b. C atom = –2, each H atom = +1, and two Cl atoms = 0 c. C atom = +4, each H = –1, and each Cl atom = –1 d. C atom = +4, each H = +1, and each Cl atom = –1...
2. For the polyatomic ions NO2 and NH4*: (a) Draw the correct Lewis structures of each...
2. For the polyatomic ions NO2 and NH4*: (a) Draw the correct Lewis structures of each (showing each step). (b) State the number of groups (the sum of attached atoms and lone electron pairs) that surround the central atom in each ion. (c) Based on your answers in (b), state the geometry (e.g. linear, trigonal planar, bent, trigonal pyramidal or tetrahedral) of each ion. (d) Based on your answers in (c), state the approximate bond angles about the central atom...
1.) Calculate the number of valence electrons, shared electrons, total electrons, #bonds, and # of lone...
1.) Calculate the number of valence electrons, shared electrons, total electrons, #bonds, and # of lone pairs for each molecule below. Then, draw the correct Lewis dot structure for each molecule. [4 pt.] a. H2 b. NaCl C. N2 d. Br2 e. H2SO4 f. XeF6 g. 13 h. PCIE
can
you please explain each answer
1. Give the number of lone pairs around the central atom and the geometry of the ion CIO, A) O lone pairs, linear 1 lone pair, bent C) 2 lone pairs, bent D) 3 lone pairs, bent E) 3 lone pairs, linear B) 2. Predict the geometry and polarity of the CS, molecule. A) linear, polar B) linear, nonpolar C) tetrahedral, nonpolar D) bent, nonpolar E) bent, polar (iv) PF, (v) BF, 3. Which...
) Give the number of lone pairs around the central atom and the molecular geometry of SCl2. A) O lone pairs, linear B) 3 lone pairs, bent C) 1 lone pair, bent D) 3 lone pairs, linear E) 2 lone pairs, bent
How many valence electrons does S^2 have? A. 3 B. 8 C. 15 D. 1 E. 18 52. Which of the following ground-state ions has the largest number of unpaired electrons? A. Cr^2+ B. Mn^2+ C. Ni^2+ D. Cu^+ E. Co^2+ 53. Arrange the following ions in order of increasing ionic radius: K^+, P^3-, S^2-, CI^-, increasing radius A. K^+ < CI^- < S^2- < P^3- B. CI^- < S^2- < P^3- < K^+ C. K^+ < P^3- < S^2-...
CHAPTER 1-Practice Exercises (ORGANIC CHEM I) Dr. Pahlavan 1. Given the ground-state electron configuration for the following atoms or ions. С Cl 2. How many valence electrons the following elements have in their valence shell? C2 с Si 3. Write electron dot structures for each formula below. Show all bonding electrons as dashes and all non-bonding electrons as dots. a) CS в) СHCIS ) CCl4, tetrachloroethylene m) CHIN. methylamine o) CHaN b) НС: h) NH c) CHa i) HO d)...
What is the correct answer? Please explain and circle
correct answer. Thanks in advance!!
3. What is the molecular geometry around an atom in a molecule or ion which is surrounded by three lone pairs of electrons and two single bonds. a. trigonal bipyramidal b. trigonal planar c. T-shaped d. see-saw e. linear HO 1. What is the electron-pair geometry around an atom with 3 lone pairs, 2 single bonds, and no multiple bonds? a. trigonal bipyramidal b. linear c....
1) 1) To convert a given number of moles into the number of atoms, one would multiply by which of the following factors? A) 1.66 x 10-24 atoms/1 mol B) 1 mol/6.022 x 1023 atoms C) molar mass D) 6.022 x 1023 atoms/1 mol E) 1 mol/1.66 x 10-24 atoms 2) Consider the following precipitation reaction. Which of the following correctly identifies the spectator ions in this reaction? Na2S(aq) + CuSO4(aq) → Na2SO4(aq) + CuS(s) A) Na+ and SO42- B)...
9. Based on the solubility rules, which one of the following compounds should be insoluble in water? A) Na SO B) BaSO C) CuSO. D) MgSO E) Rb SO 10. Identify the reducing agent in the following chemical reaction. Cd + NiO2 + 2H2O → Ca(OH)2 + Ni(OH)2 A) Cd B) NiO2 c) H2O D) Ca(OH)2 E) Ni(OH)2 11. The oxidation number of Cl in CIO, is A) -1 B) +7 C) +5 D) +3 E) None of the above....
2. For the polyatomic ions NO2 and NH4*: (a) Draw the correct Lewis structures of each (showing each step). (b) State the number of groups (the sum of attached atoms and lone electron pairs) that surround the central atom in each ion. (c) Based on your answers in (b), state the geometry (e.g. linear, trigonal planar, bent, trigonal pyramidal or tetrahedral) of each ion. (d) Based on your answers in (c), state the approximate bond angles about the central atom...
1.) Calculate the number of valence electrons, shared electrons, total electrons, #bonds, and # of lone pairs for each molecule below. Then, draw the correct Lewis dot structure for each molecule. [4 pt.] a. H2 b. NaCl C. N2 d. Br2 e. H2SO4 f. XeF6 g. 13 h. PCIE
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