Instructions: Show complete solutions for each item as needed. 1. Calculate how many protons and neutrons are present in 14N, 15N, and 16N.2. Write the electronic configurations of the third-row elements: Na, Mg, Al, & Si.*Indicate or write the number of valence electrons of each.3. Draw the Lewis structures for the following compounds:a. Ammonia, NH3b. Hydronium ion, H3Oc. Dimethylamine, CH3NHCH3d. 1-Chloropropane, CH3CH2CH2CIе. Borane, BнЗ

Isotopes are the atoms of same element having same atomic number but different mass number. number…

1. Calculate how many protons and neutrons are present in 1“N, 1$N, and 1"N. 2. Write the electronic configurations of the third-row elements: Na, Mg, AI, & Si. *Indicate or write the number of valence electrons of each. 3. Draw the Lewis structures for the following compounds: a. Ammonia, NH3 b. Hydronium ion, H3O c. Dimethylamine, CH3NHCH3 d. 1-Chloropropane, CH3CH2CH2CI е. Borane, BНЗ

1. Calculate how many protons and neutrons are present in 1“N, 1$N, and 1"N. 2. Write the electronic configurations of the third-row elements: Na, Mg, AI, & Si. *Indicate or write the number of valence electrons of each. 3. Draw the Lewis structures for the following compounds: a. Ammonia, NH3 b. Hydronium ion, H3O c. Dimethylamine, CH3NHCH3 d. 1-Chloropropane, CH3CH2CH2CI е. Borane, BНЗ

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter20: Environmental Chemistry-earth's Environment, Energy, And Sustainability

Section: Chapter Questions

Problem 3PS

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Fill in the table. Central atom is listed first. A. Write the number of valence electrons below the formulaB. Draw the Lewis structureC & D. Write the Electron Group Geometry and Molecular Shape NamesE. Write the bond angleF. Write the molecular polarity. "P" for polar and "NP" for nonpolar. SpeciesValenceElectrons(1 pt.) LewisStructure(2 pt.) Electron PairGeometryName(1 pt.) Molecular ShapeName (1 pts.) BondAngle (1 pt.) Molecular Polarity(1 pt.) PO43- NOBr Upload
C. For the following hypothetical molecules/ ions below: (The number of valence electrons for each element is given in parenthesis) 1. CD. (C=3, D=7) 2. GH, (G=7, H=7} 3. JK. (1=6, K=7) 4. LM2 (L=8, M=7) 5. CH:CHCHOCH CH Boon, CHs CHy-CH: Cc-c-CH: CH) 6. Give the following information: (a) Lewis structure (b) Number of bonding pairs of electrons (c) Number of non-bonding pairs of electrons or lane pairs (d) Electron pair geometry (e) Molecular geometry (1) Bond Angle Note: For 5 & 6, give the information for the encircled atom only.
3a.Draw the best Lewis structure for the HClO3 acid molecule. (Hint: the acidic H is bonded to O in an oxy-acid molecule).Evaluate each atom using formal charge to prove you have the best structure. Show your math work as well as your formal charge answers. 3b. Draw all the resonance structures for the ClO3– polyatomic anion. (Hint: make sure you have the best initial structure first!)
O ELECTRONIC STRUCTURE AND CHEMICA... Deciding whether a Lewis... Decide whether these proposed Lewis structures are reasonable. proposed Lewis structure [O=C-H]* :0: : CIC CI: [¤¤-6: 0/5 Is the proposed Lewis structure reasonable? Yes. No, it has the wrong number of valence electrons. The correct number is: 0 No, it has the right number of valence electrons but doesn't satisfy the octet rule. 000 The symbols of the problem atoms are:* Yes. No, it has the wrong number of valence electrons. The correct number is: 0 Alia V No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are:* Yes. No, it has the wrong number of valence electrons. The correct number is: No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are:* X Ar If two or more atoms of the same element don't satisfy the octet rule, just enter the chemical symbol as many times as necessary. For example,…
17. According to Lewis Octet Theory, the ZH-N-H bond angle in the NH4* cation is...? А. 180° В. 120° С. 109.5° D. 90° E. Not enough information to tell 18. Which of the following ions has the largest atomic size? A. S2- В. СF C. Ca2+ D. K* E. All of the ions above are the same size 19. Which of the following molecules has the widest (largest) ZO-Y-O bond angle? Y represents the central atom in each. A. H2SO4 В. НЗВОЗ С. Si(OH)4 D. HЗPO4 E. The 20-Y-O bond angles are the same in each of the molecules above. 20.Consider the following series of elements. In which series does the ionization energy of the atoms decrease? А. О, N, C В. N, O, C С. N, C, O D. C, O, N Е. С, N, O
a.edu/d2l/Ims/quizzing/user/attempt/quiz_start_frame_auto.d2l?O%3D220518&isprv3&drc%3D1&qi=20426&cfql%3D0&dnb3D0 orcement nna Claiborne: Attempt 2 Write the Lewis structures of the indicated chemical substance and use it to answer the other questions. E. CO a) Draw the Lewis structure. b) Indicate which atoms in the species need what hybrid orbitals in order to explain the bonding in the molecule or ion. (Please write for example: sp4 hybrid orbitals on Na.) Use proper spelling or symbol for all elements. AV C) 1st type of bond: "There is a bond between the _-_ atom and the atom formed by the overlap of a orbital on the atom.) (Fill in the blanks from left to right). atom and the orbital on the triple bond C. a :
Choose the INCORRECT statement. Select one: O a. Formal charges are apparent charges associated with atoms in a Lewis structure. Ob. In a Lewis structure, the number of valence electrons shown is one more for each negative charge. O. The central atom is typically the atom with the highest electronegativity. Od. Resonance is when more than one equally plausible structure can be written In a molecule, hydrogen and halogen atoms are always at terminal positions e.
Decide 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…
BMy Dashboard myBinghX BUnit 9- Molecular Geom X LON-CAPA 10-043: E-G O Not secure loncapa5.chem.binghamton.edu/res/fsu/silberbe M Lumen OHM Asse... Apps G Gmail Jazz Notes Exam 1... Pt Dynamic Periodic... Draw Lewis structures for each of the following and use them to answer the next 3 questions. 1) O3 2) NF3 3) NO2 4) SO2 5) CF4 6) N20 (N central) Match each molecule or ion above to the correct electron-group arrangement from the list below. NF3 A T shape 03 B tetrahedral N20 (N central) CF4 C square planar D linear NO2 D SO2 trigonal pyramidal F bent G trigonal planar Tries 0/5 Submit Answer Now match the sames molecules or ions above to the correct molecular shape. N2O (N central) A T shape NO2 NF3 B linear C square planar CF4 D trigonal planar trigonal pyramidal SO2 O3 tetrahedral F G bent Tries 0/5 Submit Answer Finally, match the same molecules and ions above to the correct ideal bond angles from the list below. NO2 03 1800 A B 600 CF 4 C 109.50 NF3 D 900 SO2 30° E N20 (N…
guhsd.schoology.com/course/5156090152/assessments/5387966916 O(535) YouTube I Math EdClub Sign in 4 ates C grossmontca.infinit. Use the electronegatively chart below to determine the type of bond formed between Strontium (#38) and Chlorine (#17) H. 2.20 7. 8 9. 3 4 Li Be 2.04 2.55 3.04 3.44 3.98 0.98 1.57 Pauling Electronegativity Values 13 14 15 16 17 11 12 CI Si Al 1.90 2.19 2.58 3.16 Na Mg 1.61 0.93 1.31 25 26 27 28 29 30 31 32 33 34 35 19 20 21 22 23 24 Fe Co Ni Cu Zn Ga Ge As Se Br Sc 0.82 1.00 1.36 K Ca Ti V Cr Mn 1.91 1.90 1.65 1.81 2.01 2.18 2.55 2.96 1.54 1.63 1.66 1.55 1.83 1.88 42 43 44 45 46 47 48 49 50 51 52 53 37 38 39 40 41 Cd In 1.78 1.96 Sn Sb Te Ag 2.28 2.20 1.93 Rb Sr Nb Mo To Ru Rh Pd 2.2 1.69 2.05 2.1 2.66 0.82 0.95 N 22 1.33 1.6 2.16 1.9 84 85 83 Bi 72 73 74 75 76 77 78 79 80 81 82 55 56 57 Hg Ti Pb Po At Pt Au Os 2.20 2.28 2.54 2.00 1.62 2.33 Cs Ba La Hf Ta Re Ir 2.02 2.0 2.2 0.79 0.89 1.1 1.3 1.5 2.36 1.9 2.2 87 88 Fr Ra 0.7 0.9 Polar Covalent Bond Metalic Bond…
Match each of the following with its correct answer The formal charge on nitrogen in the Lewis structure of NO+ is Choose... Choose. In the lewis structure for the CS, molecule, the number of unshared pairs of electrons on the central carbon is: 1 -1 The number of Tt bond (s) in the Lewis structure of NO- is Choose... An electron in the n= 6 level in hydrogen atom emits a photon with a wavelength of 93.8 nm. To what energy level does the electron move Choose... The formal charge on oxygen in the Lewis structure of NO+ is Choose...