Draw the molecules on the canvas by choosing buttons from the Tools (for bonds). Atoms, and Advanced Template toolbars. The single bond is active by default. H CONT i? 1 [1] 4 A== Marvin JS Chemaxon ADOOOOOA Submit Request Answer Br

BE4E | MMai | Far | L|AH|ae|ar|| | | a O Q om/ilmn/takeAssignment/takeCovalentActivity.do?locator-assignment-take For each bond, show the direction of polarity by selecting the correct partial charges. ✓I-Br F-I F-Br V The most polar bond is Submit Answer [Review Topics] [References] Use the References to access important values if needed for this quest V Retry Entire Group 4 No more group attempts remain

What are the formal charges on the sulfur (S), carbon (C), and nitrogen (N) atoms, respectively, in the resonance structure that contributes most to the stability of the thiocyanate ion, SCN ? The possible resonance structures for the thiocyanate ion, SCN , are $=c=N]' 5-c=Ñ]" [:s=c-N:] ' Structure A Structure B Structure C Express your answers as integers separated by commas. • View Available Hint(s) formal charge on sulfur (S), carbon (C) and nitrogen (N) atoms = Submit

What is a resonance dot structure? How do you know if you have resonance? I !!! H Normal EEAA Enter your answer here ||' ||| ||| BIUS √x 2 T₂

CH3 CH3 HO: Draw the molecule on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars, including charges where needed. The single bond is active by default. NN 1 [1] A 7 H 12D EXP. CONT ● Marvin JS by ChemAxon H C N O S CI Br - ס ד F

This not a graded assignment I promise. This is just practice.

lectronegativity ools Add-ons Help Last edit was yesterday at 7:12 AM BIUA 回ロ,=-三 oxt 4. Russo One 30 Electronegativity Back ground The bonds butwoan atoms can be of diffarant songths Same atams bond vary ighty and an difficult to bruak. Ohars are wa ak and can be sap aratod aaily. Alhaugh theG are many lactoms that affact tha strangh of bands, and of the most important is the difloranco in the alameres ductonegativity Ins truc tons For this assignmont, use the information bulow to detarmina the strangth of the band banwaan the twa elamants 21 Decreasing Be N 10 1 20 4.0 17 Diffarence Botween Strength of bond 12 Mg 12 20 16 13 Al 14 15 Elactronegativit ies Na 19 1.7 and greater Extremety Strong 21 Ca 22 Sc 23 24 25 Or Mn 26 26 28 Cu Ti Fe Co 19 45 Ni Ga 16 Ge NO 1.5 1.5 0.9 to 1.09 15 43 Rlu Duans 37 38 39 40 46 Pd 41 42 44 50 47 Ag 53 Ro Mo 0.4 to 0.89 Weak Te 21 25 0.8 12 57 56 La 10 14 16 10 22 22 22 72 HE 0.0 to .039 56 Cs 0.7 73 74 Extremety Weak 75 Fe Os 78 81 A 1.1 1.3 1.5 17 19…

CH3 CH3 CH3C CCH3 Y H-Ċi: Draw the molecules on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars, including charges where needed. The single bond is active by default. NN [1] A H 12D ។ EXP. CONT Marvin JS by ChemAxon I UZ OSJ Br I P F

Choose Lewis structures for the following. Choose all resonance structures where applicable. (Select all that apply.) a. NO₂ 01:0=№=0:1 olö-N-61 dö_i=0) dö=–6:] |8-N=81 ON 0: b. SCN | S=C—N [:S=C=N:] ol || S=C=N |:S—C=N:

Formulas of ionic compounds