The best Lewis structure for O2 shows O a single covalent bond. O a double covalent bond. O an ionic bond. O a total of 32 electrons. O six lone pairs.

Which of the following elements, when combined, would form a polar covalent bond? O F and H Cl and H O P and H OB and H

What is wrong with the Lewis structure of OF2 as show here: F-O=F The Lewis structure includes too many valence electrons. O The Lewis structure includes too few valence electrons O Nothing is wrong with the Lewis structure; it is correct. O The Lewis structure includes an atom that has an expanded octet, but is not allowed to have an expanded octet O The Lewis structure includes an atom that does not have an octet of valence electrons

Which of the following has the bonds correctly arranged in order of increasing polarity? A О-—F, Bе—F, Mg—F, N—F В 0-F, N-F, Be-F, Mg-F с) N-F, Be—F, Mg—F, О—F Mg-F, Be-F, N-F, 0-F Be-F, Mg-F, N-F, 0–F

Which of the following is true about the Lewis structure of NF3? O 26 valence electrons have to be accounted for in NF3 O There are single covalent bonds between N and F O The N atom is less electronegative than the F and so occupies the central position in the skeletal structre O All of the above 目 DELL -> %24

What is the Lewis structure for chloroethylene (C 2H 3Cl)? OA. H H H-C=ċ-Cl: O B. H H H C-C-CI OC. H H H-C-C- O D. H H H-C=C-CI

chemical reaction 1. The equation shows a --the breaking and forming of chemical bonds that leads to a reactant product nonpolar covalent bond polar covalent bond equal to different from hydrogen bond change in the composition of matter. 2. In the equation, CO2 is a 3. In the equation, C6H12O6 is a 4. In O2, the type of bond that holds the two oxygen atoms together is a 5. In H2O, the type of bond that holds one of the hydrogen atoms to the oxygen atom is a 6. The number of oxygen atoms on the left side of the equation is atoms on the right side. the number of oxygen

Decide if each of the electron dot pictures, shown below for the indicated molecules, is an acceptable Lewis structure.     Lewis structure of O2? Lewis structure of CO?

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O Resou A compound composed of 3.3% H, 19.3% C, and 77.4% O has a molar mass of approximately 60 g/mol. What is the molecular formula of the compound? molecular formula: H,CO, Draw the Lewis structure of the compound where the H atom(s) are bonded to O atom(s). Incorrect the C atom in this compound?