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Introduction to General, Organic and Biochemistry
11th Edition
ISBN: 9781285869759
Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher: Cengage Learning
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Question
Select the most electronegative atom.
answer choices
Cl
Br
S
Se
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- I send this question but I did no understood the answer even the explanation I need good explanation I need to learn please thank youarrow_forwardDraw Lewis electron dot diagrams for the following species: (a) AsH3 ; (b) HOCl; (c) KrF+ ; (d) PO2Cl2 (central P atom).arrow_forward3-121 Tetrafluoroethylene is the starting material for the production of poly(tetrafluoroethylene), PTFE, a polymer that is widely used for the preparation of nonstick coatings on kitchenware (Section 12-7). The most widely known trade name for this product is Teflon®. (a) Complete the Lewis structure for tetrafluoroeth ylene by showing all unshared pairs of electrons. (b) Predict the FCF and FCC bond angles in this molecule. (c) Does tetrafluoroethylene have polar bonds? Is it a polar molecule? Does it have a dipole?arrow_forward
- 3-66 Why can’t second-row elements have more than eight electrons in their valence shells? That is, why does the octet rule work for second-row elements?arrow_forward3-31 Why does electronegativity generally increase going from left to right across a row of the Periodic Table?arrow_forward3-106 Consider the structure of Penicillin G shown below, an antibiotic used to treat bacterial infections caused by gram-positive organisms, derived from Penicillium fungi: (a) Identify the various types of geometries present in each central atom using VSEPR theory. (b) Determine the various relative bond angles associated with each central atom using VSEPR theory (c) Which is the most poiar bond in Penicillin G? (d) Would you predict Penicillin G to be polar or nonpolar?arrow_forward
- 3-105 Consider the structure of Vitamin E shown below, which is found most abundantly in wheat germ oil, sunflower, and safflower oils: (a) Identify the various types of geometries present in each central atom using VSEPR theory. (b) Determine the various relative bond angles as sociated with each central atom using VSEPR theory. (c) Which is the most polar bond in Vitamin E? (d) Would you predict Vitamin E to be polar or nonpolar?arrow_forwardBased on the concept of formal charge, what is the central atom in (a) HCN (do not include H as a possibility)? b) NOCI (Cl is always a terminal atom)?arrow_forwardPlease help me with the following question, explain it and make sure everything its correct 100% pls and thank youarrow_forward
- Which of these best descibe formal charge? Select all that apply. The difference between the number of electrons around an atom in the free state and the number of electrons assigned to the atom in the Lewis structure an atom in a chemical compound. O The formal charge of each atom is calculated by subtracting the number of valence electrons in the neutral atomfrom the number of electrons assigned to the atom. O Can be used to help determine the most reasonable distribution of electrons in a molecule or ion. O The charge that an atom in a molecule or ion would have if all atoms had the same electronegativity.arrow_forwardHow many resonance structures can be drawn for the perbromate ion (BrO4) in which the central bromine atom bears a -1 formal charge and the oxygens bear formal charges of either zero or-1? Enter your answer as a whole number. Answer Instruc Enter Value C Que Quesarrow_forwardRank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on.arrow_forward
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