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- Represent the following molecules by Lewis structures: a. CH4 each H atom is bonded to the C atom b. CO2 each O atom is bonded to the C atom c. H2Se each H atom is bonded to the Se atom d. NH3 the H atom is bonded to the N atomarrow_forwardThe type of bond expected between an atom of potassium and an atom of sulfur is a. an ionic bond b. a polar covalent bond c. a nonpolar covalent bond d. a metallic bondarrow_forward1. The molecule boron trifluoride, BF3, assumes a trigonal planar geometry with boron as the central atom. Which statement correctly describes the polarity of the B-F bond and the polarity of the molecule? A. The B-F bond is polar; the BF3 molecule is nonpolar. B. The B-F bond is nonpolar; the BF3 molecule is nonpolar. C. The B-F bond is nonpolar; the BF3 molecule is polar. D. The B-F bond is polar; the BF3 molecule is polar. E. The polarity cannot be determined. 2. Which of the following species will exhibit tetrahedral geometry? A. CCI4 B. CO32 - C. 03 D. PCI5 E. SF6 3. If a compound has a polar bonds, then 1. It is polar overall. II. There is an electronegativity difference between the bonded atoms. III. It is ionic. IV. It doesn't have resonance. A. Il only B. II, IV C. I, II, IV D. I, II E. All of the above statements are correct. 4. Predict the geometry and polarity of the CS2 molecule. A. linear, nonpolar B. linear, nonpolar C. tetrahedral, polar D. bent, polar E. bent, nonpolararrow_forward
- TTT One or more positively-charged 1 negatively-charged atoms. A. Ionic bond B. Covalent bond atoms are electrostatically bound to one or more C. Metallic bond D. Hydrogen bond Hydrogen atoms are attached to a very electronegative atom. The hydrogen atom on 2 one molecule is attracted to the electronegative atom on another molecule. A. Ionic bond C. Metallic bond B. Covalent bond D. Hydrogen bond Electrons are not shared. Atoms have gained or lost valence electrons such that they 3 have a full octet of valence electrons. A. Ionic bond B. Covalent bond A. Ionic bond B. Covalent bond C. Metallic bond D. Hydrogen bond Atoms share two or more valence electrons with other atoms such that they have a 4 full octet of valence electrons. C. Metallic bond D. Hydrogen bond 5 The strongest type of chemical bond. A. Ionic bond B. Covalent bond C. Metallic bond D. Hydrogen bond Atoms are so tightly packed together that their valence electrons move freely from 6 atom to atom. A. Ionic bond B.…arrow_forwardWhich bond is the longest? A. HF B. HCI C. HBr D. HIarrow_forwardUse table of electronegativities to determine the bond formed between Sulfur & Fluorine a. ionic b. polar covalent c. nonpolar covalent d. none of these 10. Use table of electronegativities to determine the bond formed b/w Potassium & Chloride a. ionic b. polar covalent C. nonpolar covalent d. none of these 11. Use table of electronegativities to determine the bond formed b/w Nitrogen & Silicon a. ionic b. polar covalent c. nonpolar covalent d. none of these 12. Use table of electronegativities to determine the bond formed b/w Hydrogen & Sulfur a. ionic b. polar covalent c. nonpolar covalent d. none of these 13 Use table of electronegativities to determine the bond formed b/w Oxygen & Phosphorus a. ionic b. polar covalent c. nonpolar covalent d. none of these Page 2 /4 C & 4 8.arrow_forward
- Which type of bond will result in formation of ions? A. Ionic B. Covalent C. Hydrogen D. Alphaarrow_forwardTIT Electrons are not shared. Atoms have gained or lost valence electrons such that they 3 have a full octet of valence electrons. A. Ionic bond B. Covalent bond C. Metallic bond D. Hydrogen bond Atoms share two or more valence electrons with other atoms such that they have a 4 full octet of valence electrons. A. Ionic bond B. Covalent bond C. Metallic bond D. Hydrogen bond 5 The strongest type of chemical bond. A. Ionic bond B. Covalent bond C. Metallic bond D. Hydrogen bond Atoms are so tightly packed together that their valence electrons move freely from 6 atom to atom. A. Ionic bond B. Covalent bond A. Ionic bond B. Covalent bond C. M allic bond D. Hydrogen bond 7 Chemical bond that forms between a nonmetal atom and a metal atom. A. Ionic bond C. Metallic bond B. Covalent bond D. Hydrogen bond 8 Chemical bond that forms between many metal atoms. A. Ionic bond C. Metallic bond B. Covalent bond D. Hydrogen bond 9 Chemical bond that forms between nonmetal atom and another nonmetal…arrow_forwardBeaulac Highline CHEM& 121 6) Double and triple bonds form because a. the atoms involved have high electronegativities. b. single covalent bonds do not give all of the atoms in the molecule 8 valence electrons. C. one of the atoms in the molecule has more than 8 valence electrons. d. the ions involved have charges larger than one. 0) Group IIA metals form ions with a charge. 8) Group VA nonmetals form ions with a charge. ) Group VIIA nonmetals form ions with a charge. ) List the metals not in group IA or IIA that only form one ion. ) Fill in the blanks in the following table: Polyatomic Ion Chemical Formula Polyatomic Ion Chemical Formula sulfate chlorate NO2 ammonium perbromate PO,3- CIO- nitrate bicarbonate cyanide iodite OH carbonatearrow_forward
- When there is a reaction between each of these pairs ofatoms, ions form. Using Lewis symbols, write the reactions showing how electrons are lost or gained when theseatoms become ions.a. Na + O b. Na + S c. Si + Harrow_forward1-When sulfur-containing fuels are burned, sulfur trioxide (SO3) is formed in the atmosphere and contributes to acid rain (sulfur trioxide plus water produces sulfuric acid). How many resonance structures are there for SO3 when each atom satisfies the octet rule? a.1 b.0 c.2 d.4 e.3 2-The l = 3 ubshell contains how many total electrons? a.18 b.6 c.2 d.14 e.10 3-The measure of an atom's ability to attract electrons in a chemical bond is called ________ a.hybridization. b.electron affinity. c.ionic radius. d.electronegativity. e.ionization energy.arrow_forward1. An unknown liquid is added to a beaker of water. After a few minutes you discover that unknown liquid is floating on top of the water in a separate layer. Explain what type of compound the unknown liquid is, and how you know? 2. Classify each bond as ionic, nonpolar covalent, or polar covalent.arrow_forward
- Chemistry for Today: General, Organic, and Bioche...ChemistryISBN:9781305960060Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. HansenPublisher:Cengage Learning
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