Bonding - Unit 6: Bonding 50 point quiz (MC = 2 points...

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Unit 6: Bonding – 50 point quiz (MC = 2 points each, SA = 10 points) 1. The carbon atoms in graphite and the carbon atoms in diamond have different a. Atomic numbers b. Atomic masses c. electronegativities d. structural arrangements 2. Which formula represents an ionic compound? a. H 2 b. CH 4 c. CH 3 OH d. NH 4 Cl 3. At standard pressure, a certain compound has a low boiling point and is insoluble in water. At STP, this compound most likely exists as a. Ionic crystals b. Metallic crystals c. Nonpolar molecules d. Polar molecules 4. Which formula represents lead(II) chromate? a. PbCrO 4 b. Pb(CrO 4 ) 2 c. Pb 2 CrO 4 d. Pb 2 (CrO 4 ) 3 5. An atom in the ground state contains a total of 5 electrons, 5 protons and 5 neutrons. Which Lewis-dot diagram represents this atom? a. b. c. d. 6. Which molecule contains a nonpolar covalent bond? a. CO 2 b. Br 2 c. CO d. CCl 4 7. Element X reacts with iron to form two different compounds with the formulas FeX and Fe 2 X 3 . To which group on the Periodic Table does element X belong? a. Group 8 b. Group 2 c. Group 13 d. Group 16 8. The high electrical conductivity of metals is primarily due to a. High ionization energies b. Filled energy levels c. Mobile electrons d. High electronegativities 9. A compound is made up of iron and oxygen only. The ratio of iron ions to oxide ions is 2:3 in this compound. The IUPAC name for
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Bonding - Unit 6: Bonding 50 point quiz (MC = 2 points...

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