1. © 2012 Pearson Education, Inc. Clicker Questions Chapter 2 Dana and Michelle Chatellier University of Delaware

2. © 2012 Pearson Education, Inc. The nucleus of an atom contains a.protons and neutrons. b.protons and electrons. c.electrons and neutrons. d.air.

3. © 2012 Pearson Education, Inc. Two atoms with the same atomic number but different mass numbers are called a.mutants. b.isomers. c.isotopes. d.symbiots.

4. © 2012 Pearson Education, Inc. The elements found on the left side of the periodic table tend to ______ electrons. a.gain b.lose c.keep d.share

5. © 2012 Pearson Education, Inc. A metal and a nonmetal react to form ________ compound. a.a molecular b.a mixed c.an empirical d.an ionic

6. © 2012 Pearson Education, Inc. Positive ions are called a.positrons. b.anions. c.cations. d.nucleons.

7. © 2012 Pearson Education, Inc. Compounds composed only of carbon and hydrogen are called a.binary acids. b.carbohydrates. c.hydrocarbons. d.alkanes.

8. © 2012 Pearson Education, Inc. The elements located in Group VIIA (Group 17) on the Periodic Table are called a.alkali metals. b.noble gases. c.chalcogens. d.halogens.

9. © 2012 Pearson Education, Inc. Acids produce _____ ions. a.OH -1 b.OH +1 c.H +1 d.H -1

10. © 2012 Pearson Education, Inc. Which of the formulas below does not represent a compound that actually exists? a.CaCO 3 b.H 2 O 2 c.KMnO 4 d.Na 2 PO 3

11. © 2012 Pearson Education, Inc. NaOCl is named a.sodium chlorate. b.sodium chlorite. c.sodium perchlorate. d.sodium hypochlorite.

12. © 2012 Pearson Education, Inc. LiNO 3 is named a.lithium nitrate. b.lanthanum nitrate. c.lanthanum nitrite. d.lithium nitrite.

13. © 2012 Pearson Education, Inc. Fe 2 O 3 is named a.diiron trioxide. b.iron(III) oxide. c.ferrous oxide. d.ironic oxide.

14. © 2012 Pearson Education, Inc. HIO 4 is named a.iodic acid. b.iodous acid. c.periodic acid. d.hydrogen iodate.

15. © 2012 Pearson Education, Inc. Cl 2 O 7 is named a.chlorine(VII) oxide. b.dichlorine hexaoxide. c.dichlorine heptaoxide. d.bichlorine heptaoxide.

16. © 2012 Pearson Education, Inc. C 3 H 8 is named a.ethane. b.propane. c.propanol. d.pentane.