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Clicker Questions

Chapter 2

Dana and Michelle Chatellier

University of Delaware

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The nucleus of an atom contains

a. protons and neutrons.

b. protons and electrons.

c. electrons and neutrons.

d. air.

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Two atoms with the same atomic number but different mass numbers are called

a. mutants.

b. isomers.

c. isotopes.

d. symbiots.

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The elements found on the left side of the periodic table tend to ______ electrons.

a. gain

b. lose

c. keep

d. share

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A metal and a nonmetal react to form ________ compound.

a. a molecular

b. a mixed

c. an empirical

d. an ionic

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Positive ions are called

a. positrons.

b. anions.

c. cations.

d. nucleons.

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Compounds composed only of carbon and hydrogen are called

a. binary acids.

b. carbohydrates.

c. hydrocarbons.

d. alkanes.

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The elements located in Group VIIA (Group 17) on the Periodic Table are called

a. alkali metals.

b. noble gases.

c. chalcogens.

d. halogens.

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Acids produce _____ ions.

a. OH-1

b. OH+1

c. H+1

d. H-1

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Which of the formulas below does not represent a compound that actually exists?

a. CaCO3

b. H2O2

c. KMnO4

d. Na2PO3

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NaOCl is named

a. sodium chlorate.

b. sodium chlorite.

c. sodium perchlorate.

d. sodium hypochlorite.

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LiNO3 is named

a. lithium nitrate.

b. lanthanum nitrate.

c. lanthanum nitrite.

d. lithium nitrite.

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Fe2O3 is named

a. diiron trioxide.

b. iron(III) oxide.

c. ferrous oxide.

d. ironic oxide.

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HIO4 is named

a. iodic acid.

b. iodous acid.

c. periodic acid.

d. hydrogen iodate.

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Cl2O7 is named

a. chlorine(VII) oxide.

b. dichlorine hexaoxide.

c. dichlorine heptaoxide.

d. bichlorine heptaoxide.

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C3H8 is named

a. ethane.

b. propane.

c. propanol.

d. pentane.