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© 2015 Pearson Education, Inc.
Clicker Questions
Chapter 2
Barbara MoweryYork College
© 2015 Pearson Education, Inc.
The nucleus of an atom contains
a. protons and neutrons.b. protons and electrons.c. electrons and neutrons.d. protons, neutrons, and electrons.
© 2015 Pearson Education, Inc.
The nucleus of an atom contains
a. protons and neutrons.b. protons and electrons.c. electrons and neutrons.d. protons, neutrons, and electrons.
© 2015 Pearson Education, Inc.
Two atoms with the same atomic number but different mass numbers are called
a. mutants.b. isomers.c. isotopes.d. symbiots.
© 2015 Pearson Education, Inc.
Two atoms with the same atomic number but different mass numbers are called
a. mutants.b. isomers.c. isotopes.d. symbiots.
© 2015 Pearson Education, Inc.
Select the incorrect statement about the mass and volume ofan atom.a. The mass is determined mostly by the
protons and neutrons.b. The volume is mostly empty space.c. The mass is concentrated in the nucleus.d. The volume is determined by the
arrangement of the protons.
© 2015 Pearson Education, Inc.
Select the incorrect statement about the mass and volume ofan atom.a. The mass is determined mostly by the
protons and neutrons.b. The volume is mostly empty space.c. The mass is concentrated in the nucleus.d. The volume is determined by the
arrangement of the protons.
© 2015 Pearson Education, Inc.
For an atom of fluorine, theatomic number is ___ and theaverage atomic mass is ___.
a. 9; 18.988 amub. 18.998; 9 amuc. 10; 19 gd. 9; 9 g
© 2015 Pearson Education, Inc.
For an atom of fluorine, the atomic number is ___ and the average atomic mass is ___.
a. 9; 18.988 amub. 18.998; 9 amuc. 10; 19 gd. 9; 9 g
© 2015 Pearson Education, Inc.
Atomic weights on the periodic table are decimal numbers instead of integers becausea. the number of protons + neutrons
determines atomic weight.b. of the existence of isotopes.c. of the very small mass of electrons
compared to protons and neutrons.d. the number of protons + electrons
determines atomic weight.
© 2015 Pearson Education, Inc.
Atomic weights on the periodic table are decimal numbers instead of integers becausea. the number of protons + neutrons
determines atomic weight.b. of the existence of isotopes.c. of the very small mass of electrons
compared to protons and neutrons.d. the number of protons + electrons
determines atomic weight.
© 2015 Pearson Education, Inc.
The elements found on the right side of the periodic table tend to ______ electrons.
a. gainb. losec. keepd. share
© 2015 Pearson Education, Inc.
The elements found on the right side of the periodic table tend to ______ electrons.
a. gainb. losec. keepd. share
© 2015 Pearson Education, Inc.
Metals and nonmetals react to form ________ compounds.
a. molecularb. mixedc. empiricald. ionic
© 2015 Pearson Education, Inc.
Metals and nonmetals react to form ________ compounds.
a. molecularb. mixedc. empiricald. ionic
© 2015 Pearson Education, Inc.
Positive ions are called
a. positrons.b. anions.c. cations.d. nucleons.
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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.
© 2015 Pearson Education, Inc.
Compounds composed only of carbon and hydrogen are called
a. binary acids.b. carbohydrates.c. hydrocarbons.d. alkanes.
© 2015 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.
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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.
© 2015 Pearson Education, Inc.
Which of the formulas below does not represent a compound that actually exists?
a. CaCO3
b. H2O2
c. KMnO4
d. Na2PO3
© 2015 Pearson Education, Inc.
a. CaCO3
b. H2O2
c. KMnO4
d. Na2PO3
Which of the formulas below does not represent a compound that actually exists?
© 2015 Pearson Education, Inc.
Which name is incorrectly paired with the formula?
a. hydroxide ion; OH–
b. barium(II) chloride; BaCl2c. ammonia; NH3
d. sulfur dioxide; SO2
© 2015 Pearson Education, Inc.
Which name is incorrectly paired with the formula?
a. hydroxide ion; OH–
b. barium(II) chloride; BaCl2
c. ammonia; NH3
d. sulfur dioxide; SO2
© 2015 Pearson Education, Inc.
Acids produce _____ ions.
a. OH–1
b. OH+1
c. H+1
d. H–1
© 2015 Pearson Education, Inc.
Acids produce _____ ions.
a. OH–1
b. OH+1
c. H+1
d. H–1
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NaOCl is named
a. sodium chlorate.b. sodium chlorite.c. sodium perchlorate.d. sodium hypochlorite.
© 2015 Pearson Education, Inc.
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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LiNO3 is named
a. lithium nitrate.b. lanthanum nitrate.c. lanthanum nitrite.d. lithium nitrite.
© 2015 Pearson Education, Inc.
The formula for aluminum carbonate is
a. Al2(CO3)3.b. AlCO3.
c. Al2C3.d. Al3(CO3)2.
© 2015 Pearson Education, Inc.
The formula for aluminum carbonate is
a. Al2(CO3)3.b. AlCO3.c. Al2C3.d. Al3(CO3)2.
© 2015 Pearson Education, Inc.
Fe2O3 is named
a. diiron trioxide.b. iron(III) oxide.c. ferrous oxide.d. ironic oxide.
© 2015 Pearson Education, Inc.
Fe2O3 is named
a. diiron trioxide.b. iron(III) oxide.c. ferrous oxide.d. ironic oxide.
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Which acid is not an oxyacid?
a. hydrochloric acidb. nitric acidc. sulfurous acidd. acetic acid
© 2015 Pearson Education, Inc.
Which acid is not an oxyacid?
a. hydrochloric acidb. nitric acidc. sulfurous acidd. acetic acid
© 2015 Pearson Education, Inc.
HIO4 is named
a. iodic acid.b. iodous acid.c. periodic acid.d. hydrogen iodate.
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HIO4 is named
a. iodic acid.b. iodous acid.c. periodic acid.d. hydrogen iodate.
© 2015 Pearson Education, Inc.
Cl2O7 is named
a. chlorine(VII) oxide.b. dichlorine hexaoxide.c. dichlorine heptaoxide.d. bichlorine heptaoxide.
© 2015 Pearson Education, Inc.
Cl2O7 is named
a. chlorine(VII) oxide.b. dichlorine hexaoxide.c. dichlorine heptaoxide.d. bichlorine heptaoxide.
© 2015 Pearson Education, Inc.
C3H8 is named
a. ethane.b. propane.c. propanol.d. pentane.
© 2015 Pearson Education, Inc.
C3H8 is named
a. ethane.b. propane.c. propanol.d. pentane.