2015 Pearson Education, Inc. Clicker Questions Chapter 2 Barbara Mowery York College.

Clicker Questions

Chapter 2

Barbara MoweryYork College

The nucleus of an atom contains

a. protons and neutrons.b. protons and electrons.c. electrons and neutrons.d. protons, neutrons, and electrons.

The nucleus of an atom contains

a. protons and neutrons.b. protons and electrons.c. electrons and neutrons.d. protons, neutrons, and electrons.

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

a. mutants.b. isomers.c. isotopes.d. symbiots.

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

a. mutants.b. isomers.c. isotopes.d. symbiots.

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.

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.

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

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

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.

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.

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

a. gainb. losec. keepd. share

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

a. gainb. losec. keepd. share

Metals and nonmetals react to form ________ compounds.

a. molecularb. mixedc. empiricald. ionic

Metals and nonmetals react to form ________ compounds.

a. molecularb. mixedc. empiricald. ionic

Positive ions are called

a. positrons.b. anions.c. cations.d. nucleons.

Positive ions are called

a. positrons.b. anions.c. cations.d. nucleons.

Compounds composed only of carbon and hydrogen are called

a. binary acids.b. carbohydrates.c. hydrocarbons.d. alkanes.

Compounds composed only of carbon and hydrogen are called

a. binary acids.b. carbohydrates.c. hydrocarbons.d. alkanes.

The elements located in Group VIIA (Group 17) on the periodic table are called

a. alkali metals.b. noble gases.c. chalcogens.d. halogens.

The elements located in Group VIIA (Group 17) on the periodic table are called

a. alkali metals.b. noble gases.c. chalcogens.d. halogens.

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

a. CaCO3

b. H2O2

c. KMnO4

d. Na2PO3

a. CaCO3

b. H2O2

c. KMnO4

d. Na2PO3

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

Which name is incorrectly paired with the formula?

a. hydroxide ion; OH–

b. barium(II) chloride; BaCl2c. ammonia; NH3

d. sulfur dioxide; SO2

Which name is incorrectly paired with the formula?

a. hydroxide ion; OH–

b. barium(II) chloride; BaCl2

c. ammonia; NH3

d. sulfur dioxide; SO2

Acids produce _____ ions.

a. OH–1

b. OH+1

c. H+1

d. H–1

Acids produce _____ ions.

a. OH–1

b. OH+1

c. H+1

d. H–1

NaOCl is named

a. sodium chlorate.b. sodium chlorite.c. sodium perchlorate.d. sodium hypochlorite.

NaOCl is named

a. sodium chlorate.b. sodium chlorite.c. sodium perchlorate.d. sodium hypochlorite.

LiNO3 is named

a. lithium nitrate.b. lanthanum nitrate.c. lanthanum nitrite.d. lithium nitrite.

LiNO3 is named

a. lithium nitrate.b. lanthanum nitrate.c. lanthanum nitrite.d. lithium nitrite.

The formula for aluminum carbonate is

a. Al2(CO3)3.b. AlCO3.

c. Al2C3.d. Al3(CO3)2.

The formula for aluminum carbonate is

a. Al2(CO3)3.b. AlCO3.c. Al2C3.d. Al3(CO3)2.

Fe2O3 is named

a. diiron trioxide.b. iron(III) oxide.c. ferrous oxide.d. ironic oxide.

Fe2O3 is named

a. diiron trioxide.b. iron(III) oxide.c. ferrous oxide.d. ironic oxide.

Which acid is not an oxyacid?

a. hydrochloric acidb. nitric acidc. sulfurous acidd. acetic acid

Which acid is not an oxyacid?

a. hydrochloric acidb. nitric acidc. sulfurous acidd. acetic acid

HIO4 is named

a. iodic acid.b. iodous acid.c. periodic acid.d. hydrogen iodate.

HIO4 is named

a. iodic acid.b. iodous acid.c. periodic acid.d. hydrogen iodate.

Cl2O7 is named

a. chlorine(VII) oxide.b. dichlorine hexaoxide.c. dichlorine heptaoxide.d. bichlorine heptaoxide.

Cl2O7 is named

a. chlorine(VII) oxide.b. dichlorine hexaoxide.c. dichlorine heptaoxide.d. bichlorine heptaoxide.

C3H8 is named

a. ethane.b. propane.c. propanol.d. pentane.

C3H8 is named

a. ethane.b. propane.c. propanol.d. pentane.

2015 Pearson Education, Inc. Clicker Questions Chapter 2 Barbara Mowery York College.

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