Question 1

The formula for aluminum hydroxide is ________.

Accepted Answer

A) AlOH 
B) Al3OH 
C) Al2(OH)3 
D) Al(OH)3 
E) Al2O3 
A) AlOH 
B) Al3OH 
C) Al2(OH)3 
D) Al(OH)3 
E) Al2O3

Question 2

The name of the ionic compound V2O3 is ________.

Accepted Answer

A) vanadium (III)oxide 
B) vanadium oxide 
C) vanadium (II)oxide 
D) vanadium (III)trioxide 
E) divanadium trioxide 
A) vanadium (III)oxide 
B) vanadium oxide 
C) vanadium (II)oxide 
D) vanadium (III)trioxide 
E) divanadium trioxide

Question 3

The charge on the silver ion in the salt AgCl is ________.

Accepted Answer

A) +2 
B) +1 
C) +3 
D) +4 
E) +5 
A) +2 
B) +1 
C) +3 
D) +4 
E) +5

Question 4

The correct name for HClO is ________.

Accepted Answer

A) hydrochloric acid 
B) perchloric acid 
C) chloric acid 
D) chlorous acid 
E) hypochlorous acid 
A) hydrochloric acid 
B) perchloric acid 
C) chloric acid 
D) chlorous acid 
E) hypochlorous acid

Question 5

The element X has three naturally occurring isotopes. The isotopic masses (amu)and % abundances of the isotopes are given in the table below. The average atomic mass of the element is ________ amu.

Accepted Answer

A) 161.75 
B) 162.03 
C) 162.35 
D) 163.15 
E) 33.33 
A) 161.75 
B) 162.03 
C) 162.35 
D) 163.15 
E) 33.33

Question 6

Which species has 54 electrons?

Accepted Answer

A)    Xe+ 
B)    Te2- 
C)    Sn2+ 
D)    Cd 
E)    Xe2+ 
A)    Xe+ 
B)    Te2- 
C)    Sn2+ 
D)    Cd 
E)    Xe2+

Question 7

The suffix -ide is used primarily ________.

Accepted Answer

A) for monatomic anion names 
B) for polyatomic cation names 
C) for the name of the first element in a molecular compound 
D) to indicate binary acids 
E) for monoatomic cations 
A) for monatomic anion names 
B) for polyatomic cation names 
C) for the name of the first element in a molecular compound 
D) to indicate binary acids 
E) for monoatomic cations

Question 8

Consider the following selected postulates of Dalton's atomic theory: (i)Each element is composed of extremely small particles called atoms.
(ii)Atoms are indivisible.
(iii)Atoms of a given element are identical.
(iv)Atoms of different elements are different and have different properties.
Which of the postulates is(are)no longer considered valid?

Accepted Answer

A) (i)and (ii) 
B) (ii)only 
C) (ii)and (iii) 
D) (iii)only 
E) (iii)and (iv) 
A) (i)and (ii) 
B) (ii)only 
C) (ii)and (iii) 
D) (iii)only 
E) (iii)and (iv)

Question 9

How many total electrons are in the O2- ion?

Accepted Answer

A) 10 
B) 8 
C) 9 
D) 16 
E) 18 
A) 10 
B) 8 
C) 9 
D) 16 
E) 18

Question 10

Formulas that show how atoms are attached in a molecule are called ________.

Accepted Answer

A) molecular formulas 
B) ionic formulas 
C) empirical formulas 
D) diatomic formulas 
E) structural formulas 
A) molecular formulas 
B) ionic formulas 
C) empirical formulas 
D) diatomic formulas 
E) structural formulas

Question 11

A molecule of water contains hydrogen and oxygen in a 1:8 ratio by mass. This is a statement of ________.

Accepted Answer

A) the law of multiple proportions 
B) the law of constant composition 
C) the law of conservation of mass 
D) the law of conservation of energy 
E) none of the above 
A) the law of multiple proportions 
B) the law of constant composition 
C) the law of conservation of mass 
D) the law of conservation of energy 
E) none of the above

Question 12

What is the molecular formula for 1-hexanol?

Accepted Answer

A) C6H13O 
B) C6H14O 
C) C6H15O 
D) C7H14O 
E) C7H15O 
A) C6H13O 
B) C6H14O 
C) C6H15O 
D) C7H14O 
E) C7H15O

Question 13

Iodine forms an ion with a charge of ________.

Accepted Answer

A) 7- 
B) 1+ 
C) 2- 
D) 2+ 
E) 1- 
A) 7- 
B) 1+ 
C) 2- 
D) 2+ 
E) 1-

Question 14

Chromium and chlorine form an ionic compound whose formula is CrCl3. The name of this compound is ________.

Accepted Answer

A) chromium chlorine 
B) chromium (III)chloride 
C) monochromium trichloride 
D) chromium (III)trichloride 
E) chromic trichloride 
A) chromium chlorine 
B) chromium (III)chloride 
C) monochromium trichloride 
D) chromium (III)trichloride 
E) chromic trichloride

Question 15

An atom of the most common isotope of gold,   Au, has ________ protons, ________ neutrons, and ________ electrons.

Accepted Answer

A) 197, 79, 118 
B) 118, 79, 39 
C) 79, 197, 197 
D) 79, 118, 118 
E) 79, 118, 79 
A) 197, 79, 118 
B) 118, 79, 39 
C) 79, 197, 197 
D) 79, 118, 118 
E) 79, 118, 79

Question 16

Lithium is a ________ and magnesium is a ________.

Accepted Answer

A) nonmetal, metal 
B) nonmetal, nonmetal 
C) metal, metal 
D) metal, metalloid 
E) metalloid, metalloid 
A) nonmetal, metal 
B) nonmetal, nonmetal 
C) metal, metal 
D) metal, metalloid 
E) metalloid, metalloid

Question 17

How many electrons are there in one atom of 71Ga?

Accepted Answer

A) 40 
B) 70 
C) 71 
D) 31 
E) 13 
A) 40 
B) 70 
C) 71 
D) 31 
E) 13

Question 18

The correct name for H2SO4 is ________.

Accepted Answer

A) sulfuric acid 
B) sulfurous acid 
C) hydrosulfuric acid 
D) hydrosulfic acid 
E) sulfur hydroxide 
A) sulfuric acid 
B) sulfurous acid 
C) hydrosulfuric acid 
D) hydrosulfic acid 
E) sulfur hydroxide

Question 19

The gold foil experiment performed in Rutherford's lab ________.

Accepted Answer

A) confirmed the plum-pudding model of the atom 
B) led to the discovery of the atomic nucleus 
C) was the basis for Thomson's model of the atom 
D) utilized the deflection of beta particles by gold foil 
E) proved the law of multiple proportions 
A) confirmed the plum-pudding model of the atom 
B) led to the discovery of the atomic nucleus 
C) was the basis for Thomson's model of the atom 
D) utilized the deflection of beta particles by gold foil 
E) proved the law of multiple proportions

Question 20

Which statement below correctly describes the responses of alpha, beta, and gamma radiation to an electric field?

Accepted Answer

A) Both beta and gamma are deflected in the same direction, while alpha shows no response. 
B) Both alpha and gamma are deflected in the same direction, while beta shows no response. 
C) Both alpha and beta are deflected in the same direction, while gamma shows no response. 
D) Alpha and beta are deflected in opposite directions, while gamma shows no response. 
E) Only alpha is deflected, while beta and gamma show no response. 
A) Both beta and gamma are deflected in the same direction, while alpha shows no response. 
B) Both alpha and gamma are deflected in the same direction, while beta shows no response. 
C) Both alpha and beta are deflected in the same direction, while gamma shows no response. 
D) Alpha and beta are deflected in opposite directions, while gamma shows no response. 
E) Only alpha is deflected, while beta and gamma show no response.

Exam 2: Atoms, Molecules, and Ions

The formula for aluminum hydroxide is ________.

The name of the ionic compound V2O3 is ________.

The charge on the silver ion in the salt AgCl is ________.

The correct name for HClO is ________.

The element X has three naturally occurring isotopes. The isotopic masses (amu)and % abundances of the isotopes are given in the table below. The average atomic mass of the element is ________ amu.

Which species has 54 electrons?

The suffix -ide is used primarily ________.

How many total electrons are in the O2- ion?

Formulas that show how atoms are attached in a molecule are called ________.

A molecule of water contains hydrogen and oxygen in a 1:8 ratio by mass. This is a statement of ________.

What is the molecular formula for 1-hexanol?

Iodine forms an ion with a charge of ________.

Chromium and chlorine form an ionic compound whose formula is CrCl3. The name of this compound is ________.

An atom of the most common isotope of gold, Au, has ________ protons, ________ neutrons, and ________ electrons.

Lithium is a ________ and magnesium is a ________.

How many electrons are there in one atom of 71Ga?

The correct name for H2SO4 is ________.

The gold foil experiment performed in Rutherford's lab ________.

Which statement below correctly describes the responses of alpha, beta, and gamma radiation to an electric field?

Introduction: Matter and Measurement

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Thermochemistry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

The name of the ionic compound V₂O₃ is ________.

How many total electrons are in the O^2- ion?

Chromium and chlorine form an ionic compound whose formula is CrCl₃. The name of this compound is ________.

An atom of the most common isotope of gold, Au, has protons, neutrons, and electrons.

Lithium is a and magnesium is a .

How many electrons are there in one atom of ⁷¹Ga?

The correct name for H₂SO₄ is ________.