Question 1

Cathode rays are deflected away from a negatively charged plate because __________.

Accepted Answer

A) they are not particles 
B) they are positively charged particles 
C) they are neutral particles 
D) they are negatively charged particles 
E) they are emitted by all matter 
A) they are not particles 
B) they are positively charged particles 
C) they are neutral particles 
D) they are negatively charged particles 
E) they are emitted by all matter

Question 2

Which one of the following is a metal?

Accepted Answer

A) Sb 
B) Ge 
C) Br 
D) P 
E) W 
A) Sb 
B) Ge 
C) Br 
D) P 
E) W

Question 3

Element X has three naturally occurring isotopes. The 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) 41.54 
B) 39.68 
C) 39.07 
D) 38.64 
E) 33.33 
A) 41.54 
B) 39.68 
C) 39.07 
D) 38.64 
E) 33.33

Question 4

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 5

The correct name for HClO3 is __________.

Accepted Answer

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

Question 6

The atomic mass unit is presently based on assigning an exact integral mass (in amu)to an isotope of __________.

Accepted Answer

A) hydrogen 
B) oxygen 
C) sodium 
D) carbon 
E) helium 
A) hydrogen 
B) oxygen 
C) sodium 
D) carbon 
E) helium

Question 7

Of the following, only __________ is not a metal.

Accepted Answer

A) Hg 
B) Se 
C) V 
D) Lu 
E) Y 
A) Hg 
B) Se 
C) V 
D) Lu 
E) Y

Question 8

The element __________ is the most similar to chlorine in chemical and physical properties.

Accepted Answer

A) Li 
B) Rb 
C) O 
D) Br 
E) Ba 
A) Li 
B) Rb 
C) O 
D) Br 
E) Ba

Question 9

Element M reacts with fluorine to form an ionic compound with the formula MF3. The M-ion has 22 electrons. Element M is __________.

Accepted Answer

A) Al 
B) Mn 
C) Fe 
D) Sc 
E) Cr 
A) Al 
B) Mn 
C) Fe 
D) Sc 
E) Cr

Question 10

The nucleus of an atom contains __________.

Accepted Answer

A) electrons 
B) protons 
C) neutrons 
D) protons and neutrons 
E) protons, neutrons, and electrons 
A) electrons 
B) protons 
C) neutrons 
D) protons and neutrons 
E) protons, neutrons, and electrons

Question 11

Which metal is not required to have its charge specified in the names of ionic compounds it forms?

Accepted Answer

A) Mn 
B) Fe 
C) Cu 
D) Ca 
E) Pb 
A) Mn 
B) Fe 
C) Cu 
D) Ca 
E) Pb

Question 12

How many protons does the Br- ion possess?

Accepted Answer

A) 34 
B) 36 
C) 6 
D) 8 
E) 35 
A) 34 
B) 36 
C) 6 
D) 8 
E) 35

Question 13

The formula for the compound formed between aluminum ions and phosphate ions is __________.

Accepted Answer

A) Al3(PO4)3 
B) AlPO4 
C) Al(PO4)3 
D) Al2(PO4)3 
E) AlP 
A) Al3(PO4)3 
B) AlPO4 
C) Al(PO4)3 
D) Al2(PO4)3 
E) AlP

Question 14

What is the formula for perchloric acid?

Accepted Answer

A) HClO 
B) HClO3 
C) HClO4 
D) HClO2 
E) HCl 
A) HClO 
B) HClO3 
C) HClO4 
D) HClO2 
E) HCl

Question 15

200 pm is the same as __________ Å.

Accepted Answer

A) 2000 
B) 20 
C) 200 
D) 2 
E) 0.0002 
A) 2000 
B) 20 
C) 200 
D) 2 
E) 0.0002

Question 16

The formula of bromic acid is __________.

Accepted Answer

A) HBr 
B) HBrO4 
C) HBrO 
D) HBrO3 
E) HBrO2 
A) HBr 
B) HBrO4 
C) HBrO 
D) HBrO3 
E) HBrO2

Question 17

An ion has 8 protons, 9 neutrons, and 10 electrons. The symbol for the ion is __________.

Accepted Answer

A) "17O2-" 
B) "17O2+" 
C) "19F+" 
D) "19F-" 
E) "17Ne2+" 
A) "17O2-" 
B) "17O2+" 
C) "19F+" 
D) "19F-" 
E) "17Ne2+"

Question 18

When a metal and a nonmetal react, the __________ tends to lose electrons and the __________ tends to gain electrons.

Accepted Answer

A) metal, metal 
B) nonmetal, nonmetal 
C) metal, nonmetal 
D) nonmetal, metal 
E) None of the above, these elements share electrons. 
A) metal, metal 
B) nonmetal, nonmetal 
C) metal, nonmetal 
D) nonmetal, metal 
E) None of the above, these elements share electrons.

Question 19

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 20

Magnesium reacts with a certain element to form a compound with the general formula MgX. What would the most likely formula be for the compound formed between potassium and element X?

Accepted Answer

A) K2X 
B) KX2 
C) K2X3 
D) K2X2 
E) KX 
A) K2X 
B) KX2 
C) K2X3 
D) K2X2 
E) KX

Exam 2: Atoms, Molecules, and Ions

Cathode rays are deflected away from a negatively charged plate because __________.

Which one of the following is a metal?

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

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

The correct name for HClO3 is __________.

The atomic mass unit is presently based on assigning an exact integral mass (in amu)to an isotope of __________.

Of the following, only __________ is not a metal.

The element __________ is the most similar to chlorine in chemical and physical properties.

Element M reacts with fluorine to form an ionic compound with the formula MF3. The M-ion has 22 electrons. Element M is __________.

The nucleus of an atom contains __________.

Which metal is not required to have its charge specified in the names of ionic compounds it forms?

How many protons does the Br- ion possess?

The formula for the compound formed between aluminum ions and phosphate ions is __________.

What is the formula for perchloric acid?

200 pm is the same as __________ Å.

The formula of bromic acid is __________.

An ion has 8 protons, 9 neutrons, and 10 electrons. The symbol for the ion is __________.

When a metal and a nonmetal react, the __________ tends to lose electrons and the __________ tends to gain electrons.

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

Magnesium reacts with a certain element to form a compound with the general formula MgX. What would the most likely formula be for the compound formed between potassium and element X?

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 correct name for HClO₃ is __________.

Element M reacts with fluorine to form an ionic compound with the formula MF₃. The M-ion has 22 electrons. Element M is __________.

How many protons does the Br^- ion possess?

An ion has 8 protons, ^{9 neutrons, and 10 electrons. The symbol for the ion is __________.}

When a metal and a nonmetal react, the tends to lose electrons and the tends to gain electrons.