Question 1

Which of the following compounds would you expect to be ionic?

Accepted Answer

A) C2H6 
B) NH3 
C) H2O2 
D) LiBr 
E) None of the above. 
A) C2H6 
B) NH3 
C) H2O2 
D) LiBr 
E) None of the above. D

Question 2

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 B

Question 3

Calcium is a ________ and silver is a ________.

Accepted Answer

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

Question 4

The formula of the chromate ion is ________.

Accepted Answer

A) CrO42- 
B) CrO23- 
C) Cr   
D) CrO32- 
E) CrO2- 
A) CrO42- 
B) CrO23- 
C) Cr   
D) CrO32- 
E) CrO2-

Question 5

The empirical formula of a compound with molecules containing 12 carbon atoms,14 hydrogen atoms,and 6 oxygen atoms is ________.

Accepted Answer

A) C12H14O6 
B) CHO 
C) CH2O 
D) C6H7O3 
E) C2H4O 
A) C12H14O6 
B) CHO 
C) CH2O 
D) C6H7O3 
E) C2H4O

Question 6

Element M reacts with fluorine to form an ionic compound with the formula M   .The M-ion has 21 electrons.Element M is ________.

Accepted Answer

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

Question 7

What is the molecular formula for heptane?

Accepted Answer

A) C6H12 
B) C6H14 
C) C7H14 
D) C7H16 
E) C7H18 
A) C6H12 
B) C6H14 
C) C7H14 
D) C7H16 
E) C7H18

Question 8

The following hypothetical element :   : can be found in which group on the periodic table?

Accepted Answer

The answer of The following hypothetical element :  ...

Question 9

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 10

The formula of the carbonate ion is ________.

Accepted Answer

A) CO22- 
B) CO32- 
C) CO33- 
D) CO2- 
E) CO- 
A) CO22- 
B) CO32- 
C) CO33- 
D) CO2- 
E) CO-

Question 11

Which one of the following basic forces is so small that it has no chemical significance?

Accepted Answer

A) weak nuclear force 
B) strong nuclear force 
C) electromagnetism 
D) gravity 
E) Coulomb's law 
A) weak nuclear force 
B) strong nuclear force 
C) electromagnetism 
D) gravity 
E) Coulomb's law

Question 12

In the symbol below,X = ________.   X

Accepted Answer

A) N 
B) C 
C) Al 
D) K 
E) not enough information to determine 
A) N 
B) C 
C) Al 
D) K 
E) not enough information to determine

Question 13

The 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) 52.62 
B) 56.14 
C) 55.70 
D) 55.40 
E) 55.74 
A) 52.62 
B) 56.14 
C) 55.70 
D) 55.40 
E) 55.74

Question 14

Which one of the following molecular formulas is also an empirical formula?

Accepted Answer

A) C6H6O2 
B) C2H6SO 
C) H2O2 
D) H2P4O6 
E) C6H6 
A) C6H6O2 
B) C2H6SO 
C) H2O2 
D) H2P4O6 
E) C6H6

Question 15

Oxygen forms an ion with a charge of ________.

Accepted Answer

A) 2- 
B) 2+ 
C) 3- 
D) 3+ 
E) 6+ 
A) 2- 
B) 2+ 
C) 3- 
D) 3+ 
E) 6+

Question 16

Which element is found in Period 2 and Group VIIA?

Accepted Answer

The answer of Which element is found in Period 2...

Question 17

Which species below is the chromate ion?

Accepted Answer

A) Cr2O72- 
B) CrO42- 
C) CH3COO- 
D) CO32- 
E) None of the above 
A) Cr2O72- 
B) CrO42- 
C) CH3COO- 
D) CO32- 
E) None of the above

Question 18

In the symbol below,x is ________.   C

Accepted Answer

A) the number of neutrons 
B) the atomic number 
C) the mass number 
D) the number of electrons 
E) the elemental symbol 
A) the number of neutrons 
B) the atomic number 
C) the mass number 
D) the number of electrons 
E) the elemental symbol

Question 19

Which formula/name pair is incorrect?

Accepted Answer

A) FeSO4 iron(II)sulfate 
B) Fe2(SO3)3 iron(III)sulfite 
C) FeS iron(II)sulfide 
D) FeSO3 iron(II)sulfite 
E) Fe2(SO4)3 iron(III)sulfide 
A) FeSO4 iron(II)sulfate 
B) Fe2(SO3)3 iron(III)sulfite 
C) FeS iron(II)sulfide 
D) FeSO3 iron(II)sulfite 
E) Fe2(SO4)3 iron(III)sulfide

Question 20

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

Exam 2: Atoms, molecules, and Ions

Which of the following compounds would you expect to be ionic?

What is the molecular formula for 1-hexanol?

Calcium is a ________ and silver is a ________.

The formula of the chromate ion is ________.

The empirical formula of a compound with molecules containing 12 carbon atoms,14 hydrogen atoms,and 6 oxygen atoms is ________.

Element M reacts with fluorine to form an ionic compound with the formula M .The M-ion has 21 electrons.Element M is ________.

What is the molecular formula for heptane?

The following hypothetical element : : can be found in which group on the periodic table?

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

The formula of the carbonate ion is ________.

Which one of the following basic forces is so small that it has no chemical significance?

In the symbol below,X = ________. X

The 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.

Which one of the following molecular formulas is also an empirical formula?

Oxygen forms an ion with a charge of ________.

Which element is found in Period 2 and Group VIIA?

Which species below is the chromate ion?

In the symbol below,x is ________. C

Which formula/name pair is incorrect?

The correct name for HClO3 is ________.

Introduction: Matter, energy, and Measurement

Chemical Reactions and Reaction Stoichiometry

Reactions in Aqueous Solution

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

Calcium is a and silver is a .

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

The correct name for HClO₃is ________.