Question 1

In the periodic table, the rows are called __________ and the columns are called __________.

Accepted Answer

A) octaves, groups 
B) staffs, families 
C) periods, groups 
D) cogeners, families 
E) rows, groups 
A) octaves, groups 
B) staffs, families 
C) periods, groups 
D) cogeners, families 
E) rows, groups

Question 2

Which pair of atoms constitutes a pair of isotopes of the same element?

Accepted Answer

A)    X   X 
B)    X   X 
C)    X   X 
D)    X   X 
E)    X   X 
A)    X   X 
B)    X   X 
C)    X   X 
D)    X   X 
E)    X   X

Question 3

The correct name for Ca H2 is __________.

Accepted Answer

A) hydrocalcium 
B) calcium dihydride 
C) calcium hydroxide 
D) calcium dihydroxide 
E) calcium hydride 
A) hydrocalcium 
B) calcium dihydride 
C) calcium hydroxide 
D) calcium dihydroxide 
E) calcium hydride

Question 4

400 pm is the same as __________ Å.

Accepted Answer

A) 4000 
B) 40 
C) 400 
D) 4 
E) 0.0004 
A) 4000 
B) 40 
C) 400 
D) 4 
E) 0.0004

Question 5

Which species below is the sulfite ion?

Accepted Answer

A) SO2-2 
B) S O3-2 
C) S2- 
D) SO4-2 
E) HS- 
A) SO2-2 
B) S O3-2 
C) S2- 
D) SO4-2 
E) HS-

Question 6

Which species has 16 protons?

Accepted Answer

A) "31P" 
B) "34S2-" 
C) "36Cl" 
D) "80Br-" 
E) "16O" 
A) "31P" 
B) "34S2-" 
C) "36Cl" 
D) "80Br-" 
E) "16O"

Question 7

Predict the charge of the most stable ion of bromine.

Accepted Answer

A) 2+ 
B) 1+ 
C) 3+ 
D) 1- 
E) 2- 
A) 2+ 
B) 1+ 
C) 3+ 
D) 1- 
E) 2-

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

__________ and __________ reside in the atomic nucleus.

Accepted Answer

A) Protons, electrons 
B) Electrons, neutrons 
C) Protons, neutrons 
D) none of the above 
E) Neutrons, only neutrons 
A) Protons, electrons 
B) Electrons, neutrons 
C) Protons, neutrons 
D) none of the above 
E) Neutrons, only neutrons

Question 10

What is the molecular formula for 1-hexanol?

Accepted Answer

A) C6H12OH 
B) C6H13OH 
C) C6H14OH 
D) C7H13OH 
E) C7H14OH 
A) C6H12OH 
B) C6H13OH 
C) C6H14OH 
D) C7H13OH 
E) C7H14OH

Question 11

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 12

The correct name for SO is __________.

Accepted Answer

A) sulfur oxide 
B) sulfur monoxide 
C) sulfoxide 
D) sulfate 
E) sulfite 
A) sulfur oxide 
B) sulfur monoxide 
C) sulfoxide 
D) sulfate 
E) sulfite

Question 13

420 pm is the same as __________ Angstroms.

Accepted Answer

A) 4200 
B) 42 
C) 420 
D) 4.2 
E) 0.42 
A) 4200 
B) 42 
C) 420 
D) 4.2 
E) 0.42

Question 14

Vanadium has two naturally occurring isotopes, 50V with an atomic mass of 49.9472 amu and 51V with an atomic mass of 50.9440. The atomic weight of vanadium is 50.9415. The percent abundances of the vanadium isotopes are __________% 50V and __________% 51V.

Accepted Answer

A) 0.25, 99.75 
B) 99.75, 0.25 
C) 49, 51 
D) 1.0, 99 
E) 99, 1.0 
A) 0.25, 99.75 
B) 99.75, 0.25 
C) 49, 51 
D) 1.0, 99 
E) 99, 1.0

Question 15

The correct name for NaHCO3 is __________.

Accepted Answer

A) sodium hydride 
B) persodium carbonate 
C) persodium hydroxide 
D) sodium bicarbonate 
E) carbonic acid 
A) sodium hydride 
B) persodium carbonate 
C) persodium hydroxide 
D) sodium bicarbonate 
E) carbonic acid

Question 16

The correct formula of iron(III)bromide is __________.

Accepted Answer

A) FeBr2 
B) FeBr3 
C) FeBr 
D) Fe3Br3 
E) Fe3Br 
A) FeBr2 
B) FeBr3 
C) FeBr 
D) Fe3Br3 
E) Fe3Br

Question 17

Which of the following elements is a nonmetal?

Accepted Answer

A) P 
B) Si 
C) As 
D) B 
E) Sr 
A) P 
B) Si 
C) As 
D) B 
E) Sr

Question 18

Which species below is the nitride ion?

Accepted Answer

A) Na+ 
B) NO3- 
C) NO2- 
D) NH4+ 
E) N3- 
A) Na+ 
B) NO3- 
C) NO2- 
D) NH4+ 
E) N3-

Question 19

The correct name of the compound Na3N is __________.

Accepted Answer

A) sodium nitride 
B) sodium azide 
C) sodium trinitride 
D) sodium(III)nitride 
E) trisodium nitride 
A) sodium nitride 
B) sodium azide 
C) sodium trinitride 
D) sodium(III)nitride 
E) trisodium nitride

Question 20

In the symbol below, x is __________.   C

Accepted Answer

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

Exam 2: Atoms, Molecules, and Ions

In the periodic table, the rows are called __________ and the columns are called __________.

Which pair of atoms constitutes a pair of isotopes of the same element?

The correct name for Ca H2 is __________.

400 pm is the same as __________ Å.

Which species below is the sulfite ion?

Which species has 16 protons?

Predict the charge of the most stable ion of bromine.

__________ and __________ reside in the atomic nucleus.

What is the molecular formula for 1-hexanol?

The correct name for H2SO4 is __________.

The correct name for SO is __________.

420 pm is the same as __________ Angstroms.

Vanadium has two naturally occurring isotopes, 50V with an atomic mass of 49.9472 amu and 51V with an atomic mass of 50.9440. The atomic weight of vanadium is 50.9415. The percent abundances of the vanadium isotopes are __________% 50V and __________% 51V.

The correct name for NaHCO3 is __________.

The correct formula of iron(III)bromide is __________.

Which of the following elements is a nonmetal?

Which species below is the nitride ion?

The correct name of the compound Na3N is __________.

In the symbol below, x is __________. C

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

In the periodic table, the rows are called and the columns are called .

The correct name for Ca H₂ is __________.

and reside in the atomic nucleus.

The correct name for H₂SO₄ is __________.

Vanadium has two naturally occurring isotopes,⁵⁰V with an atomic mass of 49.9472 amu and ⁵¹V with an atomic mass of 50.9440. The atomic weight of vanadium is 50.9415. The percent abundances of the vanadium isotopes are % ⁵⁰V and % ⁵¹V.

The correct name for NaHCO₃ is __________.

The correct name of the compound Na₃N is __________.