Question 1

Which species below is the nitrate ion?

Accepted Answer

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

Question 2

The name of the ionic compound NH4CN is __________.

Accepted Answer

A) nitrogen hydrogen cyanate 
B) ammonium carbonitride 
C) ammonium cyanide 
D) ammonium hydrogen cyanate 
E) cyanonitride 
A) nitrogen hydrogen cyanate 
B) ammonium carbonitride 
C) ammonium cyanide 
D) ammonium hydrogen cyanate 
E) cyanonitride

Question 3

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) C6 H7O3 
E) C2H4O 
A) C12H14O6 
B) CHO 
C) CH2O 
D) C6 H7O3 
E) C2H4O

Question 4

Of the choices below, which one is not an ionic compound?

Accepted Answer

A) PCl5 
B) MoCl6 
C) RbCl 
D) PbCI2 
E) NaCl 
A) PCl5 
B) MoCl6 
C) RbCl 
D) PbCI2 
E) NaCl

Question 5

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 6

The charge on the copper ion in the salt CuO is __________.

Accepted Answer

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

Question 7

The name of the ionic compound RbBrO4 is __________.

Accepted Answer

A) rubidium perbromate 
B) rubidium bromate 
C) rubidium hypobromate 
D) rubidium perbromite 
E) rubidium bromide 
A) rubidium perbromate 
B) rubidium bromate 
C) rubidium hypobromate 
D) rubidium perbromite 
E) rubidium bromide

Question 8

Different isotopes of a particular element contain the same number of __________.

Accepted Answer

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

Question 9

Which atom has the largest number of neutrons?

Accepted Answer

A) phosphorus-30 
B) chlorine-37 
C) potassium-39 
D) argon-40 
E) calcium-40 
A) phosphorus-30 
B) chlorine-37 
C) potassium-39 
D) argon-40 
E) calcium-40

Question 10

Elements in Group 6A are known as the __________.

Accepted Answer

A) alkali metals 
B) chalcogens 
C) alkaline earth metals 
D) halogens 
E) noble gases 
A) alkali metals 
B) chalcogens 
C) alkaline earth metals 
D) halogens 
E) noble gases

Question 11

The possible oxidation numbers for iron are +1 and +2.

Accepted Answer

A) True 
 B)False

Question 12

What group in the periodic table would the fictitious element :   : be found?

Accepted Answer

The answer of What group in the periodic table would...

Question 13

The correct formula for molybdenum(IV)hypochlorite is __________.

Accepted Answer

A) Mo(ClO3)4 
B) Mo(ClO)4 
C) Mo(ClO2)4 
D) Mo(ClO4)4 
E) MoCl4 
A) Mo(ClO3)4 
B) Mo(ClO)4 
C) Mo(ClO2)4 
D) Mo(ClO4)4 
E) MoCl4

Question 14

An atom of the most common isotope of gold, 197Au, 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 15

Which pair of elements would you expect to exhibit the greatest similarity in their physical and chemical properties?

Accepted Answer

A) As, Br 
B) Mg, Al 
C) I, At 
D) Br, Kr 
E) N,O 
A) As, Br 
B) Mg, Al 
C) I, At 
D) Br, Kr 
E) N,O

Question 16

Predict the empirical formula of the ionic compound that forms from aluminum and oxygen.

Accepted Answer

A) AlO 
B) Al3O2 
C) Al2O3 
D) AlO2 
E) Al2O 
A) AlO 
B) Al3O2 
C) Al2O3 
D) AlO2 
E) Al2O

Question 17

The ions Ca2+and PO43- form a salt with the formula __________.

Accepted Answer

A) CaPO4 
B) Ca2 (PO4)3 
C) Ca2PO4 
D) Ca(PO4)2 
E) Ca3 (PO4)2 
A) CaPO4 
B) Ca2 (PO4)3 
C) Ca2PO4 
D) Ca(PO4)2 
E) Ca3 (PO4)2

Question 18

Barium reacts with a polyatomic ion to form a compound with the general formula Ba3(X)2. What would be the most likely formula for the compound formed between sodium and the polyatomic ion X?

Accepted Answer

A) NaX 
B) Na2X 
C) Na2X2 
D) Na3X 
E) Na3X2 
A) NaX 
B) Na2X 
C) Na2X2 
D) Na3X 
E) Na3X2

Question 19

Iron and chlorine form an ionic compound whose formula is FeCl3. The name of this compound is __________.

Accepted Answer

A) iron chlorine 
B) iron (III)chloride 
C) moniron trichloride 
D) iron (III)trichloride 
E) ferric trichloride 
A) iron chlorine 
B) iron (III)chloride 
C) moniron trichloride 
D) iron (III)trichloride 
E) ferric trichloride

Question 20

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

Exam 2: Atoms, Molecules, and Ions

Which species below is the nitrate ion?

The name of the ionic compound NH4CN is __________.

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

Of the choices below, which one is not an ionic compound?

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

The charge on the copper ion in the salt CuO is __________.

The name of the ionic compound RbBrO4 is __________.

Different isotopes of a particular element contain the same number of __________.

Which atom has the largest number of neutrons?

Elements in Group 6A are known as the __________.

The possible oxidation numbers for iron are +1 and +2.

What group in the periodic table would the fictitious element : : be found?

The correct formula for molybdenum(IV)hypochlorite is __________.

An atom of the most common isotope of gold, 197Au, has __________ protons, __________ neutrons, and __________ electrons.

Which pair of elements would you expect to exhibit the greatest similarity in their physical and chemical properties?

Predict the empirical formula of the ionic compound that forms from aluminum and oxygen.

The ions Ca2+and PO43- form a salt with the formula __________.

Barium reacts with a polyatomic ion to form a compound with the general formula Ba3(X)2. What would be the most likely formula for the compound formed between sodium and the polyatomic ion X?

Iron and chlorine form an ionic compound whose formula is FeCl3. The name of this compound is __________.

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

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 NH₄CN is __________.

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

The name of the ionic compound RbBrO₄ is __________.

An atom of the most common isotope of gold, ¹⁹⁷Au, has protons, neutrons, and __ electrons.

The ions Ca²⁺and PO₄³^-form a salt with the formula __________.

Barium reacts with a polyatomic ion to form a compound with the general formula Ba₃(X)₂. What would be the most likely formula for the compound formed between sodium and the polyatomic ion X?

Iron and chlorine form an ionic compound whose formula is FeCl₃. The name of this compound is __________.