Question 1

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

Accepted Answer

A) Mg2O 
B) MgO 
C) MgO2 
D) Mg2O2 
E) Mg3O2 
A) Mg2O 
B) MgO 
C) MgO2 
D) Mg2O2 
E) Mg3O2

Question 2

What is the name of an alcohol derived from hexane?

Accepted Answer

The answer of What is the name of an alcohol...

Question 3

The atomic number indicates __________.

Accepted Answer

A) the number of neutrons in a nucleus 
B) the total number of neutrons and protons in a nucleus 
C) the number of protons or electrons in a neutral atom 
D) the number of atoms in 1 g of an element 
E) the number of different isotopes of an element 
A) the number of neutrons in a nucleus 
B) the total number of neutrons and protons in a nucleus 
C) the number of protons or electrons in a neutral atom 
D) the number of atoms in 1 g of an element 
E) the number of different isotopes of an element

Question 4

Of the three types of radioactivity characterized by Rutherford, which is/are not electrically charged?

Accepted Answer

A) α-rays 
B) α-rays, β-rays, and γ-rays 
C) γ-rays 
D) α-rays and β-rays 
E) α-rays and γ-rays 
A) α-rays 
B) α-rays, β-rays, and γ-rays 
C) γ-rays 
D) α-rays and β-rays 
E) α-rays and γ-rays

Question 5

A molecular formula always indicates __________.

Accepted Answer

A) how many of each atom are in a molecule 
B) the simplest whole-number ratio of different atoms in a compound 
C) which atoms are attached to which in a molecule 
D) the isotope of each element in a compound 
E) the geometry of a molecule 
A) how many of each atom are in a molecule 
B) the simplest whole-number ratio of different atoms in a compound 
C) which atoms are attached to which in a molecule 
D) the isotope of each element in a compound 
E) the geometry of a molecule

Question 6

Which pair of substances could be used to illustrate the law of multiple proportions?

Accepted Answer

A) SO2, H2SO4 
B) CO, CO2 
C) H2O, O2 
D) CH4, C6H12O6 
E) NaCl, KCl 
A) SO2, H2SO4 
B) CO, CO2 
C) H2O, O2 
D) CH4, C6H12O6 
E) NaCl, KCl

Question 7

What is the formula of the compound formed between strontium ions and nitrogen ions?

Accepted Answer

A) SrN 
B) Sr3N2 
C) Sr2N3 
D) SrN2 
E) SrN3 
A) SrN 
B) Sr3N2 
C) Sr2N3 
D) SrN2 
E) SrN3

Question 8

An atom of 14C contains __________ protons.

Accepted Answer

A) 6 
B) 20 
C) 8 
D) 10 
E) 14 
A) 6 
B) 20 
C) 8 
D) 10 
E) 14

Question 9

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 10

Which metal does not form cations of differing charges?

Accepted Answer

A) Na 
B) Cu 
C) Co 
D) Fe 
E) Sn 
A) Na 
B) Cu 
C) Co 
D) Fe 
E) Sn

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

What is the name of an alcohol derived from hexane?

The atomic number indicates __________.

Of the three types of radioactivity characterized by Rutherford, which is/are not electrically charged?

A molecular formula always indicates __________.

Which pair of substances could be used to illustrate the law of multiple proportions?

What is the formula of the compound formed between strontium ions and nitrogen ions?

An atom of ¹⁴C contains __________ protons.

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

Which metal does not form cations of differing charges?

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

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Exam 2: Atoms, Molecules, and Ions

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

What is the name of an alcohol derived from hexane?

The atomic number indicates __________.

Of the three types of radioactivity characterized by Rutherford, which is/are not electrically charged?

A molecular formula always indicates __________.

Which pair of substances could be used to illustrate the law of multiple proportions?

What is the formula of the compound formed between strontium ions and nitrogen ions?

An atom of 14C contains __________ protons.

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

Which metal does not form cations of differing charges?

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

An atom of ¹⁴C contains __________ protons.