Question 1

All atoms of a given element have the same ________.

Accepted Answer

A) mass 
B) number of protons 
C) number of neutrons 
D) number of electrons and neutrons 
E) density 
A) mass 
B) number of protons 
C) number of neutrons 
D) number of electrons and neutrons 
E) density

Question 2

Elements in Group 2A are known as the ________.

Accepted Answer

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

Question 3

Which group in the periodic table contains only nonmetals?

Accepted Answer

A) 1A 
B) 6A 
C) 2B 
D) 2A 
E) 8A 
A) 1A 
B) 6A 
C) 2B 
D) 2A 
E) 8A

Question 4

Oxygen is a ________ and nitrogen is a ________.

Accepted Answer

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

Question 5

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

Accepted Answer

A) Mg2F3 
B) MgF 
C) Mg2F 
D) Mg3F2 
E) MgF2 
A) Mg2F3 
B) MgF 
C) Mg2F 
D) Mg3F2 
E) MgF2

Question 6

How many electrons are there in one atom of 71Ga?

Accepted Answer

A) 40 
B) 70 
C) 71 
D) 31 
E) 13 
A) 40 
B) 70 
C) 71 
D) 31 
E) 13

Question 7

The correct name for HBrO4 is ________.

Accepted Answer

A) hydrobromic acid 
B) perbromic acid 
C) bromic acid 
D) bromous acid 
E) hydrobromous acid 
A) hydrobromic acid 
B) perbromic acid 
C) bromic acid 
D) bromous acid 
E) hydrobromous acid

Question 8

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 9

Isotopes are atoms that have the same ________ but differing ________.

Accepted Answer

A) atomic masses, charges 
B) mass numbers, atomic numbers 
C) atomic numbers, mass numbers 
D) charges, atomic masses 
E) mass numbers, charges 
A) atomic masses, charges 
B) mass numbers, atomic numbers 
C) atomic numbers, mass numbers 
D) charges, atomic masses 
E) mass numbers, charges

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

The correct name for MgF2 is ________.

Accepted Answer

A) monomagnesium difluoride 
B) magnesium difluoride 
C) manganese difluoride 
D) manganese bifluoride 
E) magnesium fluoride 
A) monomagnesium difluoride 
B) magnesium difluoride 
C) manganese difluoride 
D) manganese bifluoride 
E) magnesium fluoride

Question 12

________ only form ions with a 2+ charge.

Accepted Answer

A) Alkaline earth metals 
B) Halogens 
C) Chalcogens 
D) Alkali metals 
E) Transition metals 
A) Alkaline earth metals 
B) Halogens 
C) Chalcogens 
D) Alkali metals 
E) Transition metals

Question 13

What are the primary atoms found in alkanes?

Accepted Answer

A) carbon, hydrogen, and oxygen 
B) carbon and nitrogen 
C) oxygen and hydrogen 
D) carbon and oxygen 
E) carbon and hydrogen 
A) carbon, hydrogen, and oxygen 
B) carbon and nitrogen 
C) oxygen and hydrogen 
D) carbon and oxygen 
E) carbon and hydrogen

Question 14

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 15

The formula of a salt is XC   .The X-ion in this salt has 24 electrons.The metal X is ________.

Accepted Answer

A) Ni 
B) Fe 
C) Zn 
D) Cr 
E) Ti 
A) Ni 
B) Fe 
C) Zn 
D) Cr 
E) Ti

Question 16

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 17

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 18

Which species has 54 electrons?

Accepted Answer

A)    Xe+ 
B)    Te2- 
C)    Sn4+ 
D)    Cd 
E)    Xe2+ 
A)    Xe+ 
B)    Te2- 
C)    Sn4+ 
D)    Cd 
E)    Xe2+

Question 19

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

Question 20

The correct name for HNO3 is ________.

Accepted Answer

A) nitrous acid 
B) nitric acid 
C) hydronitroxide acid 
D) nitroxide acid 
E) nitrogen hydroxide 
A) nitrous acid 
B) nitric acid 
C) hydronitroxide acid 
D) nitroxide acid 
E) nitrogen hydroxide

Exam 2: Atoms, molecules, and Ions

All atoms of a given element have the same ________.

Elements in Group 2A are known as the ________.

Which group in the periodic table contains only nonmetals?

Oxygen is a ________ and nitrogen is a ________.

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

How many electrons are there in one atom of 71Ga?

The correct name for HBrO4 is ________.

Predict the charge of the most stable ion of bromine.

Isotopes are atoms that have the same ________ but differing ________.

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

The correct name for MgF2 is ________.

________ only form ions with a 2+ charge.

What are the primary atoms found in alkanes?

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

The formula of a salt is XC .The X-ion in this salt has 24 electrons.The metal X is ________.

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

The correct name for NaHCO3 is ________.

Which species has 54 electrons?

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

The correct name for HNO3 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

Oxygen is a and nitrogen is a .

How many electrons are there in one atom of 71_Ga?

The correct name for HBrO₄ is ________.

Isotopes are atoms that have the same but differing .

The correct name for MgF₂ is ________.

The correct name for NaHCO₃ is ________.

The correct name for HNO₃is ________.