Question 1

Complete the following chart, in order from left to right $\begin{array}{|c|c|c|c|c|}
\hline \text { Isotope } & \text { Mass Number } & \text { Protons } & \text { Neutrons } & \text { Electrons } \
\hline & & 40 & 57 & 40 \
\hline
\end{array}$

Accepted Answer

A)  (97Zr), 97 
B)  (40Zr), 57 
C)  (57La), 40 
D)  (97Bk), 80 
E)  (80Hg), 97 
A)  (97Zr), 97 
B)  (40Zr), 57 
C)  (57La), 40 
D)  (97Bk), 80 
E)  (80Hg), 97

Question 2

Name the compound SO3.

Accepted Answer

A)  sulfur trioxide 
B)  sulfate 
C)  sulfite 
D)  sulfur trioxygen 
E)  sulfur oxide 
A)  sulfur trioxide 
B)  sulfate 
C)  sulfite 
D)  sulfur trioxygen 
E)  sulfur oxide

Question 3

Which one of the following elements is most likely to form a 2- ion

Accepted Answer

A)  scandium 
B)  selenium 
C)  silicon 
D)  strontium 
E)  iodine 
A)  scandium 
B)  selenium 
C)  silicon 
D)  strontium 
E)  iodine

Question 4

The formula for sodium sulfide is

Accepted Answer

A)  NaS. 
B)  K2S. 
C)  NaS2. 
D)  Na2S. 
E)  SeS. 
A)  NaS. 
B)  K2S. 
C)  NaS2. 
D)  Na2S. 
E)  SeS.

Question 5

What type of compound is HBrO2

Accepted Answer

A)  Ionic 
B)  Binary 
C)  Acid 
D)  Base 
E)  Hydrate 
A)  Ionic 
B)  Binary 
C)  Acid 
D)  Base 
E)  Hydrate

Question 6

The correct formula for dibromine heptoxide is Br2O6.

Accepted Answer

A) True 
 B)False

Question 7

The formula for calcium phosphate is

Accepted Answer

A)  CaPO4. 
B)  Ca3(PO4)2. 
C)  Ca2(PO4)3. 
D)  Ca3P2. 
E)  Ca3(PO3)2. 
A)  CaPO4. 
B)  Ca3(PO4)2. 
C)  Ca2(PO4)3. 
D)  Ca3P2. 
E)  Ca3(PO3)2.

Question 8

Which, if any, defines the term molecule

Accepted Answer

A)  A molecule represents the simplest ratio of atoms in a compound. 
B)  A molecule is a unit that cannot be broken down by normal forces. 
C)  A molecule is an aggregate of at least two atoms in a definite arrangement held together by chemical forces. 
D)  A molecule must be composed of three atoms 
E)  None of the above 
A)  A molecule represents the simplest ratio of atoms in a compound. 
B)  A molecule is a unit that cannot be broken down by normal forces. 
C)  A molecule is an aggregate of at least two atoms in a definite arrangement held together by chemical forces. 
D)  A molecule must be composed of three atoms 
E)  None of the above

Question 9

Which one of the following is an ion

Accepted Answer

A)  B3+ 
B)  NaCl 
C)  He 
D)  14C 
E)  none of the above 
A)  B3+ 
B)  NaCl 
C)  He 
D)  14C 
E)  none of the above

Question 10

What is the correct formula of ammonia

Accepted Answer

A)  NH2 
B)  NH 
C)  NH3 
D)  AH3 
E)  N2H4 
A)  NH2 
B)  NH 
C)  NH3 
D)  AH3 
E)  N2H4

Question 11

Complete the following chart, in order from left to right $\begin{array}{|c|l|l|l|l|}
\hline \text { Isotope } & \text { Mass Number } & \text { Protons } & \text { Neutrons } & \text { Electrons } \
\hline{ }^{14} \mathrm{~N} & & & & \
\hline
\end{array}$

Accepted Answer

A)  14, 7, 7, 7 
B)  14, 7, 14, 7 
C)  7, 7, 7, 7 
D)  7, 14, 7, 7 
E)  Some other answer 
A)  14, 7, 7, 7 
B)  14, 7, 14, 7 
C)  7, 7, 7, 7 
D)  7, 14, 7, 7 
E)  Some other answer

Question 12

Name the following binary compound: NaH.

Accepted Answer

A)  Sodium hydroxide 
B)  Nitrogen hydroxide 
C)  Sodium hydrogen 
D)  Sodium hydride 
E)  Sodium halide 
A)  Sodium hydroxide 
B)  Nitrogen hydroxide 
C)  Sodium hydrogen 
D)  Sodium hydride 
E)  Sodium halide

Question 13

Name the compound CrO3.

Accepted Answer

A)  chromium oxide 
B)  chromium(II) oxide 
C)  chromium(III) trioxide 
D)  chromium(III) oxide 
E)  chromium(VI) oxide 
A)  chromium oxide 
B)  chromium(II) oxide 
C)  chromium(III) trioxide 
D)  chromium(III) oxide 
E)  chromium(VI) oxide

Question 14

What type of compound is NH3

Accepted Answer

A)  Ionic 
B)  Ternary 
C)  Acid 
D)  Base 
E)  Hydrate 
A)  Ionic 
B)  Ternary 
C)  Acid 
D)  Base 
E)  Hydrate

Question 15

Which of the following elements is chemically similar to magnesium

Accepted Answer

A)  sulfur 
B)  calcium 
C)  iron 
D)  nickel 
E)  potassium 
A)  sulfur 
B)  calcium 
C)  iron 
D)  nickel 
E)  potassium

Question 16

The correct formula for octane is C8H18.

Accepted Answer

A) True 
 B)False

Question 17

The correct name of the compound CH3CH2OH is ethanol.

Accepted Answer

A) True 
 B)False

Question 18

Which listing provides the three common types of radiation that can be produced by the decay of radioactive substances like uranium

Accepted Answer

A)  Alpha, beta, pi rays 
B)  Alpha, beta, gamma rays 
C)  Delta, beta, gamma rays 
D)  Delta, beta, pi rays 
E)  Alpha, sigma, pi rays 
A)  Alpha, beta, pi rays 
B)  Alpha, beta, gamma rays 
C)  Delta, beta, gamma rays 
D)  Delta, beta, pi rays 
E)  Alpha, sigma, pi rays

Question 19

Give the formula of magnesium nitrate.

Accepted Answer

A)  MnNO3 
B)  Mg(NO3)2 
C)  Mg(NO2)2 
D)  Mn(NO3)2 
E)  MgNO 
A)  MnNO3 
B)  Mg(NO3)2 
C)  Mg(NO2)2 
D)  Mn(NO3)2 
E)  MgNO

Question 20

How many protons are there in one atom of magnesium

Accepted Answer

A)  24 
B)  11 
C)  10 
D)  12 
E)  None of the above are correct 
A)  24 
B)  11 
C)  10 
D)  12 
E)  None of the above are correct

Exam 2: Atoms Molecules and Ions

Complete the following chart, in order from left to right Isotope Mass Number Protons Neutrons Electrons 40 57 40

Name the compound SO3.

Which one of the following elements is most likely to form a 2- ion

The formula for sodium sulfide is

What type of compound is HBrO2

The correct formula for dibromine heptoxide is Br2O6.

The formula for calcium phosphate is

Which, if any, defines the term molecule

Which one of the following is an ion

What is the correct formula of ammonia

Complete the following chart, in order from left to right Isotope Mass Number Protons Neutrons Electrons

Name the following binary compound: NaH.

Name the compound CrO3.

What type of compound is NH3

Which of the following elements is chemically similar to magnesium

The correct formula for octane is C8H18.

The correct name of the compound CH3CH2OH is ethanol.

Which listing provides the three common types of radiation that can be produced by the decay of radioactive substances like uranium

Give the formula of magnesium nitrate.

How many protons are there in one atom of magnesium

Chemistry: The Study of Change

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solutions

Gases

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Periodic Relationships Among the Elements

Chemical Bonding I: Basic Concepts

Chemical Bonding II: Molecular Geometry and Hybridization of Atomic

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

Nuclear Chemistry

Chemistry in the Atmosphere

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metals Chemistry and Coordination Compounds

Organic Chemistry

Synthetic and Natural Organic Polymers

Filters

Name the compound SO₃.

What type of compound is HBrO₂

The correct formula for dibromine heptoxide is Br₂O₆.

Name the compound CrO₃.

What type of compound is NH₃

The correct formula for octane is C₈H₁₈.

The correct name of the compound CH₃CH₂OH is ethanol.