TEAS 7 CHEMISTRY REVIEW EXAM PRACTICE | STUDY GUIDE | TESTBANK |
PRACTICE QUESTIONS & ANSWERS | EXAM PREPARATION | LATEST UPDATE
2026/2027 | ADVANCED REVIEW | COMPREHENSIVE PRACTICE EXAM
Always respond in plain text chat style (Do not use editable document, writing
block, or Canvas formatting).
TABLE OF CONTENTS
1. Atomic Structure and the Periodic Table
2. Chemical Bonding
3. Chemical Reactions and Balancing Equations
4. States of Matter
5. Solutions and Solubility
6. Acids, Bases, and pH
7. Stoichiometry
8. Thermochemistry
9. Organic Chemistry Fundamentals
10. Laboratory Safety and Scientific Reasoning
DESCRIPTION
This advanced TEAS 7 Chemistry Review Exam Practice resource is designed to help
learners strengthen their understanding of chemistry concepts commonly emphasized
in nursing entrance preparation. The practice questions reflect major subject areas
frequently covered in chemistry study guides, textbooks, and educational review
materials, including atomic structure, bonding, reactions, solutions, acids and bases,
stoichiometry, thermochemistry, and laboratory principles. Each question emphasizes
conceptual understanding, scientific reasoning, and application rather than simple
memorization. Detailed explanations accompany every answer to reinforce learning
and improve critical thinking. This material is intended solely as a study aid inspired
by commonly tested topics and educational objectives. It is not an actual TEAS
examination, nor does it reproduce any official examination content or proprietary
questions.
QUESTION 1.
,A student observes that magnesium reacts rapidly with hydrochloric acid, while
copper does not react under identical conditions. Which principle best explains this
difference?
A. Magnesium is above hydrogen in the activity series.
B. Copper forms stronger ionic bonds.
C. Copper has a lower atomic number.
D. Magnesium has more neutrons than copper.
🔴 Correct Answer: A. Magnesium is above hydrogen in the activity series.
🔵 Explanation: Metals located above hydrogen in the activity series readily displace
hydrogen from acids, producing hydrogen gas. Magnesium is sufficiently reactive to
do so, whereas copper is not. Atomic number, neutron count, and bond strength do
not explain the observed reaction.
QUESTION 2.
Which electron configuration corresponds to an element expected to be chemically
stable?
A. 2,8,7
B. 2,8,8
C. 2,7
D. 2,8,6
🔴 Correct Answer: B. 2,8,8
🔵 Explanation: A completely filled valence shell generally produces a chemically
stable atom with minimal tendency to gain or lose electrons. The remaining
configurations contain incomplete outer shells and are therefore more reactive.
QUESTION 3.
Which statement best distinguishes a chemical change from a physical change?
,A. Melting always requires more energy.
B. Chemical changes always involve color changes.
C. Chemical changes produce substances with different chemical properties.
D. Physical changes permanently alter molecular identity.
🔴 Correct Answer: C. Chemical changes produce substances with different
chemical properties.
🔵 Explanation: A chemical change results in the formation of new substances with
properties different from those of the original materials. Physical changes alter only
form or state while preserving chemical identity. Color changes alone do not
guarantee a chemical reaction.
QUESTION 4.
When balancing a chemical equation, which quantity must remain constant?
A. Number of molecules only
B. Number of compounds only
C. Total volume of reactants
D. Number of atoms of each element
🔴 Correct Answer: D. Number of atoms of each element
🔵 Explanation: Balanced equations satisfy the law of conservation of mass by
ensuring the same number of atoms of each element appear on both sides of the
equation. Molecules and volumes may differ depending on coefficients and reaction
conditions.
QUESTION 5.
Which bond is most likely formed through the transfer of electrons?
A. Covalent bond
B. Metallic bond
, C. Ionic bond
D. Hydrogen bond
🔴 Correct Answer: C. Ionic bond
🔵 Explanation: Ionic bonding occurs when one atom transfers electrons to another,
creating oppositely charged ions that attract each other. Covalent bonds involve
sharing electrons, metallic bonds involve delocalized electrons, and hydrogen bonds
are intermolecular attractions.
QUESTION 6.
A solution has a pH of 3. Compared with a solution of pH 5, it contains
approximately:
A. 2 times more hydrogen ions.
B. 10 times more hydrogen ions.
C. 100 times more hydrogen ions.
D. 1,000 times more hydrogen ions.
🔴 Correct Answer: C. 100 times more hydrogen ions.
🔵 Explanation: Each decrease of one pH unit represents a tenfold increase in
hydrogen ion concentration. A difference of two pH units corresponds to 10², or 100
times greater hydrogen ion concentration.
QUESTION 7.
Which factor generally increases the rate of a chemical reaction?
A. Lower temperature
B. Smaller surface area
C. Increased concentration of reactants
D. Reduced frequency of molecular collisions
🔴 Correct Answer: C. Increased concentration of reactants
PRACTICE QUESTIONS & ANSWERS | EXAM PREPARATION | LATEST UPDATE
2026/2027 | ADVANCED REVIEW | COMPREHENSIVE PRACTICE EXAM
Always respond in plain text chat style (Do not use editable document, writing
block, or Canvas formatting).
TABLE OF CONTENTS
1. Atomic Structure and the Periodic Table
2. Chemical Bonding
3. Chemical Reactions and Balancing Equations
4. States of Matter
5. Solutions and Solubility
6. Acids, Bases, and pH
7. Stoichiometry
8. Thermochemistry
9. Organic Chemistry Fundamentals
10. Laboratory Safety and Scientific Reasoning
DESCRIPTION
This advanced TEAS 7 Chemistry Review Exam Practice resource is designed to help
learners strengthen their understanding of chemistry concepts commonly emphasized
in nursing entrance preparation. The practice questions reflect major subject areas
frequently covered in chemistry study guides, textbooks, and educational review
materials, including atomic structure, bonding, reactions, solutions, acids and bases,
stoichiometry, thermochemistry, and laboratory principles. Each question emphasizes
conceptual understanding, scientific reasoning, and application rather than simple
memorization. Detailed explanations accompany every answer to reinforce learning
and improve critical thinking. This material is intended solely as a study aid inspired
by commonly tested topics and educational objectives. It is not an actual TEAS
examination, nor does it reproduce any official examination content or proprietary
questions.
QUESTION 1.
,A student observes that magnesium reacts rapidly with hydrochloric acid, while
copper does not react under identical conditions. Which principle best explains this
difference?
A. Magnesium is above hydrogen in the activity series.
B. Copper forms stronger ionic bonds.
C. Copper has a lower atomic number.
D. Magnesium has more neutrons than copper.
🔴 Correct Answer: A. Magnesium is above hydrogen in the activity series.
🔵 Explanation: Metals located above hydrogen in the activity series readily displace
hydrogen from acids, producing hydrogen gas. Magnesium is sufficiently reactive to
do so, whereas copper is not. Atomic number, neutron count, and bond strength do
not explain the observed reaction.
QUESTION 2.
Which electron configuration corresponds to an element expected to be chemically
stable?
A. 2,8,7
B. 2,8,8
C. 2,7
D. 2,8,6
🔴 Correct Answer: B. 2,8,8
🔵 Explanation: A completely filled valence shell generally produces a chemically
stable atom with minimal tendency to gain or lose electrons. The remaining
configurations contain incomplete outer shells and are therefore more reactive.
QUESTION 3.
Which statement best distinguishes a chemical change from a physical change?
,A. Melting always requires more energy.
B. Chemical changes always involve color changes.
C. Chemical changes produce substances with different chemical properties.
D. Physical changes permanently alter molecular identity.
🔴 Correct Answer: C. Chemical changes produce substances with different
chemical properties.
🔵 Explanation: A chemical change results in the formation of new substances with
properties different from those of the original materials. Physical changes alter only
form or state while preserving chemical identity. Color changes alone do not
guarantee a chemical reaction.
QUESTION 4.
When balancing a chemical equation, which quantity must remain constant?
A. Number of molecules only
B. Number of compounds only
C. Total volume of reactants
D. Number of atoms of each element
🔴 Correct Answer: D. Number of atoms of each element
🔵 Explanation: Balanced equations satisfy the law of conservation of mass by
ensuring the same number of atoms of each element appear on both sides of the
equation. Molecules and volumes may differ depending on coefficients and reaction
conditions.
QUESTION 5.
Which bond is most likely formed through the transfer of electrons?
A. Covalent bond
B. Metallic bond
, C. Ionic bond
D. Hydrogen bond
🔴 Correct Answer: C. Ionic bond
🔵 Explanation: Ionic bonding occurs when one atom transfers electrons to another,
creating oppositely charged ions that attract each other. Covalent bonds involve
sharing electrons, metallic bonds involve delocalized electrons, and hydrogen bonds
are intermolecular attractions.
QUESTION 6.
A solution has a pH of 3. Compared with a solution of pH 5, it contains
approximately:
A. 2 times more hydrogen ions.
B. 10 times more hydrogen ions.
C. 100 times more hydrogen ions.
D. 1,000 times more hydrogen ions.
🔴 Correct Answer: C. 100 times more hydrogen ions.
🔵 Explanation: Each decrease of one pH unit represents a tenfold increase in
hydrogen ion concentration. A difference of two pH units corresponds to 10², or 100
times greater hydrogen ion concentration.
QUESTION 7.
Which factor generally increases the rate of a chemical reaction?
A. Lower temperature
B. Smaller surface area
C. Increased concentration of reactants
D. Reduced frequency of molecular collisions
🔴 Correct Answer: C. Increased concentration of reactants
