WEST VIRGINIA UNIVERSITY CHEMISTRY 1 FINAL EXAM PRACTICE TEST – EXAM
PRACTICE QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) PLUS
RATIONALES 2026 Q&A | INSTANT DOWNLOAD PDF
*CORE DOMAINS*
• Atomic Structure and Periodicity
• Chemical Bonding and Molecular Geometry
• Stoichiometry and Chemical Reactions
• Thermochemistry
• Gases and Gas Laws
• Solutions and Concentration
• Acids, Bases, and pH
• Equilibrium Concepts
• Redox Reactions and Electrochemistry
*INTRODUCTION*
This comprehensive Chemistry 1 practice exam is designed to evaluate foundational and
applied understanding of general chemistry principles typically covered in a university-level
,introductory course. It assesses conceptual knowledge, quantitative problem-solving, and
real-world application of chemical principles. Questions include multiple-choice and
scenario-based problems that reflect laboratory, academic, and professional contexts.
Emphasis is placed on critical thinking, interpretation of chemical data, and the ability to
apply theoretical knowledge to practical situations encountered in chemistry-related fields.
SECTION ONE (QUESTIONS 1–50)
1. Which subatomic particle determines the atomic number of an element?
A. Neutron
B. Electron
C. Proton
D. Positron
🟢 Correct Answer: C. Proton
🔴 Explanation: The atomic number is defined by the number of protons in the nucleus.
2. What is the electron configuration of oxygen (atomic number 8)?
A. 1s2 2s2 2p4
,B. 1s2 2s2 2p6
C. 1s2 2s2 2p2
D. 1s2 2s1 2p5
🟢 Correct Answer: A. 1s2 2s2 2p4
🔴 Explanation: Oxygen has 8 electrons distributed as 2 in 1s, 2 in 2s, and 4 in 2p.
3. Which law states that volume is directly proportional to temperature at constant
pressure?
A. Boyle’s Law
B. Charles’s Law
C. Avogadro’s Law
D. Dalton’s Law
🟢 Correct Answer: B. Charles’s Law
🔴 Explanation: Charles’s Law relates volume and temperature directly.
4. What is the molar mass of CO₂?
A. 28 g/mol
B. 32 g/mol
, C. 44 g/mol
D. 12 g/mol
🟢 Correct Answer: C. 44 g/mol
🔴 Explanation: Carbon (12) + Oxygen (16×2 = 32) = 44 g/mol.
5. Which type of bond involves electron sharing?
A. Ionic
B. Metallic
C. Covalent
D. Hydrogen
🟢 Correct Answer: C. Covalent
🔴 Explanation: Covalent bonds form by sharing electrons between atoms.
6. How many moles are in 18 g of water (H₂O)?
A. 1 mole
B. 2 moles
C. 0.5 mole
D. 3 moles
PRACTICE QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) PLUS
RATIONALES 2026 Q&A | INSTANT DOWNLOAD PDF
*CORE DOMAINS*
• Atomic Structure and Periodicity
• Chemical Bonding and Molecular Geometry
• Stoichiometry and Chemical Reactions
• Thermochemistry
• Gases and Gas Laws
• Solutions and Concentration
• Acids, Bases, and pH
• Equilibrium Concepts
• Redox Reactions and Electrochemistry
*INTRODUCTION*
This comprehensive Chemistry 1 practice exam is designed to evaluate foundational and
applied understanding of general chemistry principles typically covered in a university-level
,introductory course. It assesses conceptual knowledge, quantitative problem-solving, and
real-world application of chemical principles. Questions include multiple-choice and
scenario-based problems that reflect laboratory, academic, and professional contexts.
Emphasis is placed on critical thinking, interpretation of chemical data, and the ability to
apply theoretical knowledge to practical situations encountered in chemistry-related fields.
SECTION ONE (QUESTIONS 1–50)
1. Which subatomic particle determines the atomic number of an element?
A. Neutron
B. Electron
C. Proton
D. Positron
🟢 Correct Answer: C. Proton
🔴 Explanation: The atomic number is defined by the number of protons in the nucleus.
2. What is the electron configuration of oxygen (atomic number 8)?
A. 1s2 2s2 2p4
,B. 1s2 2s2 2p6
C. 1s2 2s2 2p2
D. 1s2 2s1 2p5
🟢 Correct Answer: A. 1s2 2s2 2p4
🔴 Explanation: Oxygen has 8 electrons distributed as 2 in 1s, 2 in 2s, and 4 in 2p.
3. Which law states that volume is directly proportional to temperature at constant
pressure?
A. Boyle’s Law
B. Charles’s Law
C. Avogadro’s Law
D. Dalton’s Law
🟢 Correct Answer: B. Charles’s Law
🔴 Explanation: Charles’s Law relates volume and temperature directly.
4. What is the molar mass of CO₂?
A. 28 g/mol
B. 32 g/mol
, C. 44 g/mol
D. 12 g/mol
🟢 Correct Answer: C. 44 g/mol
🔴 Explanation: Carbon (12) + Oxygen (16×2 = 32) = 44 g/mol.
5. Which type of bond involves electron sharing?
A. Ionic
B. Metallic
C. Covalent
D. Hydrogen
🟢 Correct Answer: C. Covalent
🔴 Explanation: Covalent bonds form by sharing electrons between atoms.
6. How many moles are in 18 g of water (H₂O)?
A. 1 mole
B. 2 moles
C. 0.5 mole
D. 3 moles
