CHEM 120 Exam #2 – 45 Exam-Based Practice Questions on Organic Chemistry, Bonding, Polyatomic Ions & Hydrocarbons – Chamberlain University (2025/2026)

This comprehensive resource features 45 expertly crafted practice questions and verified correct answers for CHEM 120 Exam #2, tailored to the 2025/2026 curriculum at Chamberlain University. The content spans a broad range of key chemistry topics, including non-bonding and bonding electron pairs, Lewis structures, Avogadro’s number and molarity, and an extensive section on polyatomic ions (such as nitrate, hydroxide, ammonium) as well as organic chemistry foundations. This includes detailed nomenclature and structural rules for alkanes, alkenes, alcohols, and functional groups like amino, nitro, ester, ether, and more. Additionally, the document explains concepts like polar vs nonpolar covalent bonds, ionic bonding, and how to systematically name hydrocarbons and identify their functional groups. Each answer is formatted for quick review, making this an ideal resource for exam preparation, concept reinforcement, and self-testing. This study set is valuable for students in pre-nursing, biology, pre-med, allied health, general chemistry, and organic chemistry courses. It is particularly beneficial for those enrolled in introductory undergraduate chemistry programs or anyone needing a structured review for exams or coursework involving chemical bonding and organic compounds. Keywords: non-bonding electrons, bonding electrons, Lewis structure rules, mole concept, Avogadro's number, molarity, polyatomic ions, organic chemistry, hydrocarbons, alkanes, alkenes, alcohols, functional groups, polar covalent bond, nonpolar covalent bond, ionic bond, hydrocarbon naming rules, CHEM 120, Chamberlain chemistry exam