Regents Chemistry Exam August 2025 Question 29 29 The stability of an isotope is related to the ratio of which subatomic particles? (1) neutrons and positrons (2) neutrons and protons (3) protons and positrons (4) protons and electrons Solution: The stability of an isotope depends on its ratio of neutrons and protons. Choice 2 is the correct answer choice. LINKS: Regents Chemistry Guides and Solutions Chemistry Tutoring More Regents Chemistry Practice

Regents Chemistry Exam August 2025 Question 28 28 Which products are formed when an Arrhenius acid and an Arrhenius base react? (1) an alcohol and an ester (2) an alcohol and water (3) a salt and an ester (4) a salt and water Solution: When an Arrhenius acid and Arrhenius base react, they produce salt (ionic compound) and water. Choice 4 is the correct answer choice. LINKS: Regents Chemistry Guides and Solutions Chemistry Tutoring More Regents Chemistry Practice