Build your practice set

Find exactly what you need to practice.

Search across chemistry topics, concepts, chapters, and questions.

Viewing Shared Question View All Feed

Basics Stoichiometry #Atomic Structure #Isotopes

1

Choose the best answer

Why is the atomic mass of chlorine about 35.5 u?

Verified Answer & Explanation⌄

Correct Answer: B) It exists as isotopes of Cl-35 and Cl-37

Concept Explanation

Chlorine occurs mainly as Cl-35 and Cl-37. Their weighted natural abundances give an average atomic mass of about 35.5 u.

Topic: StoichiometryPractice more Stoichiometry MCQs →