There Are Three Major Isotopes of Silicon: Silicon-28, Silicon-29, and Silicon-30

question 30

Multiple Choice

There are three major isotopes of silicon: silicon-28, silicon-29, and silicon-30. Given the average atomic mass of silicon is 28.10 amu, estimate the percent abundance of the most abundant isotope of silicon.

• A)8%
• B)20%
• C)66%
• D)80%
• E)92%

---

Definitions:

Learn

The process of acquiring knowledge, understanding, or skills through study, experience, or teaching.

Modelling

The process of creating representations of real-world processes, systems, or behaviors, often through mathematics, physical replicas, or computer simulations, to study and predict outcomes.

Learning Principle

A fundamental rule or idea in the field of education and psychology that guides how individuals acquire knowledge, skills, or behaviors.

Motivation

The process that initiates, guides, and maintains goal-oriented behaviors, driven by needs, desires, and aspirations.