Chemistry Journal

1. In this fourth unit of the class, we are at the midway point. You have been exposed to the first six chapters of the material for this course (See Below). Reflect on the concepts. What have you struggled with in these chapters, and what tools or ways have you used to overcome the obstacle to learn the material? Are you still struggling with a concept with which you need help? Share these answers and any other questions you have.

· Chapter 1: Introduction: Matter, Energy, and Measurement

· Chapter 2: Atoms, Molecules, and Ions

· Chapter 3: Chemical Reactions and Reaction Stoichiometry

· Chapter 4: Reactions in Aqueous Solution

· Chapter 21: Nuclear Chemistry

· Chapter 5: Thermochemistry

Your journal entry must be at least 200 words in length. No references or citations are necessary.

2. On average there are 62 different types of metal that go into the production of modern smartphones. Most of these metals are mined from third world countries and some with very limited supplies. What are your thoughts on our reliance on these metals, their source, and consequences to both the environment from mining and the prospect of depleting the world’s reserves?

Your journal entry must be at least 200 words in length. No references or citations are necessary.