Topics
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Lecture Video
In this lecture, we complete the discussion of the periodic table and start to consider the types of bonds that are formed between elements. Chemist Kateryna Kozyrytska tells us about why the concept of electronegativity is important in the design of antibiotics.
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Lecture Notes
Clicker Questions
Lecture 9 Clicker Questions (PDF)
Textbook Reading
| TOPICS | 5th EDITION | 4th EDITION |
|---|---|---|
| Ionic Bonds | Sections 2.1–2.3 | Sections 2.1–2.3 |
| Covalent Bonds | Sections 2.14–2.16 | Sections 2.14–2.16 |
| Lewis Structures | Section 2.5–2.6 | Section 2.5–2.6 |
Related Behind the Scenes at MIT Videos
Applying the Special Properties of Halogens in Drug Design
Bacteria can develop resistance to antibiotics, creating a need for current and future scientists to develop new types on antibiotics. Kateryna Kozyrytska discusses her research on proteins that catalyze a carbon-chlorine bond-forming reaction, and she describes how taking advantage of chlorine’s electronegativity may lead to new medications to fight bacteria and the other “bugs” that make us sick.
Kateryna Kozyrytska’s Personal Story
Kateryna Kozyrytska, a female biochemist born in Ukraine, describes how as a scientist she doesn’t have to choose between career and home-life like some of her peers back home, that there are examples, even at MIT, of women who have both.
Problems and Solutions
Acknowledgement
“Dogs Teaching Chemistry — Chemical Bonds” courtesy of Lauren Girard. Used with permission.