1.1 What is Chemistry?

3.2. Unit Conversions, Error, and Uncertainty http://www.ck12.org Percent Uncertainty To express the uncertainty in a measuremen ...

http://www.ck12.org Chapter 3. Measurement Which of the following sets of estimates would bemostprecise? If a student reported a ...

3.2. Unit Conversions, Error, and Uncertainty http://www.ck12.org 23.8 students, as there is no such thing as 8 tenths of a stud ...

http://www.ck12.org Chapter 3. Measurement temperature (25°C). The densities of some common materials are listed in theTable3.5. ...

3.2. Unit Conversions, Error, and Uncertainty http://www.ck12.org FIGURE 3.7 Displacement of water by irregular solid. scale is ...

http://www.ck12.org Chapter 3. Measurement FIGURE 3.8 Lesson Summary Accuracy describes how close an estimate is to a known sta ...

3.2. Unit Conversions, Error, and Uncertainty http://www.ck12.org Density is typically reported in terms of grams/mL (g/mL) or ...

http://www.ck12.org Chapter 3. Measurement Complete the following calculation and report the answer with the correct number of ...

3.3. References http://www.ck12.org 3.3 References Zachary Wilson and Laura Guerin. CK-12 Foundation. CC BY-NC 3.0 Courtesy of ...

http://www.ck12.org Chapter 4. Atomic Structure CHAPTER 4 Atomic Structure Chapter Outline 4.1 Evolution of the Atomic Model 4.2 ...

4.1. Evolution of the Atomic Model http://www.ck12.org 4.1 Evolution of the Atomic Model Lesson Objectives Describe the develop ...

http://www.ck12.org Chapter 4. Atomic Structure they have recognized that some matter is not visible, such as the air that we br ...

4.1. Evolution of the Atomic Model http://www.ck12.org FIGURE 4.2 Democritus mass, no matter the amount. Based off of this idea, ...

http://www.ck12.org Chapter 4. Atomic Structure in the case of gases). Chemical compounds always contain the same proportion of ...

4.1. Evolution of the Atomic Model http://www.ck12.org Lesson Review Questions Compare and contrast the continuous theory of ma ...

http://www.ck12.org Chapter 4. Atomic Structure 4.2 Structure of the Atom Lesson Objectives Describe the properties of cathode ...

4.2. Structure of the Atom http://www.ck12.org Discovery of Cathode Rays In 1877, William Crookes (1832-1919) was studying how e ...

http://www.ck12.org Chapter 4. Atomic Structure FIGURE 4.5 Plum pudding model of the atom. The Charge of the Electron In 1909, R ...

4.2. Structure of the Atom http://www.ck12.org Using this information, Millikan calculated the charge of an electron to be 1.592 ...

http://www.ck12.org Chapter 4. Atomic Structure in Physics in 1903 for their work. Marie Curie later won a Nobel Prize in Chemis ...