CK-12 Physical Science Concepts - For Middle School

3.55 Acid-Base Neutralization Reactions of Acids and Bases When an acid and a base react, the reaction is called aneutralization ...

http://www.ck12.org Chapter 3. Chemical Interactions Vocabulary neutralization reaction: Reaction of an acid and a base that pr ...

3.56. Radioactivity http://www.ck12.org 3.56 Radioactivity Define radioactivity and radiation. Give examples of radioactive ele ...

http://www.ck12.org Chapter 3. Chemical Interactions example, all elements with more than 83 protons—such as uranium, radium, an ...

3.56. Radioactivity http://www.ck12.org the French chemist Marie Curie. She went on to discover the radioactive elements poloniu ...

http://www.ck12.org Chapter 3. Chemical Interactions 3.57 Radioisotopes Describe radioisotopes, and give an example of a radioi ...

3.57. Radioisotopes http://www.ck12.org carbon-12, where 12 is the number of protons (6) plus neutrons (6). This gives carbon-12 ...

http://www.ck12.org Chapter 3. Chemical Interactions Summary Many elements have one or more isotopes that are radioactive. Thes ...

3.58 Dangers and Uses of Radiation 3.58 Dangers and Uses of Radiation Identify sources of environmental radiation. Describe the ...

http://www.ck12.org Chapter 3. Chemical Interactions destruction of blood cells, and loss of hair. To learn more about the harmf ...

3.58. Dangers and Uses of Radiation http://www.ck12.org Glucose containing radioactive elements can be given to patients. Cancer ...

http://www.ck12.org Chapter 3. Chemical Interactions MEDIA Click image to the left for use the URL below. URL: http://www.ck12.o ...

3.59 Radioactive Decay 3.59 Radioactive Decay Define radioactive decay. Describe three types of radioactive decay. Explain how ...

http://www.ck12.org Chapter 3. Chemical Interactions TABLE3.13:Types of Radioactive Decay Type Radiation Emitted Alpha decay alp ...

3.59. Radioactive Decay http://www.ck12.org Vocabulary radioactive decay: Process in which the unstable nucleus of a radioisoto ...

http://www.ck12.org Chapter 3. Chemical Interactions 3.60 Alpha Decay Explain how and why alpha decay occurs. Show how to write ...

3.60. Alpha Decay http://www.ck12.org FIGURE 3.110 chemical symbol for helium, the subscript 2 is the number of protons, and the ...

http://www.ck12.org Chapter 3. Chemical Interactions inhale the radioactive element polonium-210. It undergoes alpha decay in th ...

3.61 Beta Decay 3.61 Beta Decay Explain how and why beta decay occurs. Contrast beta-minus and beta-plus decay. Show how to wri ...

http://www.ck12.org Chapter 3. Chemical Interactions Q:Nuclei contain only protons and neutrons, so how can a nucleus emit an el ...