and Critical Thinking, 8th Edition by Corwin,
9780134421377, Covering Chapters 1-20 |
Includes Rationales
What are the fundamental building blocks of all forms of substance? - answer-
Chemical elements
What are the three subatomic particles? - answer-Protons, neutrons, and
electrons
What are the four most abundant elements in the body? - answer-Oxygen,
carbon, hydrogen, and nitrogen
What is the pH scale used to measure? - answer-The concentration of
hydrogen ions in a solution
What are buffers and how do they help maintain pH? - answer-Buffers are
chemical compounds that temporarily bind or release hydrogen ions to
prevent rapid changes in pH