SQatoms,waterB130 F07

SQatoms,waterB130 F07 - 8 Which type of molecule would...

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Bio 130 Study Questions: Atoms, water and its properties 1. What three subatomic particles make up an atom? The number of ___________ per nucleus determines which element it is. 2. What is an ion? What is an isotope? 3. What elements are necessary in large quantities in living organisms? Name 4. 4. What is the difference between an atom and a molecule? 5. Name and describe 3 types of chemical bonds. Rank them for relative amounts of energy per bond. a. b. c. 6. Water is a polar molecule. Explain what this statement means, using a diagram. 7. How does water’s polarity make it a good solvent?
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Unformatted text preview: 8. Which type of molecule would readily dissolve in water, hydrophilic or hydrophobic? 9. Why is it important that water can dissolve many biological molecules? 10. Does the surrounding environment get warmer or colder when water evaporates? How is this connected to perspiration? 9. What property of water is related to question 10 above? Describe the chemical bonds and how they are responsible for this property. 11. Define pH and explain what an acid is and what a base is. 12. Why is pH important to organisms? 13. What does a buffer do? How is this important to living organisms?...
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