Chemistry Review Questions

Click on the links below to find the answer to each of these questions.

1. Define the following (click on the word to view the answer):

ion

compound

atomic mass

atomic number

orbital

2. What is an element? Is water an element? Why or why not? [answer]

3. What is the smallest particle of an element that still retains the properties of the element? [answer]

4. Name the three most common elements found in living organisms. [answer]

5. Describe the structure of an atom.

6. Tell how the number of protons compares to the number of electrons in an atom. What is the charge on an atom? [answer]

7. What determines the chemical bonding characteristics of an atom? [answer]

8. What is an ionic bond? [answer]

9. What is a covalent bond? [answer]

10. Describe how water molecules interact with each other. [answer]

11. Why do ionic and polar compounds dissolve in water?

12. Why does water on a waxed car produce beads? Why can some insects walk on water?

13. What is a hydrogen ion?

14. What is pH? Wha tis an acid? What is a base?