Chemistry

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

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 six most common elements found in living organisms. [answer]

5. Name the particles found in the nucleus of an atom. [answer]

6. Name the kind of charge that is found on each of the subatomic particles discussed in class. [answer]

7. Tell how the number of protons compares to the number of electrons in an atom. [answer]

8. What is the atomic mass of each of the subatomic particles discussed in class? [answer]

9. Be able to tell how many electrons an atom has if you are given the number of protons. [answer]

10. Be able to tell how many electrons are in each electron shell if you are given the total number of electrons. [answer]

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

12. What is an ionic bond? [answer]

13. What is the charge distribution on two ions after forming an ionic bond? [answer]

14. How does the number of electrons in an atom compare to the number of electrons in an ion of the same element? [answer]

15. Write the atomic symbol of a calcium ion. [answer]

16. What is a covalent bond? [answer]

17. Be able to tell the maximum number of covalent bonds an atom will form if you are given the number of electrons in its outer shell. [answer]

18. Be able to draw single, double, and triple covalent bonds by using a straight line to represent a bond. [answer]

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

20. Describe how water molecules interact with other polar molecules or ions. [answer]