Part IV: “More Family Fun”
Go to http://chemicalelements.com/
15. Click on Metalloids to answer these questions.
a. Metalloids have properties of both __________ and __________.
b. Define semiconductor. _________________________________________
c. Name two metalloids that are semi-conductors. __________ and __________
d. This property makes metalloids useful in __________ and __________ .
16. Click on Nonmetals to answer these questions.
a. What are the group numbers? __________ through __________
b. List four characteristics of ALL nonmetals. __________________________
__________________________________________________________
c. What two states of matter do nonmetals exist in at room temperature?
_______ and _______
d. The nonmetals have no _______________ and do not _______________.
17. Click on Halogens to answer these questions.
a. What is the halogen group number? _____
b. Are halogens metals or nonmetals? __________
c. The term “halogen” means __________ and compounds containing halogens are called ________.
d. How many electrons are in their outer shell? __________
f. What states of matter do halogens exist in at room temperature? ___________
18. Click on Noble Gases and answer these questions.
a. What is the group number? _____
b. Why were these gases considered to be inert or stable? _________________
___________________________________________________________
Adapted from: http://www.seq.org/~ca_science/Engberg/PeriodicWebQuest.htm
