This document provides information about metals, semimetals, and nonmetals. It discusses their locations on the periodic table, properties like conductivity and melting point, and examples of elements in each category. Students are instructed to study for an upcoming quiz and provided practice questions to review the material, including an exit slip quiz.

1. Launch
 Grab your binder and immediately take a seat
 Silently study for the quiz

2. What are metals,
semimetals, and
nonmetals?
Mr. Heffner
9/21/09

3. What are semimetals?
 Where are they located?

4. What are semimetals?
 What are their properties?
 Intermediate conductivity
 Electricity
 Intermediate melting point
 Temperature
 Ice  water @ 0°C

5. What are semimetals?
 What are a few examples?
 Boron (B)
 Silicon (Si)

6. What are metals?
 Where are they located?

7. What are metals?
 What are their properties?
 High conductivity
 High melting point

8. What are metals?
 What are a few examples?
 Iron (Fe)
 Gold (Au)
 Aluminum (Al)

9. What are nonmetals?
 Where are they located?

10. What are nonmetals?
 What are their properties?
 Low conductivity
 Low melting point

11. What are nonmetals?
 What are a few examples?
 Hydrogen (H)
 Oxygen (O)
 Neon (Ne)

12. Practice Questions
1. Elements can be organized into what three categories?
2. What type of elements border the heavy stepped line?
3. Where are the metals found? The nonmetals?
4. Besides location, how are metals different from
nonmetals?
5. Label the following as metal, semimetal, or nonmetal: C,
Na, Al, Sb, H, Li, Br, Ba, Si, Hg, & Xe.
6. Would you expect Na to have a low melting point? Why?

13. Exit Slip
1. The periodic table is composed of
a. two regions: metals and nonmetals.
b. two regions: periods and groups.
c. three regions: metals, semimetals, and nonmetals.
d. three regions: metals, periods, and groups.
2. The region to the right of the heavy stepped line
incorporates which of the following?
a. metals
b. nonmetals
c. metals and nonmetals
d. all of the semimetals

14. Exit Slip
3. Magnesium (Mg) is a
a. metal and has a high melting point
b. metal and has a low melting point
c. nonmetal and has a high melting point
d. nonmetal and has a low melting point

15. Exit Slip
4. Boron is classified as a ________, meaning it has
a(n) ________ conductivity.
a. semimetal; intermediate
b. semimetal; greater
c. metal; greater
d. nonmetal; lesser

16. Exit Slip
5. What do the elements vandium (V), chromium (Cr),
gold (Ag), and silver (Au) have in common?
a. They are non-reactive (inert).
b. They are nonmetals.
c. They have the similar properties for melting point
and conductivity.
d. They have the same number of neutrons.

17. Homework
 Finish practice questions
 Start reviewing for Monday’s Unit #2 Exam!