C. Alloys

1

• C. Alloys
• 1. metals that are not pure elements
• 2. made by combining metals together or a
  metal and a nonmetal
• 3. have more useful properties than the
  elements that make them
• 4. Ex Tin and Copper together make
  Bronze harder, stronger, doesnt
  corrode
• 5. most common in steel alloys iron
• a. not very hard
• b. when carbon is added much stronger

2
D. Metalloids 1. have some but not all the
characteristics of metals 2. also
known as semiconductors (in computers, mp3
players, etc) 3. most common silicon a.
shiny not as strong as a metal b. breaks
when you hit it c. conducts electricity
not as well as other metals can be
controlled