2SDS pg. 204 #7-13
7. An alloy is a solid combination of
atoms made up of two or more metals.
8. Two alloys I use regularly are Cutlery
steel for utensils that I use to eat and Carat gold which is in a lot of the
jewelry that I own.
9. Carbon is a nonmetal that is a part
of both steel and stainless steel.
10. Chromium- platinum, also known as
Cr3Pt, is a sturdy alloy that creates the basis of many razor blade edges.
11. Elements that act as
semi-conductors are commonly known as metalloids. They lay in between metals
and nonmetals, and they exemplify characteristics of both metals and nonmetals.
12. Three elements frequently used
for doping semiconductors are phosphorus, arsenic, and gallium.
13. The primary use of the products of semi conductor
technology is for letting computers process digital information; many
semi-conductor devices have integrated circuits that are used in commuters and
other electronic devices, as well.
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