Quiz Answer Key and Fun Facts
1. There are four allotropes of carbon. One is famous for its hardness. In this form of carbon, each carbon bonds with four others. What is this allotrope commonly known as?
2. Isotopes of carbon are used to determine when a living thing died. The ratio of what two isotopes are used in carbon dating?
3. Thin "whiskers" of carbon are imbedded in an epoxy to produce a light-weight material used in sporting equipment and in aerospace applications. What is the term for this combination of materials?
4. The name carbon comes from the Latin word carbo. What does carbo mean?
5. Another allotrope of carbon has a structure composed of sheets of covalently-bonded carbon, held together with weaker bonds. What is this very common form of carbon called?
6. There is more than one oxidation state for carbon. Which is not a possible one of them?
7. How abundant, by mass, is carbon in the universe?
8. What is the branch of chemistry that is concerned with the combination of carbon with hydrogen, oxygen, and nitrogen?
9. Another form of carbon is amorphous carbon. What is a common name for this form of carbon?
10. A fourth allotrope of carbon was discovered in 1985 following work done at the University of Sussex and at Rice University. This form of pure carbon was first found as hollow balls. What are these tiny balls called because of their resemblance to a geodesic dome?
Source: Author drbabe
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