Matching
_____ 1. allotrope a. globe-shaped allotrope of carbon
_____ 2. diamond b. has no predictable arrangement
_____ 3. graphite c. allotrope that exists in sheets or layers
_____ 4. amorphous carbon d. allotrope that has a tetrahedral bonding pattern
_____ 5. bone black e. a form of an element that has a different
bonding pattern or arrangement
_____ 6. fullerene f. produced from the decomposition of animal bones
_____ 7. carbon g. element that forms an unusually wide variety of
compounds
True or False.
________________________8. The octet rules states that atoms are most stable with a
full outer energy level of electrons.
________________________9. The carbon atom forms four ionic chemical bonds
________________________10. Carbon has 4 valence electrons.
________________________11. A carbon atom needs 6 additional electrons to satisfy
the octet rule.
________________________12. Carbon may be more important to life than any other
element.
________________________13. Carbon has an atomic number of 12 and a mass number of 6
________________________14. Graphite can be used as a lubricant.
Matching (which best describes each allotrope of carbon)
_____ 15. diamond a. found in pencil lead
_____ 16. graphite b. examples include charcoal and coke
_____ 17. amorphous carbon c. used on the tips of drills
_____ 18. fullerene d. may disable an enzyme found in the
virus that causes AIDS
The allotropes of carbon differ in their bonding arrangement. On lines provided, describe
the bonding arrangement for each allotrope listed below.
19. diamond______________________________________________________________
_____________________________________________________________________
20. graphite _______________________________________________________________
______________________________________________________________________
21. amorphous carbon_______________________________________________________
______________________________________________________________________
22. fullerene________________________________________________________________
______________________________________________________________________
Answer the following questions in the space provided.
23. Draw the three different bonds that can occur between 2 carbon atoms in a hydrocarbon.
24. What is the general formula for abn alkane?
25. What is the general formula for an alkene?
26. What is the general formula for an alkyne?