Sedimentary rocks are the only rocks that can potentially contain
a.
fossils.
c.
fractures.
b.
minerals.
d.
faults.

Which of the following is a compound? a.carbon b.oxygen c.hydrogen d.water

Afamily is one another name for a group on the table of elements.

Which of the following statements is false regarding aromaticity? a. the compound must be cyclic b. the compound must be fully conjugated c. the compound must be planar d.the number of electrons in the pi system must satisfy the hückel 4n+2 rule e. the compound must have a neutral charge