Matching Enter the letter of the box whose contents best match the description.

8

8

8

a

b

с

e

f

v a mixture of molecules

atoms of a pure elementa metal

molecules of an element

va solid compound

a mixture of elements

a. box a

b. box e

c. box b

d. box f

e. box d

f. box c

QUESTION 10

In the analysis of hair and fiber samples, which does a compound comparison microscope allow for that a conventional compound microscope does not? a. simultaneous observation b. polarization c. fluorescence d. higher magnification

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.

Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution